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WO2022245187A1 - Scanner 3d et système de balayage le comprenant - Google Patents

Scanner 3d et système de balayage le comprenant Download PDF

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Publication number
WO2022245187A1
WO2022245187A1 PCT/KR2022/007262 KR2022007262W WO2022245187A1 WO 2022245187 A1 WO2022245187 A1 WO 2022245187A1 KR 2022007262 W KR2022007262 W KR 2022007262W WO 2022245187 A1 WO2022245187 A1 WO 2022245187A1
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WO
WIPO (PCT)
Prior art keywords
joystick
scanner
scan
input
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2022/007262
Other languages
English (en)
Korean (ko)
Inventor
박현수
심흥식
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DOF Inc
Original Assignee
DOF Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DOF Inc filed Critical DOF Inc
Publication of WO2022245187A1 publication Critical patent/WO2022245187A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00039—Operational features of endoscopes provided with input arrangements for the user
    • A61B1/00042—Operational features of endoscopes provided with input arrangements for the user for mechanical operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00045—Display arrangement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00055—Operational features of endoscopes provided with output arrangements for alerting the user
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to a scanner, and more particularly to a grip-type 3D scanner. More specifically, the present invention relates to a scanner and a scanning system capable of scanning the inside of an oral cavity including teeth of a subject.
  • a 3D scanner is a device that scans an object in a 3D form, and an intraoral scanner is provided as a small 3D scanner.
  • An intraoral scanner may be referred to as a scanner for generating a series of 2D images and ultimately scanning the inside of the oral cavity of a subject in 3D.
  • the oral scanner may be referred to as a device for modeling the shape and structure of internal structures of the oral cavity, such as teeth and gums, in three dimensions.
  • the intraoral scanner is a type of grip-type 3D scanner, and is a handheld scanner in which a user holds the scanner with a hand and scans the oral cavity as an object.
  • an optical image must be acquired through an intraoral scanner, patterned light or structural light is irradiated on the surface of the tooth, etc., and the image is taken with an optical camera to obtain an optical image. do.
  • the optical image is transferred to a PC and 3D modeling is performed on the PC.
  • the PC may be provided in the form of a pad and may include a touch display. That is, 3D modeling can be displayed. Accordingly, it may be referred to as a scan system including a scanner that directly scans an object and a PC that receives scan data and performs 3D modeling through data processing. Of course, the entire scanning system can also be referred to as a scanner.
  • a projector is used to irradiate patterned light or structured light in an intraoral scanner.
  • a DLP digital light processing, digital optical technology
  • DLP adopts a digital micromirror device (DMD), and the DMD chip is a chip in which numerous microscopic mirrors are placed on the surface. Since one mirror corresponds to one pixel in the DMD chip, the DLP method can be said to be completely different from the conventional cathode ray tube method, liquid crystal method, and plasma method.
  • An intraoral scanner may be referred to as a device in which a user holds a main body and inserts a probe tip extended from the main body into the oral cavity of an examinee to scan the oral cavity. Therefore, in order to be easy to use, it is gradually being manufactured with a light weight and small size.
  • the camera unit processor that controls the camera unit requires effective heat dissipation compared to other electrical components.
  • the weight of the entire intraoral scanner is inevitably increased.
  • a conventional intraoral scanner may be referred to as a wired intraoral scanner that receives power from the outside through a wire.
  • data communication is also generally performed by wire. That is, when transmitting data for optical images to a PC, it is generally performed by wire rather than wirelessly.
  • the wired intraoral scanner is inconvenient to use due to the wire, and cumbersome work is required for data transmission and reception.
  • a probe tip In the case of a scanner that scans the inside of an oral cavity, a probe tip is inserted into the oral cavity of a subject to be scanned. Therefore, when the scan is completed, the probe tip must be separated from the oral scanner body for cleaning/sterilization.
  • the inside of the probe tip is hollow and has a shape in which the cross-sectional area becomes narrower towards the distal end.
  • a reflector that reflects light inside the end of the probe tip, and a window through which light passes is formed near the reflector. Therefore, saliva flows into the probe tip through the window and contaminates the window and the reflector.
  • the intraoral scanner acquires 2D images and performs 3D modeling on the PC using the acquired 2D images.
  • a plurality of predetermined scan steps must be performed.
  • the scan steps can be guided visually on the PC's display.
  • scan results or states in each step may be visually displayed on the display.
  • the user can scan while holding the scanner with one hand and monitor the scan steps through the display.
  • the display may be provided as a touch display. Accordingly, the user may perform scanning steps while touching the touch display with the other hand. That is, setting the scan step, moving or enlarging/reducing the 3D modeling, setting the environment, etc. must be performed while touching the user manually or by manipulating the mouse connected to the PC. Therefore, there arises a problem that it is not easy to manipulate the display of the PC while scanning or during scanning.
  • the present invention is basically aimed at solving the problems of conventional scanners.
  • the present invention is intended to provide a scanner that facilitates user input.
  • a scanner that can perform various inputs in the scanner itself.
  • it is intended to provide a scan system that is easy to use by performing a plurality of user inputs on a PC display through a joystick of a scanner.
  • it is intended to provide a scanner in which the joystick can be easily manipulated while effectively improving heat dissipation performance by optimally arranging the position of the joystick and the position of the air communication port.
  • it is intended to provide a scan system in which a user can easily grasp various manipulations through the joystick and corresponding commands by displaying a joystick area on a display of a PC.
  • it is intended to provide a scan system capable of easily manipulating a display of a PC through a joystick of a scanner even without a direct touch or mouse manipulation of the display.
  • a main body provided with a scan assembly including a projector unit and a camera unit, provided on the main body, and different inputs for a user's click input and a plurality of direction inputs a scanner having a joystick for generating a signal and a gyroscope provided on the body and providing posture information of the body;
  • a PC including a display, being communicatively connected to the scanner, visually guiding a plurality of scan steps through the display, and performing a user input through manipulation of the joystick and a user input through manipulation of the posture of the main body,
  • the display may display a joystick area for guiding a user input method through the joystick, and display a gyro pointer linked to posture manipulation of the main body.
  • the joystick area displays an icon of the joystick and visually displays a command corresponding to a click input of the joystick and an input in each direction.
  • commands corresponding to the joystick click input and each direction input are differently visually displayed in a scan mode in which scanning is performed and a view mode in which a 3D model is displayed after scanning.
  • the joystick icon is preferably displayed in a variable manner synchronously with the click input and each direction input.
  • the user can intuitively grasp that the joystick operation is currently being reflected.
  • an input display description area for explaining in detail a command corresponding to a click input of the joystick and an input in each direction on a corresponding screen is displayed on the upper part of the joystick area on the display.
  • the type and number of user inputs may vary in various modes such as scan mode, view mode, and other setting modes. Accordingly, it is possible to easily determine which input corresponds to a plurality of inputs through the joystick in each mode.
  • the main area for displaying the 3D modeling of the object to be scanned is displayed on the display.
  • the gyro pointer is preferably displayed in association with manipulation of the posture of the main body.
  • the displayed 3D modeling changes as both a user input by a position or movement of the gyro pointer and a specific user input through the joystick are performed in the view mode.
  • the variation of the 3D modeling preferably includes move, rotate, zoom in, and zoom out.
  • the 3D modeling may be moved in the position or movement direction of the gyro pointer.
  • the 3D modeling may be rotated in the position or moving direction of the gyro pointer.
  • a view mode end icon is displayed below the 3D modeling, and when the gyro pointer is positioned on the view mode end icon and a click input of the joystick is performed, the view mode ends.
  • the gyro icon corresponding to the current posture of the main body is preferably displayed on the end icon. That is, upon entering the view mode, the current posture of the main body matches the position of the end icon, and based on this, the change in posture of the main body and the movement of the gyro icon can be interlocked.
  • a scan step display area in which a plurality of scan steps are guided together by respective icons is displayed on the display, and it is possible to select movement from the current scan step to the previous scan step through manipulation of the joystick.
  • the main body including a scan assembly having a camera unit and a projector unit and a housing for accommodating the scan assembly; a probe tip having a reflector and provided at the front of the main body to provide a passage path for the light emitted from the projector unit and the light reflected from the object to be scanned; a joystick provided to be exposed to the outside of the main body and generating different input signals for a user's click input and a plurality of direction inputs; and a gyroscope provided inside the main body to provide movement information of the main body so as to be interlocked with movement of a gyro pointer displayed on a display of a PC connected to the main body by wire or wirelessly, on one side of the housing.
  • the joystick is provided, a communication port through which air flows in from the outside is provided on the lower surface of the housing, and a communication port through which air flows out is provided on the other side of the housing opposite to the joystick.
  • the housing and the probe tip are formed in an elliptical or track shape with a left and right width greater than a top and bottom width, and the joystick is provided on one side of the narrow housing.
  • a direction of light irradiation through the probe tip is the same as a vertical direction of the housing.
  • the housing includes a main housing and decoration panels provided on both sides of the main housing and mounted on the main housing, the joystick is provided on the decoration panel provided on one side, and the communication port through which the air is discharged is provided on the other side. It is preferable to be provided on the decoration panel provided.
  • the scan assembly may include a camera/projector module in which the camera unit and the projector unit form one module; And it is preferable to include a PCB having a plurality of sub-PCBs coupled to the camera/projector module.
  • the PCB includes a camera PCB, a projector PCB spaced apart from the camera PCB, and an intermediate PCB provided between the camera PCB and the projector PCB, a channel through which air flows is formed inside the PCB, and the joystick comprises the intermediate PCB. It is preferable to mount on the PCB.
  • the middle PCB ratio has a very small width compared to other PC ratios. Therefore, the area facing the housing is small, and it is possible to bring it closer to the housing. Therefore, the joystick can be easily mounted, and the joystick can be easily operated.
  • a fan for vertically introducing air into the channel is mounted on the projector PCB, and a camera controller facing the fan inside the channel is mounted on the camera PCB.
  • the camera/projector module may include a connector housing coupled to the camera unit and the projector unit, respectively, and exposed to the front of the main body and inserted into the probe tip.
  • the main body including a scan assembly having a camera unit and a projector unit and a housing for accommodating the scan assembly; a probe tip having a reflector and provided at the front of the main body to provide a passage path for the light emitted from the projector unit and the light reflected from the object to be scanned;
  • a 3D scanner including a joystick provided to be exposed to the outside of the main body and generating different input signals for a user's click input and a plurality of direction inputs may be provided.
  • the joystick may be an input unit capable of moving up, down, left, and right with a user's finger, particularly a thumb, and also capable of clicking. That is, one input means can generate five different input signals.
  • the joystick may be provided on one side of the housing, and an LED display may be provided on one side of the housing and a rear side of the joystick.
  • a communication port through which air flows in from the outside may be provided on a lower surface of the housing, and a communication port through which air flows out may be provided on the other side of the housing opposite to the LED display.
  • the housing includes a main housing and a decoration panel mounted on the main housing, and the joystick and the LED display are provided on the decoration panel.
  • the housing and the probe tip are formed in an elliptical or track shape with a horizontal width greater than a vertical width, and a light irradiation direction through the probe tip is the same as the vertical direction of the housing. Therefore, it is possible to easily scan the upper oral cavity and the lower oral cavity through the scanner while holding the main body in a state where the user's hand is horizontal to the ground. This is because it is more convenient to move the main body left and right while the user's hand is horizontal to the ground than to move the main body left and right while the user's hand is perpendicular to the ground.
  • a connector housing provided at the front of the main body and inserted into the probe tip and coupled to the probe tip, and the shape of the end of the probe tip coupled to the connector housing is an elliptical or * track shape that is symmetrical left and right and up and down. It is desirable to form It is preferable that the electric probe tip is provided so as to be normally coupled to the connector housing in both a normal position and a 180-degree rotational position.
  • the scan assembly may include a camera/projector module in which the camera unit and the projector unit form one module; And it is preferable to include a PCB having a plurality of sub-PCBs coupled to the camera/projector module.
  • the PCB includes a camera PCB, a projector PCB spaced apart from the camera PCB, and an intermediate PCB provided between the camera PCB and projector PCB, and a channel through which air flows is formed inside the PCB.
  • the joystick is mounted on the intermediate PCB. That is, it is preferable that the camera PCB and projector PCB ratio with a wide area correspond to the upper and lower surfaces of the main body, and the middle PC ratio with a narrow area correspond to the side surface of the main body with a narrow width.
  • a fan for vertically introducing air into the channel is mounted on the projector PCB, and a camera controller facing the fan inside the channel is mounted on the camera PCB. Therefore, it is possible to effectively dissipate heat from the camera controller by direct wind.
  • the camera/projector module may include a connector housing coupled to the camera unit and the projector unit, and exposed to the front of the main body and inserted into the probe tip.
  • the connector housing includes upper and lower surfaces that are parallel to each other and both side surfaces forming an angle corresponding to a triangulation angle, and the camera unit is inserted into and coupled to the connector housing in parallel with the upper and lower surfaces and one side of the connector housing, , It is preferable that the projector unit is inserted into and coupled to the connector housing in parallel with the upper surface, the lower surface and the other side surface of the connector housing.
  • the triangulation angle can be effectively fixed and maintained through the shape of the connector housing and the coupling method of the camera unit and the projector unit with the connector housing.
  • the camera unit and the projector unit are fixedly coupled at two upper and lower surfaces of the connector housing, respectively.
  • a module channel is formed between the camera unit and the projector unit, and an image sensor of the camera unit is provided in the module channel.
  • a scanner having a main body having a scan assembly and a joystick provided in the main body and generating different input signals for a user's click input and a plurality of direction inputs.
  • a PC including a display, being communicatively connected to the scanner, visually guiding a plurality of scanning steps through the display, and performing a user input through the joystick, wherein the display includes a user input method through the joystick.
  • a scan system characterized in that a joystick area for guiding may be displayed.
  • commands corresponding to the click input of the joystick and each direction input are visually displayed in the joystick area.
  • an input display explanation area for explaining in detail a command corresponding to a click input of the joystick and an input in each direction on a corresponding screen is displayed on the upper part of the joystick area on the display.
  • the input display description area is displayed differently according to a different screen.
  • a scan step display area in which a plurality of scan steps are guided together by respective icons is displayed on the display, and it is possible to select movement from the current scan step to the previous scan step through manipulation of the joystick.
  • a plurality of different input commands can be executed through a single joystick on the current screen.
  • the user can operate the joystick without confusion through the joystick area and/or the input display description area.
  • the scanner itself can provide a scanner that can perform various inputs.
  • a scan system that is easy to use by performing a plurality of user inputs on a PC display through a joystick of a scanner.
  • the joystick can be easily manipulated while effectively improving heat dissipation performance by optimally arranging the position of the joystick and the position of the air communication port.
  • a scan system capable of easily manipulating a display of a PC through a joystick of a scanner even without a direct touch or mouse manipulation.
  • FIG. 1 is a perspective view of a scanner according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the scanner shown in FIG. 1;
  • FIG. 3 shows an example of a scan assembly of a scanner according to the present embodiment
  • FIG. 4 shows the separation of the camera PCB from the scan assembly shown in FIG. 1;
  • FIG. 5 shows an example of a camera/projector module of a scanner according to this embodiment
  • FIG. 6 shows a state in which the probe tip and the auxiliary tip of the scanner according to the present embodiment are separated
  • Figure 7 shows the rear of the probe tip of Figure 6
  • FIG. 8 shows a cross section of the probe tip and the front body of the scanner according to the present embodiment
  • FIG. 10 shows a state in which the rear of the main body of the scanner and the battery cover are separated according to the present embodiment
  • FIG. 11 is a configuration diagram of a power supply device for a scanner according to the present embodiment.
  • FIG. 12 is a control block diagram of a scanner and a scan system according to the present embodiment.
  • FIG. 14 shows an example of a display screen of a PC in the scan system according to the present embodiment
  • 16 to 20 illustrate examples of changes in 3D modeling by interlocking a joystick input and a gyro pointer in the view mode of the scan system according to the present embodiment.
  • a scanner 1 according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2 .
  • the scanner 1 will be described on the premise of an oral scanner 1 for scanning the oral cavity. Therefore, the scanner in this embodiment is not limited to an intraoral scanner.
  • the scanner 1 may include a main body 10 and a probe tip 15 .
  • an auxiliary tip 18 accommodating the probe tip 15 may be included.
  • the main body 10 is provided so that the user can hold and operate it by hand, and various electrical components are provided inside.
  • the probe tip 15 is detachably provided at the front end of the body 10 to be inserted into the oral cavity of the subject. Light projected from the main body 10 is guided into the oral cavity of the subject through the probe tip 15 . Then, the reflected light inside the oral cavity is guided to the camera module of the main body 10 through the probe tip 15 .
  • the auxiliary tip 18 is provided to surround the probe tip 15 and is detachably provided from the probe tip 15 .
  • the auxiliary tip 18 may perform a function of preventing the probe tip 15 from being exposed in the oral cavity.
  • the auxiliary tip 180 is provided to cover all or most of the probe tip 15 to prevent contamination of the inside and outside of the probe tip 15 .
  • the scanner includes a digital light processing (DLP) unit or a projector unit provided to radiate structured light or patterned light to an object (for example, a tooth or gum in an oral cavity of an examinee). And, it may include a camera unit that generates an image from light incident from the test object.
  • DLP digital light processing
  • the projector unit and the camera unit may be referred to as examples of electric components that operate by receiving power. Details of the scan assembly including the projector unit and the camera unit will be described later.
  • Electrical components including the projector unit and the camera unit may be provided in the main body 10 . More specifically, it may be provided inside the main body 10 . Therefore, power may be supplied from the outside of the main body 10 (wired intraoral scanner) or a battery supplied with power may be built-in (wireless intraoral scanner).
  • a wire 2d is connected to the main body 10, and the wire may be connected to an external power source. Therefore, when using the intraoral scanner, since the wire must always be connected to an external power source, certain restrictions are imposed on the use range and handling.
  • the intraoral scanner according to the present embodiment may also be a wired intraoral scanner, but may be manufactured to be used in any one form as needed. That is, when the terminal 2 connected to the wire 2d is coupled to the main body, it can be used as a wired scanner, and when the terminal 2 is separated from the main body, it can be used as a wireless scanner. In other words, a dedicated wireless scanner and a dedicated wired scanner are not separately manufactured, and a single scanner can be used wirelessly or wired.
  • a battery in order to use it as a wireless scanner, a battery must be provided inside the main body 10. The battery needs to be separated from the body 10 for replacement or charging.
  • a battery cover 60 may be provided on the main body 10 to mount and separate the battery. Specifically, the battery cover 60 may be provided at the rear of the main body 10 . The battery cover 60 may be coupled to and separated from the main body.
  • the terminal 2 may be coupled to the main body for use as a wired scanner. The terminal 2 may be coupled to the main body 10 through the battery cover 60 . Therefore, according to this embodiment, the main body can be used as either a wireless scanner or a wired scanner as needed without changing the internal configuration.
  • the main body 10 may include housings 20 and 30 accommodating internal electric components.
  • a battery cover 60 may be provided to be detachably attached to the housings 20 and 30 .
  • the housings 20 and 30 may include a main housing 20 and an auxiliary housing 30 .
  • the main housing 20 and the auxiliary housing 30 may be combined to form the outer shape of the main body 10 . Since the auxiliary housing is located behind the main housing, it can be referred to as a rear housing.
  • the main housing 20 may form a part that the user holds by hand to use the scanner.
  • the main housing 20 is formed in a hollow shape, and the scan assembly 300 (see FIG. 3) may be inserted into the main housing 20 through the rear.
  • the main housing 20 and the rear housing 30 may be coupled. Through this, the scan assembly 300 can be accommodated inside the housings 20 and 30 .
  • An input unit is provided in the housings 20 and 30, and a user interface (UI) may be implemented through the input unit.
  • the input unit may be provided in the form of a button, and in this embodiment, the input unit may be provided in the form of a joystick (70). Also, the joystick 70 may be provided in the main housing 20 . Details of user input through the joystick 70 will be described later.
  • a display 71 for displaying whether power is connected or a battery charging state may be provided on the housings 20 and 30 .
  • the display 71 may be formed in the form of a plurality of slits, and LEDs may be provided in each of the slits.
  • An LED is provided inside the main body, and light emitted from the LED may be exposed to the outside through the slit. Accordingly, the number of LEDs is provided as much as the number of slits, and each LED may correspond to each slit.
  • the state of charge of the battery may be determined through the number of LEDs emitted. Of course, the current state of the scanner can be grasped through the color emitted or blinking.
  • a decoration panel 25 may be provided in the main housing 20 .
  • the decoration panel 25 is formed in a color different from that of the housings 20 and 30 to enhance aesthetics.
  • the housings 20 and 30 may be formed in bright colors and the decoration panel 25 may be formed in dark colors.
  • the decoration panel 25 may be provided side by side on the left and right sides of the main body 10 .
  • the decoration panel 25 may be provided to be fitted to the outside of the main housing 20 .
  • the joystick 70 and the display 71 are provided on the left decoration panel 25, and slits having the same shape as the display may be formed on the right decoration panel (not shown).
  • the slits of the right decoration panel may be formed as penetrating slits to allow air to flow between the inside and outside of the main body.
  • the right decoration panel may have the same color and shape as the left decoration panel 25, but the right decoration panel will not have an input unit such as a joystick.
  • the user may hold the scanner 1 with his right hand to perform a scan.
  • the joystick 70 can be operated with the thumb.
  • the scanner 1 may have a left and right width longer than a top and bottom height. That is, the cross section may have an elliptical or track shape.
  • an object may be scanned downward.
  • the scanner 1 according to the present embodiment has a left and right width longer than a top and bottom width, and can scan an object in a vertical direction of the left and right widths.
  • the cross section of the scanner body 10 and the cross section of the probe tip 15 may be formed symmetrically left and right and vertically symmetrical.
  • a cross-sectional shape in which the main body and the probe tip are coupled may be formed to be left-right symmetrical and up-and-down symmetrical.
  • This cross-section may be elliptical or track-shaped. Due to these shape characteristics, it is possible to rotate the probe tip 15 by 180 degrees and then couple it to the main body 10 . That is, in the scanner 1 shown in FIG.
  • the probe tip 15 and the auxiliary tip 18 may be separated from the main body, rotated 180 degrees, and then coupled to the main body 10 again.
  • the scanner 1 can be switched for left hand use.
  • a left-handed user can hold the main body 10 and operate the joystick 70 with the thumb of the left hand and scan an object downward.
  • both upper teeth and lower teeth are scanned.
  • the entire upper teeth are scanned.
  • the lower teeth and the upper teeth are occluded.
  • the scan order can be changed. Assuming that the position where the user holds the scanner body 10 is fixed, a right-handed user can easily scan the lower teeth based on the criterion shown in FIG. 1 .
  • the probe tip can be rotated by 180 degrees and coupled to the main body, the upper teeth can also be easily scanned. In other words, when the lower scan ends, only the coupling direction of the probe tip is rotated by 180 degrees, and then the upper scan can be easily performed.
  • the battery cover 60 is basically detachably provided on the main body 10 and may include a coupling part 50 and a cover housing 55 .
  • the coupling part 50 is a part coupled to the main body 10, particularly the rear housing 30, and the cover housing 55 may be referred to as a part shielding the rear of the coupling part 50.
  • the cover housing 55 forms the outer shape of the rearmost part of the main body 10 .
  • the battery cover 60 may perform a function of a passage or an outlet for electrically connecting the wire 2d to the inside of the main body 10 . Therefore, the cartridge cover 60 may be referred to as an outlet cover. Details on this will be described later.
  • a connector housing 40 for coupling with the probe tip 15 may be provided at the front of the main body 10 .
  • the probe tip 15 may be coupled to the connector housing 40 in a form of accommodating the connector housing 40 . That is, the probe tip 15 may be coupled to the main body 10 by being coupled to the connector housing 40 .
  • the probe tip 15 may be detachably molded to the housings 20 and 30 or the main housing 20 while accommodating the connector housing 40 .
  • the main body 10 of the scanner 1 is configured to be very easy to manufacture. After the internal electric components are fabricated as one assembly, the assembly is inserted into the housings 20 and 30 to be fixed so that the main body 10 can be assembled. Since the housings 20 and 30 form most of the main body, they may be referred to as main body housings, and may be coupled to each other or integrally formed housings.
  • the scan assembly 300 is assembled using the assembled camera/projector module 100, and the main body 10 is assembled using the assembled scan assembly 300.
  • the assembled scan assembly 300 is integrally inserted into and fixed to the housings 20 and 30, it can be said that assembly is very easy.
  • the camera/projector module 100 and a plurality of boards or PCBs are manufactured as a single scan assembly 300, inserted into the main housing 20, and then the rear housing 30 is formed. It can be coupled to the main housing 20. At this time, the scan assembly 300 may be mounted to the main housing 20 after being coupled to the connector housing 40 in advance.
  • the camera/projector module 100 may also include the connector housing 40 . That is, the camera/projector module 100 is formed by combining the camera unit 80 (see FIG. 5), the projector unit 90 (see FIG. 5) and the connector housing 40, and then combined with the PCB 200 to A scan assembly 300 may be formed.
  • the scan assembly 300 shown in FIG. 3 is inserted and mounted from the rear to the front of the main housing 20 . Then, the main housing 20 is combined with the rear housing 30 . Afterwards, the battery cover 60 may be combined with the rear housing 30 . At this time, at least a portion of the connector housing 40 of the scan assembly 300 is exposed in front of the main housing 20 .
  • the single assembly 300 may be configured in advance and then mounted to the main housing 20 .
  • the main housing and the rear housing may be coupled. Therefore, it can be said that manufacturing is very easy.
  • the scan assembly 300 may include the camera/projector module 100 and the PCB 200.
  • the PCB 200 is equipped with various electrical components, and preferably consists of a plurality of sub-PCBs. Specifically, it is preferable that the sub-PCBs are arranged to have a channel shape.
  • the PCB 200 may include a camera PCB 220 and a projector PCB 230 .
  • the camera PCB 220 may be arranged to face the projector PCB 230 at a predetermined interval.
  • An intermediate PCB 210 may be provided between the camera PCB 220 and the projector PCB 230 .
  • the intermediate PCB 210 may be located above the camera PCB 220 and the projector PCB 230 .
  • the PCB 200 may be provided to elongate along the longitudinal direction of the main body 10 .
  • the PCB 200 forms a channel 201 therein. That is, in a channel having a rectangular cross section, three sides may be blocked by the camera PCB 220, the projector PCB 230, and the intermediate PCB 210, respectively, and the PCBs may be arranged such that one side is open. Of course, one open side will be blocked by the housings 20, 30, especially the main housing 20.
  • the front and rear sides of the channel are open so that flowing air can be supplied. That is, it is preferable that the PC ratio is not provided at the front and rear of the channel.
  • the PCB 200 having the channel 201 forms a basic structure or frame of the scan assembly 300 .
  • the inside of the channel 201 forms a heat dissipation path that enables effective heat dissipation of electric components and a battery mounting space.
  • a camera/projector module 100 is provided in front of the PCB 200 .
  • the PCB 200 is combined with the camera/projector module 100 to form the scan assembly 300 . That is, the PCB 200 and the camera/projector module 100 are coupled to each other to form a basic frame of the scan assembly.
  • the camera unit 80 is located at the upper front of the PCB 200 and the projector unit 90 is located at the lower front of the PCB 200 .
  • the camera unit 80 and the projector unit 90 are preferably provided to be connected to the camera PCB 220 and the projector PCB 230 between the camera PCB 220 and the projector PCB 230, respectively.
  • At least a portion of the projector unit 90 is preferably coupled to the camera PCB 220 and the projector PCB 230 from both sides, respectively. Since the camera/projector module 100 is made of one module, it can be said that the camera unit 80 is also fixed to the PCB 200 as the projector unit 90 is fixed to the PCBs 220 and 230 from both sides. have. Here, the camera unit and the projector unit may be coupled and connected through the connector housing 40 to form one camera/projector module 100 .
  • a joystick 70 and a display 71 may be mounted on the intermediate PCB 210, and the joystick 70 and the display 71 are exposed to the outside of the main housing.
  • a scanner 1 that has a built-in battery and can be used wirelessly can be provided.
  • the main body 10 As the battery 160 is built in, it is not easy to design the main body 10 because a separate battery mounting space is required. That is, it is not easy to design and arrange the PCB.
  • the main body 10 of the scanner in which electric components are integrated may generate heat during use, effective heat dissipation is also required.
  • heat may be transferred to the probe tip 15 .
  • the overheated probe tip 15 may be inserted into the oral cavity of the scan subject. Therefore, it can be said that effective heat dissipation of the main body 10 is very important.
  • the auxiliary tip 18 surrounds the probe tip 15, the temperature of the auxiliary tip may be lower than that of the probe tip 15. Nevertheless, it can be said that effective heat dissipation is necessary.
  • FIG. 3 shows the scan assembly 300 provided with the entire PCB 200
  • FIG. 4 shows the scan assembly 300 with the camera PCB 220 separated.
  • the PCB 200 is provided with a camera PCB 220 and a projector PCB 230 having a channel 201 spaced apart from each other by a predetermined distance therein.
  • a fan 232 is provided in the camera PCB 220 or the projector PCB 230 .
  • the fan 232 passes through the PCB to allow air to flow. That is, air may pass through the PCB in which the fan is mounted in the vertical direction of the channel 201, and the air may flow along the longitudinal direction of the channel 201.
  • the fan 232 may be provided in the projector PCB 230 .
  • the fan 232 may be provided to introduce air into the channel from the outside. That is, when the fan 232 is driven, air from the outside of the channel 201 passes through the projector PCB 230, flows into the channel, flows in the front and rear of the channel 201, and then is discharged out of the channel. have.
  • a plurality of electric devices are mounted on the PCB 200, and in particular, these electric devices may be mounted inside the channel 201. Accordingly, electrical elements mounted in the inner space of the channel 201 can be easily dissipated by the air flowing by the driving of the fan 232 .
  • the camera controller 203 is preferably provided at a position facing the fan 232 . That is, the camera controller 203 is mounted on the camera PCB 220, and it is particularly preferable that the mounting position is the inside of the camera PCB 220, that is, inside the channel. In this case, as cold air outside the channel flows into the channel 201, the camera controller 203 is first dissipated. Therefore, heat dissipation can be performed very effectively.
  • a Wi-Fi module 206 may be provided behind the channel 201 . Communication is performed between the scanner body 10 and the PC. In the case of a wireless scanner, wireless communication may be performed through the Wi-Fi module 226 . Of course, even in the case of a wired scanner, communication may be performed wirelessly through a Wi-Fi module. Accordingly, heat dissipation of the Wi-Fi module 206 may also be required.
  • the Wi-Fi module 206 may be provided in the camera PCB 220 or the projector PCB 230. In particular, it is preferable to mount the PCB inside the channel so as to be located on the air flow path.
  • the PCB 200 includes an intermediate PCB 210 . Also, the operation of the joystick 70 and the operation of the display LED display 71 can be controlled through the intermediate PCB 210 . Also, a receptacle 162 may be provided behind the projector PCB 230 . Receptacle 162 may be provided to be coupled with the terminal (2).
  • terminals of the battery are electrically connected to the power PCB through the battery holders 140 and 150 .
  • the power PCB may be provided separately, and the intermediate PCB 210 may perform the function of the power PCB.
  • the projector PCB 230 may perform the power PCB function.
  • Batteries may generate heat during use. Specifically, the heat of the battery may be transferred to the surroundings through the side of the battery or through the battery holder. At this time, it is undesirable for heat to be transferred to the PCB or the surrounding electric field configuration.
  • battery holders 140 and 150 may be provided in the power PCB to support the front and rear of the battery, and to support the battery by separating it from the middle PCB.
  • the battery holders 140 and 150 include a first battery holder 140 and a second battery holder 150 and may correspond to a plus terminal and a minus terminal, respectively. That is, the first battery holder 140 may be provided to support the rear side of the battery, and the second battery holder 150 may be provided to support the front side of the battery.
  • a battery tube 161 may be provided between the first battery holder 140 and the second battery holder 150 .
  • the battery tube 161 may be referred to as a configuration for guiding insertion of the battery and accommodating the battery.
  • the battery tube is formed of an insulating and insulating material.
  • both ends of the battery tube 161 are seated on the tube supports formed in the first battery holder 140 and the second battery holder 150 to be fixed in a fit-fitting manner.
  • Heat may be transferred to the outside through both terminals of the battery as well as through the outer circumferential surface of the battery. At this time, due to the battery tube 161, it is possible to prevent the outer circumferential surface of the battery from directly contacting other peripheral components. Accordingly, transfer of heat from the battery to the outside by the battery tube can be minimized.
  • the battery may be formed in a cylindrical shape.
  • the battery tube 161 is formed in a cylindrical shape with an inner diameter greater than an outer diameter of the battery. Therefore, a space for separately mounting a battery is required in the PCB 200 . For this reason, there is a concern that the volume of the body 10 may increase.
  • At least a portion of the battery or battery tube 161 is inserted into the channel 201 formed in the PCB 200 to reduce the volume increase.
  • heat dissipation performance can be effectively improved.
  • the PCB 200 may be omitted from the battery or battery tube 161 at least partially located outside the channel 201 .
  • the camera PCB 220 and the projector PCB 230 may be formed with a PCB cutout 202 at the rear of the second holder 150 where the battery tube is positioned.
  • the PCB cutout 202 may be formed in both the camera PCB and the projector PCB.
  • An upper part and a front part of the battery tube 161 may be positioned between the camera PCB and the projector PCB at the upper part of the PCB cutout.
  • the second battery holder 160 is located inside the channel 201 or near the channel 201 . As shown in FIG. 3 , it can be seen that the second battery holder 160 is located near the fan 232 , particularly near the rear of the fan 232 . Therefore, the second battery holder 160 can be easily dissipated by the flow of air by the fan.
  • the first battery holder 140 since the first battery holder 140 is located behind the second battery holder 160, it may not be easy to dissipate heat by a fan. However, as will be described later, the heat dissipation of the first battery holder 140 can be performed by the structure of the battery cover 60 and heat transfer of the first battery holder 140 to the outside can be effectively blocked.
  • the fan 232 may be provided to face the communication portion 21 (see FIG. 2 ) of the housing 20 .
  • the communication part may be formed in the form of a plurality of slits.
  • the camera/projector module can be cooled, and in particular, the image sensor 82 (see FIG. 5) can be cooled.
  • the cooled air is discharged to the outside of the channel 201 and is discharged to the outside of the housing through the communication part of the decoration panel on the right.
  • the communication part of the right decoration panel may be formed to face the open surface of the channel 201 .
  • air is introduced into the body from the lower portion of the body 10 by the operation of a fan, and air cooled inside the body may be discharged through the right side of the body 10 .
  • the communication unit 21 is located on the opposite side of the user's palm holding the main body 10 . Therefore, the inflow of air is not hindered by the user's hand.
  • the user holds the body 10 so that the joystick 70 can be operated with a thumb. Considering the length of the thumb, the discharge of air through the communication port located on the opposite side of the display 25 is not hindered.
  • it is possible to provide a scanner capable of improving user convenience and improving heat dissipation performance by enabling smooth air flow.
  • the camera/projector module 100 may be provided as a single module. Specifically, a connector housing 40 connecting the camera unit 80 and the projector unit 90 to form one integrated module may be provided. Accordingly, the camera/projector module may include a camera unit 80 , a projector unit 90 and a connector housing 40 .
  • a triangulation angle which is an angle between an angle at which the projector unit 90 emits light through the connector housing 40 and an angle at which the camera unit 80 receives light, may be determined. That is, the triangulation angle between the projector unit 80 and the camera unit 90 can be accurately determined by using the connector housing 40 .
  • the triangulation angle must be set and maintained with great precision in order to ultimately implement accurate 3D modeling by acquiring clear optical images.
  • the triangulation angle may be slightly misaligned during the manufacturing process, assembly process, or use process.
  • the error of the triangulation angle may actually occur in three dimensions, it may be difficult to precisely correct this error.
  • the camera unit 80 and the projector unit 90 are inserted at one side of the connector housing 40, respectively, it can be mold-fitted with the connector housing 40.
  • the camera unit 80 includes a camera housing 80a in which an optical path is formed, and a front portion of the camera housing 80a may be inserted from the rear of the connector housing 40 .
  • the projector unit 90 includes a projector housing 90a in which an optical path is formed, and a front portion of the connector housing 40 may be inserted from the rear of the connector housing 40 .
  • the top, bottom and right sides of the camera housing 80a may be inserted into the right space of the connector housing 40 to be molded.
  • the top, bottom and left sides of the projector housing 90a may be inserted into and molded into the left space of the connector housing 40 . That is, it can be said that the camera housing 80a and the projector housing 90a are inserted into the connector housing 40 in a “V” shape.
  • the connector housing 40 may be formed in a trapezoidal shape, the width of which decreases from the rear to the front. Therefore, the triangulation angle can be accurately determined first through the shape of the connector housing 40 .
  • the upper and lower surfaces 40a of the connector housing 40 may be formed in parallel. Since the upper and lower surfaces may be formed symmetrically with each other, the same reference numerals may be assigned to the upper and lower surfaces.
  • the camera housing 80a and the projector housing 90a may be inserted and fixed parallel to the upper and lower surfaces 40a and 40a of the connector housing 40, respectively. This means that the triangulation angle is formed on the same plane and is maintained on the same plane.
  • the angle formed by the left and right surfaces 40b of the connector housing 40 may be the same as the triangulation angle.
  • the left side and the right side of the connector housing 40 may be assigned the same reference numerals.
  • the camera housing 80a may be inserted into the connector housing 40 parallel to the right side of the connector housing 40 and fixed thereto.
  • the projector housing 90a may be inserted into the connector housing 40 parallel to the left side of the connector housing 40 and fixed thereto. This means that the triangulation angle formed through the connector housing is formed and maintained the same as the triangulation angle formed by the camera unit 80 and the projector unit 90 .
  • Each barrel (not shown) is positioned in front of the camera housing 80a and the projector housing 90a inserted into the connector housing 40 .
  • An optical filter or a polarization unit 41 may be provided in front of the connector housing 40 .
  • the camera housing 80a and the projector housing 90a respectively inserted into the connector housing 40 may be coupled to the connector housing 40 through four coupling parts 81 and 91, respectively. These coupling parts can be said to be for firmly fixing and maintaining the triangulation angle formed by the shape of the connector housing 40, the camera housing 80a, and the projector housing 90a.
  • the connector housing 40 and the camera housing 80a may be coupled through coupling parts 81 at two upper and lower surfaces.
  • it may be coupled through fine screws or bolts.
  • the coupling location of the upper surface and the coupling location of the lower surface may be formed on a straight line with each other. Due to these coupling points and coupling positions, the set triangulation angle can be very firmly fixed and held at the same angle in the same plane.
  • An image sensor 82 may be mounted on the camera housing 80a. Specifically, the camera housing 80a may be mounted at a position facing the projector housing 90a.
  • the image sensor 82 is a component that generates a scanned image, and heat may be generated during the image generation process.
  • a mounting plate 83 for mounting the image sensor 82 may be provided on the camera housing 80a.
  • the mounting plate 83 may be formed in a rectangular shape and may be formed in a flat plate shape inclined with respect to the longitudinal direction of the main body 10 .
  • a module channel 101 communicating with the aforementioned channel 201 is formed between the camera housing 80a and the projector housing 90a. That is, an empty space is formed.
  • the mounting plate 83 may form one surface of the channel 101 .
  • the module channel 101 may be located in front of the channel 201 of the PCB 200. By driving the fan 232 , air may flow into the channel 101 and be discharged. Therefore, since the image sensor 82 forms one surface of the module channel 101, the image sensor 82 can dissipate heat very effectively.
  • the connector housing 40 may be configured to be inserted into the probe tip 15 when the probe tip 15 is coupled to the main body 10 . That is, the connector housing 40 may also be considered to be configured to be coupled with the probe tip 15 . At this time, the connector housing 40 and the probe tip 15 need to be precisely coupled at a very precise position. This is because it is desirable to implement accurate alignment between the probe tip 15 and the camera/projector module 100 . To this end, various configurations may be provided in the connector housing 40 and the probe tip 15 . This will be described later.
  • the probe tip 15 will be described in detail with reference to FIGS. 6 to 8 .
  • the auxiliary tip 18 will also be described in detail.
  • the probe tip 15 is formed in a shape similar to that of the auxiliary tip 18 and substantially the entirety of the probe tip 15 may be inserted into the auxiliary tip 18 . Accordingly, the volume of the probe tip 15 is smaller than that of the auxiliary tip 180 .
  • One end of the probe tip 15 is a portion coupled to the main body 10 and may be referred to as a portion into which the connector housing 40 is inserted.
  • a reflector 16 is provided inside the other end of the probe tip 15 .
  • the reflector may be provided to substantially reflect light at 90 degrees. That is, the light irradiated through the projector unit may pass through the inner space of the probe tip 15 and be reflected by the reflector 16 to be refracted by 90 degrees. The refracted light is irradiated to the outside of the probe tip 15 through the window 17 .
  • the window 17 may be formed in a rectangular shape as an open portion. Therefore, not only light but also foreign matter such as air or saliva can penetrate through the window 17 .
  • the probe tip 15 When the probe tip 15 is inserted into the oral cavity and scanned, the inside of the probe tip as well as the outside of the probe tip may be contaminated. Therefore, when the scan for a specific subject is finished, replacement of the probe tip and washing/sterilization are required. However, frequent replacement of probe tips and cleaning/sterilization are cumbersome. In particular, it is not easy to sterilize the inside of the probe tip, and there is a risk of damage to the reflector due to frequent washing/sterilization.
  • the probe tip may be formed of a plastic material rather than a stainless material. In this case, when the probe tip is directly exposed in the oral cavity, there is room for concern and antipathy of the scan subject about the cleanliness and sterilization state of the probe tip. .
  • an auxiliary tip 18 may be provided. That is, an auxiliary tip 18 may be provided to accommodate the probe tip 15 and prevent the inside and outside of the probe tip 15 from being exposed in the oral cavity of the subject.
  • the auxiliary tip 18 is preferably formed such that the probe tip 15 is inserted and molded therein. It is preferable that substantially the entirety of the front and back of the probe tip 15 is inserted into the auxiliary tip 18 . Combination of the auxiliary tip 180 and the probe tip 15 may be performed in front of the subject immediately before scanning the subject. And the auxiliary tip 180 can also explain that it is disposable to the subject. Therefore, it is possible to prevent the scan target's concern about the probe tip 15 in advance.
  • the coupling position of the probe tip 15 and the main body 10 and the coupling position of the probe tip 15 and the auxiliary tip 18 are important. That is, they must be coupled to each other in the correct position.
  • the probe tip 15 when the probe tip 15 is coupled to the main body, it is preferable to be coupled in an accurate position.
  • a reflector 16 is provided on the inside front of the probe tip 15 . Therefore, it can be said that the coupling of the probe tip 15 and the body 10 is important so that the angle between the reflector and the camera/projector module 100 is not misaligned. That is, it is preferable that both are combined to enable accurate alignment.
  • the rear end 15f of the probe tip 15 may be formed to have a track-shaped cross section.
  • the inner wall of the rear end 15f of the probe tip 15 preferably has a track-shaped cross section.
  • a track-shaped opening be formed at the rear end of the probe tip 15 . The main body 10 is inserted and coupled through these openings.
  • auxiliary tip 180 when the auxiliary tip 180 is coupled to the probe tip 15, it is preferable to be coupled in an accurate position.
  • An auxiliary tip window 18a corresponding to the window 17 of the probe tip 15 is formed in front of the auxiliary tip 18 . It is preferable that the window 17 of the probe tip and the auxiliary tip window 18a all come into contact with each other. Of course, the size of the auxiliary tip window 18a may be larger so that the auxiliary tip window 18a includes all of the windows 17 of the probe tip.
  • auxiliary tip 18 when the auxiliary tip 18 is combined with the probe tip 15, it can be seen that it is important that the auxiliary tip 18 is coupled at an accurate position. This is because, when the two are coupled at a misaligned position, a portion of the probe tip window 17 may be blocked by the auxiliary tip window 18a, and it may be difficult to secure a normal angle of view.
  • the probe tip 15 and the auxiliary tip 18 may have a thin thickness and may be formed in a hollow shape.
  • the auxiliary tip 18 is preferably provided as a one-time use that is discarded after one use without washing/sterilization. Therefore, it is preferable that the auxiliary tip 18 is formed of a synthetic resin material capable of maintaining its own shape under a small external force. However, the thickness of the auxiliary tip 18 is preferably smaller than the thickness of the probe tip 15.
  • the probe tip 15 is inserted into the auxiliary tip 18. That is, the probe tip 15 may be inserted into the auxiliary tip 18 in an interference fit form. Therefore, it may not occur that the auxiliary tip 18 is loosely moved or removed during scanning. In order to facilitate such insertion and fitting, it is preferable that the cross-sectional sizes of the auxiliary tip 18 and the probe tip 15 increase toward the rear.
  • the cross-sectional shape of the rear end 18f of the auxiliary tip 18 is the same as that of the rear end 15f of the probe tip 15 so that both are matched. That is, it is preferable that the entire rear end circumference of the auxiliary tip 18 is interviewed on the outer surface of the entire rear end circumference of the probe tip 15 . Through this, when both are combined, they can be automatically aligned in the correct position. Through this, the probe tip can be inserted into the rear end opening 18g of the auxiliary tip 18 in an accurate position. Similarly, the connector housing and the main body can be inserted into the rear end opening 15g of the probe tip 15 in an accurate position.
  • the window 17 of the probe tip 15 is open while the window 18a of the auxiliary tip is shielded. That is, it is preferable to allow light to pass through, but not to allow air and liquid to pass through.
  • a glass frame 18b may be formed around the window 18a of the auxiliary tip. The glass frame 18b may be formed to protrude upward by a predetermined length from the circumference of the window 18a of the auxiliary tip.
  • the auxiliary tip may be formed as a single body or body. That is, a glass frame may be formed as a part of a single body. In addition, the glass 19 may be coupled to the glass frame.
  • the glass frame 18b may have a rectangular shape.
  • the front side and both left and right sides of the glass frame 18b may extend in a continuous curved surface and then be formed in a recessed shape.
  • the rear side of the glass frame 18b may be formed in a protruding shape.
  • This glass frame 18b may be referred to as a frame having a predetermined height in a rectangular shape in the window 18a of the auxiliary tip.
  • a transparent glass 19 may be inserted and fixed into the glass frame 18b.
  • the height of the glass frame 18b may be equal to or greater than the thickness of the glass 19 .
  • the glass 19 may be formed to be fitted into the glass frame 18b. Also, it is preferable that the area of the glass 19 and the glass frame 18b is larger than the area of the window 18a of the auxiliary tip.
  • the glass 19 allows light to pass through but excludes contaminants from entering, so that a very hygienic and safe scanner can be provided.
  • the thickness of the glass 19 is preferably greater than the thickness of the auxiliary tip.
  • the thickness of the auxiliary tip may be very thin. If the auxiliary tip is made of a synthetic resin material, even if it is thin, the auxiliary tip in a separated state is not damaged during daily handling, but may be damaged by external force. Therefore, when an external force is applied to the glass 19 of the used auxiliary tip, the window portion of the auxiliary tip is damaged, so that the glass 19 can be easily separated from the auxiliary tip.
  • the position where the probe tip 15 is coupled to the main body 10, particularly the camera/projector module 100 is very important. It can be said that not only the cross-sectional shape in which the main body 10 and the probe tip 15 are molded, but also the inclination of the coupling is very important. That is, even if the probe tip 15 is coupled to the probe tip 15 at an accurate rotation angle, it may be incorrectly coupled with a vertical tilt deviation or a left and right tilt deviation.
  • a pair of guide ribs 15a may be provided on the left and right sides of the probe tip 15 . That is, it may be provided with two up and down on the left side and two up and down on the right side.
  • Each of the guide ribs 15a may be provided to come into contact with the left side or right side 40b of the connector housing 40 . That is, as the connector housing 40 is inserted into the probe tip 15, the left and right surfaces 15b of the connector housing may slide on the guide rib 15a. Accordingly, when the connector housing 40 is inserted, left-right inclination can be prevented.
  • protrusions 42 may be provided on the left and right sides of the front of the connector housing 40 . Two protrusions 42 may be formed, one on the upper left side and one on the lower right side. The protrusion 42 may be formed to protrude forward from the foremost front of the connector housing 40 .
  • a stopper 15e corresponding to the protrusion 42 may be provided inside the probe tip 15 .
  • the protrusion 42 and the stopper 15e may come into contact with each other or the protrusion 42 may be inserted into the stopper 15e. Therefore, the probe tip 15 can be coupled to the connector housing 40 without a horizontal tilt deviation by the protrusion 42 and the stopper 15e.
  • a pair of top and bottom stoppers 15b may be provided inside the probe tip 15 . That is, two on the left and right on the upper side and two on the left and right on the lower side may be provided.
  • a protrusion 43 corresponding to the stopper 15b may be provided on the connector housing 40 .
  • a plurality of the protrusions 43 may be provided, and each protrusion may correspond to each stopper 15b. When the probe tip 15 and the connector housing 40 are correctly coupled, the protrusion 43 may come into contact with the stopper 15b or the protrusion 43 may be inserted into the stopper 15b.
  • the probe tip 15 can be coupled to the connector housing 40 at an accurate position without vertical inclination by the protrusion 43 and the stopper 15b.
  • the scan assembly 100 in particular, the connector housing 40 is inserted from the rear of the main housing 20 and coupled to the main housing 20 so that a portion thereof is exposed from the front of the main housing 20 . Therefore, it is important to ensure that the scan assembly 100 and the main housing 20 are coupled in an accurate position.
  • a pair of stoppers 44 may be provided at the rear of the upper and lower surfaces of the connector housing 40 .
  • a pair of stoppers 44 may be provided on the left and right sides of the upper surface 40a and a pair on the left and right sides of the lower surface.
  • the configuration of the protrusion 43 shown in FIG. 5 and the stopper 15b shown in FIG. 7 may be replaced with other matching configurations.
  • the protrusion 43 may be omitted and the stopper 15b may be replaced with a guide rib. That is, guide ribs may be provided inside the probe tip 15 so as to come into contact with the upper and lower surfaces of the connector housing 40 one by one.
  • the guide ribs 15a shown in FIG. 7 are provided to contact both sides of the connector housing 40, respectively, and generate frictional force between them.
  • the protrusion 43 is also replaced with a guide rib and is provided to contact the upper and lower surfaces of the connector housing 40, respectively, so that frictional force can be generated between them.
  • the guide rib provides frictional force on the left, right, upper, and lower surfaces of the connector housing and performs an alignment function.
  • a more effective alignment function can be performed.
  • inclined surface 45 shown in FIG. 5 and the hook structures 15c and 15d shown in FIG. 7 may be replaced with other matching structures.
  • the inclined surface 45 may be replaced with a ball plunger.
  • the ball plunger is not shown, but since it is a general configuration, a detailed description thereof will be omitted.
  • a groove (not shown) may be formed inside the probe tip 15 to correspond to the ball plunger.
  • the probe tip 15 is coupled to the connector housing 40, the probe tip presses the ball. And, when the coupling is completed, the ball is inserted into the groove and the ball moves to its original position. Thus, an engaging force is generated between the ball and the groove.
  • two ball plungers are provided on the upper surface of the connector housing and two on the left and lower surfaces.
  • an auxiliary tip 18 may be further provided. After the probe tip 15 is first coupled to the connector housing 40 , the auxiliary tip 18 may be coupled to the probe tip 15 . Also, the auxiliary tip 18 may be separated from the probe tip 15 as needed. At this time, it is preferable that the probe tip 15 is not separated from the connector housing 40 and the coupling is maintained. That is, when the auxiliary tip 18 is separated from the probe tip 15 by applying force, the probe tip 15 is preferably not separated from the connector housing.
  • the auxiliary tip 18 is fit-coupled to the probe tip 15, and slipping between the auxiliary tip and the probe tip 15 during scanning should be prevented. Therefore, the coupling force between the probe tip 15 and the connector housing 40 must be greater than the auxiliary tip separation force separating the auxiliary tip from the probe tip.
  • the frictional force by the guide ribs 15a on the left and right sides of the probe tip 15 withstands the auxiliary tip separation force. Frictional force of the guide rib 15a is formed on the left and right sides of the probe tip. Therefore, it may be desirable to artificially provide such a frictional force to the top and bottom of the probe tip.
  • Hook ribs 15c and hook protrusions 15d may be formed above and below the probe tip 15 .
  • the hook rib 15c may be formed to have certain elasticity by cutting left and right portions of the probe tip 15 in the longitudinal direction. That is, one side of the hook rib is fixed and the other side of the free end may be formed in a cantilever shape.
  • the hook protrusion 15d is formed on the side of the free end of the hook rib and may protrude toward the inside of the probe tip 15, that is, toward the center.
  • Inclined surfaces 45 corresponding to the hook protrusions 15b may be provided on upper and lower surfaces of the connector housing 40 .
  • the inclined surface 45 may be formed in a shape that spreads toward the rear, that is, a shape that diverges.
  • the hook protrusion 15d comes into contact with the inclined surface 45.
  • the hook rib 15c is elastically deformed to the maximum, so that the frictional force between the hook protrusion 15d and the inclined surface 45 is maximized. That is, frictional force supporting the auxiliary tip separation force is generated not only on the left and right sides of the probe tip 15 but also on the upper and lower portions.
  • the probe tip 15 when the probe tip 15 is separated from the connector housing 40, separation may be difficult due to frictional forces.
  • the user may press the fixed end portion of the hook rib 15c.
  • the hook rib 15c is more elastically deformed so that the frictional force between the hook protrusion 15f and the inclined surface 45 can be released. Accordingly, the user can easily separate the probe tip 15 from the connector housing 45 by pulling the probe tip 15 while pressing both hook ribs.
  • the probe tip 15 may be separated from the connector housing 45 by pulling the probe tip 15 with a force greater than the auxiliary tip separation force without pressing the hook.
  • a battery hole 31 for mounting a battery is provided in the housings 20 and 30 of the main body, particularly the rear housing 30, and a first battery holder 140 may be provided inside the battery hole.
  • a battery insertion hole 145 may be formed in the first battery holder 140 . The battery may be inserted into the main body through the battery hole 31 and the battery insertion hole 145 .
  • the battery terminal 51 is electrically connected to the first battery holder 140 and the battery.
  • the battery terminal 51 may be formed to be connected to the positive electrode of the battery.
  • the battery terminal 51 After being inserted into the battery hole 31 , the battery terminal 51 may be provided so as to be engaged with the first battery holder 140 by rotation. For example, in the position and attitude shown in FIG. 10, after rotating the battery cup 60 counterclockwise at a predetermined angle (eg, around 90 degrees), the battery terminal 51 is connected to the battery hole 31 and It may be inserted into the first battery holder 140 . When rotated clockwise by a predetermined angle, the battery terminal 51 may be engaged with the first battery holder 140 . In FIG. 10, it can be said that the rear housing 30 and the battery cover 60 are separated and shown in a coupled state.
  • a predetermined angle eg, around 90 degrees
  • the battery cover 60 may include a coupling part 50 and a cover housing 55 .
  • the coupling part 50 is provided with a battery terminal 51 .
  • the battery terminal 51 may be formed of a conductive metal material for electrical connection.
  • the coupling part 50 may be formed of an insulating plastic material.
  • the coupling part 50 may have a track shape corresponding to the shape of the rear end of the rear housing 30 and the shape of the rear end of the battery cover 60 .
  • a terminal base 52 may be provided between the battery terminal 51 and the coupling part.
  • the terminal base 52 may be coupled to protrude from the front of the coupling part 50 . Coupling through fine bolts, etc. is possible. That is, the terminal base 52 and the battery terminal 51 may be a single component. That is, it can be formed as a single body.
  • the coupling part 50 may be coupled with the cover housing 55 .
  • the cover housing and the coupling part 50 can be coupled through fine bolts or the like.
  • a coupling boss 57 may be provided inside the cover housing.
  • a plurality of coupling bosses 57 may be provided.
  • the coupling part 50 is preferably inserted into the cover housing 55 and coupled thereto.
  • a heat dissipation space 56 may be formed inside the cover housing 55 . That is, since the inside of the cover housing 55 is formed as an empty space, heat transferred from the battery terminal 51 and the terminal base 52 can be effectively blocked from being transferred to the outside of the cover housing 55 .
  • a battery terminal 51 may be provided on one side of the coupling part 50 and a terminal opening 50a may be formed on the other side. Since the coupling part 50 has a track shape, the coupling part can be divided into a left circular area and a right circular area. A battery terminal 51 is provided in the right circular area and a terminal opening 50a is formed in the left circular area. Here, the terminal opening 50a communicates with the opening 35 of the rear housing and the opening 56 of the cover housing.
  • the terminal 2 penetrates the battery cover 60 and is inserted into the opening 35 of the rear housing so that electrical connection can be made inside the housing. And when using the scanner wirelessly, the terminal 2 can be separated.
  • the opening 35 may be referred to as a terminal hole. Accordingly, a battery hole into which a battery is inserted and a terminal hole through which a terminal is inserted may be positioned in the housing, particularly the rear housing 30 . And, it is preferable that the battery insertion direction and the terminal insertion direction are the same.
  • the battery cover 60 according to the present embodiment is provided for mounting and dismounting of the battery and at the same time being provided for mounting and dismounting of the terminal 2 .
  • the battery terminal 51 includes an insertion blade 53, and the insertion blade 53 may be formed in a track shape. That is, the insertion blade 53 may have two curved parts and two straight parts.
  • An insertion protrusion 54 may be provided on a straight portion of the insertion blade 53 .
  • the insertion protrusion 54 may protrude outward in a radial direction. If the outer edges of the insertion blade 54 are connected, it may have a single circular shape.
  • the insertion protrusion 54 may be formed to protrude more outward in a radial direction than a circular shape formed by the blade 54 .
  • the terminal base 52 is formed to have a predetermined thickness in a circular shape.
  • the diameter of the terminal base 52 is smaller than the diameter of the battery hole 31 . Accordingly, when the battery cover 60 and the rear housing 30 are coupled, the terminal base 52 may be inserted into the battery hole 31 .
  • the terminal base 52 and the battery hole 31 may form a rotational center of the battery cover 60 . This center of rotation is located on one side of the ellipse or track shape. Therefore, when force is applied in the other region, force for rotating the battery cover can be easily applied. That is, it is convenient because the battery cover can be rotated in the form of a lever.
  • the outer diameter of the circular shape formed through the blade 54 is preferably smaller than the inner diameter of the battery insertion hole 145 of the first battery holder.
  • the outer diameter of the circular shape connecting the outer edges of the insertion protrusion is larger than the inner diameter of the battery insertion hole 145 . Accordingly, the insertion protrusion avoidance groove 141 may be formed in the first battery holder 140 .
  • the two insertion protrusions 54 are formed at opposite positions to each other, and the two insertion protrusion avoidance grooves 141 may also be formed at positions opposite to each other in the battery insertion hole 145 .
  • the insertion protrusion 54 and the insertion blade 54 may be inserted into the battery insertion hole 145 .
  • the battery cover 50 may be rotated to a coupled position.
  • the insertion protrusion 54 and the insertion blade 54 rotate, and the first battery holder 140 is engaged inside the first battery holder 140 .
  • the insertion protrusion 54 and the insertion blade 54 are rotated in the circumferential direction at the length locking jaw 142 . Further, rotation of the insertion protrusion 54 and the insertion blade 54 is limited by the circumferential locking jaw 143 .
  • the insertion protrusion 54 and the insertion blade are spaced apart through the terminal base 53 and the rotation slot 53a. The insertion protrusion 54 and the insertion blade 54 are rotatable by the rotation slot 53a while being caught in the length locking jaw 142 .
  • the circumferential locking jaw 143 may limit rotation of the battery cover in a further closing direction in a closed state and further restrict rotation of the battery cover in a further opening direction in an open state.
  • the circumferential locking jaw 143 may be referred to as a configuration for limiting rotation of the battery cover between the two insertion blades 54 .
  • the insertion protrusion 54 and the insertion protrusion avoidance groove 141 may be regarded as configurations for determining the insertion position, insertion direction, and insertion posture of the battery cover 50 .
  • the battery cover 60 When the coupling between the battery cover 60 and the rear housing 30 is completed, the battery cover 60 needs to maintain the coupling under a certain force. That is, it is desirable that the coupled state be maintained. To this end, a bonding force maintaining means is required. In addition, in order to separate the battery cover 60, a force exceeding the coupling force needs to be applied to the battery cover 60.
  • a hook 33 and a hook groove 50b may be formed in the rear housing and the battery cover 50 .
  • the hook is deformed forward by pressing and can be inserted into the hook groove 50b. That is, as the battery cover 60 rotates in the coupling direction, the hook is deformed forward, and when the coupling is completed, the hook can be restored to the rear and inserted into the hook groove 50b. Therefore, the coupling between the battery cover 60 and the rear housing 30 can be maintained by the coupling force between the hook and the hook groove 50b.
  • the rear housing may have a protruding groove 32 and an elastic protrusion 50d may be formed on the battery cover 50 .
  • the elastic protrusion As the battery cover 60 rotates in the coupling direction, the elastic protrusion is elastically deformed and restored when coupling is completed. The restored elastic projection 50d may be inserted into the projection groove 32 . Therefore, the coupling between the battery cover 60 and the rear housing 30 can be maintained by the coupling force between the elastic protrusion 50d and the protrusion groove 32 .
  • these coupling holding elements may be formed at a position where the rear housing 30 and the battery cover 60 are surface-coupled. Therefore, the coupling holding elements are not exposed to the outside. In addition, a separate user operation is not required to maintain the coupling. That is, the coupling retaining components can perform their functions only by coupling the battery cover 60 to the rear housing 30 .
  • the scanner according to the present embodiment can be used as either a wired scanner or a wireless scanner as needed.
  • a scanner that can be used by wire even when a battery is installed may be provided.
  • a scanner that can be used by wire without a battery may be provided. In other words, according to the present embodiment, it can be used without conflict in power supply in a state where the battery is mounted and the terminal 2 is connected.
  • 11 shows a power supply configuration diagram or circuit diagram.
  • a mechanical or electrical battery reverse insertion prevention unit 160a may be provided.
  • the power supply 164 determines power priorities and supplies power of the determined priority to the projector unit 90 and the camera unit 80 . That is, the order of power used in the main body 10 is determined.
  • the power supply 164 is preferably provided to supply power through the terminal 2 in the first order.
  • a first priority determination unit 164a is provided. Whether or not power is supplied from the terminal may be monitored through the first priority determination unit.
  • the power supply 164 is preferably provided to supply power through the battery 160 as a secondary. To this end, a second priority determination unit 164b is provided. Whether or not power is supplied from the battery may be monitored through the second priority determination unit 164b or the front end of the boost circuit 163 .
  • the power supply device 164 cuts off power supply through the second priority determination unit 164b. That is, the electrical connection through which power can be supplied through the battery is disconnected. That is, the second priority determination unit 164b may perform a switching function, and when the power connection is confirmed through the first priority determination unit 164a, the electrical connection of the second priority determination unit 164b is disconnected. Therefore, even if a battery is inserted while power is being supplied to the terminal 2, power supply through the battery can be cut off.
  • the battery 160 When power is supplied only through the battery 160, it may be determined that power is not supplied through the first priority determining unit 164a. And, in this case, power may be supplied by default through the second priority determination unit 164b. In particular, the battery power voltage is monitored, and an alarm may be performed when the battery voltage is low. That is, an alarm will be generated for battery replacement or terminal connection.
  • the terminal 2 may be connected during power supply through the battery 160 . In this case, it may be determined that power supply occurs through the first priority determining unit 164a. When it is determined that power is supplied from the terminal 2, power supply through the second priority determination unit 164b is cut off, and power supply through the first priority determination unit 164a proceeds. That is, when power is applied from both sides, it can be said that using power from the battery takes precedence.
  • the power through the terminal 2 is preferentially used, and the terminal 2 can be disconnected. At this time, it is possible to detect terminal disconnection from the first priority determining unit 164a. In addition, battery power may be applied through the second priority determination unit 164b.
  • the power supply device 164 When power is applied through the power supply device 164, power is supplied to the projector unit 90 and similarly to the camera unit 80. Power is supplied to the camera unit 80 through a switch 165 . That is, the switch 165 operates according to the camera drive signal, and power can be supplied to the camera unit 80 whenever the switch is turned on.
  • a terminal power connection for wired use and a battery power connection for wireless use may be used.
  • collisions between power connections can be prevented in advance. Therefore, it is possible to quickly change the power supply method as needed even during use.
  • the battery 160 may be charged. That is, in a state in which external power is supplied through the adapter and the battery is mounted, the battery may be charged using the external power. To this end, a battery charging circuit 166 may be provided.
  • the battery charging circuit 166 is provided between the step-down circuit 162 and the battery 160, and can selectively charge the battery. As described above, battery power is not used in a state where external power is available. Therefore, at this time, the battery may be charged through an external power source.
  • power of the scanner is used the most during scanning. That is, the most power is consumed when the projector unit and the camera unit are driven, that is, in scan mode, and very little power is consumed in standby mode or in view mode monitoring 3D modeling.
  • scan modes may also be divided into scanning in progress and scan pausing. Therefore, it can be said that power consumption is the greatest during scan progress.
  • the battery can be charged only under the condition that the power consumption of the external power source is low. That is, the battery charging condition may not be a scan mode or may not be scanning.
  • the main body 10 of the scanner is a component for a user to hold by hand and scan an object.
  • the scanner may include a main controller 202 for basic control of the scanner, a camera controller 203 for control of the camera unit, and a projector controller 205 for control of the projector unit. Control command transmission and reception and feedback may be performed between these controllers through communication.
  • the image sensor 82 Under the control of the camera controller 203, the image sensor 82 generates an image.
  • the scanner may include a communication unit 206 for wired/wireless communication with the PC. It may include any one or more of a Wi-Fi module or a Bluetooth module for wireless communication. Image data generated through the communication unit 206 may be transmitted to the PC 11 . An input for a user interface (UI) may be transferred to the PC 11 . In particular, an input through the joystick 70 as an example of an input unit may be transmitted to the PC 11 .
  • UI user interface
  • joystick 70 click input and direction input in four directions may be possible. Accordingly, different user inputs can be performed through one joystick 70 .
  • the joystick 70 input more diverse user interfaces can be implemented through posture input using the gyroscope 72 as will be described later.
  • the LED display 71 is located near the joystick 70 and can display whether or not power is applied and the amount of battery charge.
  • Various user interfaces can be implemented by changing LED color or changing the number of scales.
  • a gyroscope 72 may be provided inside the main body.
  • the gyroscope may be provided to provide position information of the main body 10 .
  • a gyroscope can provide rotational displacement information about three axes. Gyroscopes can also provide angular velocity information. Accordingly, information on the posture of the scanner body and the direction in which the scanner body is facing may be grasped through the gyroscope.
  • Position information of the main body with respect to the gyroscope may be converted into a gyro pointer on the display 12 of the PC 11 . That is, when the user inputs an input for changing the posture of the body by manipulating the body, the gyro pointer may move on the display in synchronization therewith.
  • the gyroscope 72 may be used as a user interface together with the joystick 70 as will be described later.
  • the power control device 164 may broadly include all of the components shown in FIG. 11 . That is, except for power supply components (terminal and battery) and components using power (projector unit and camera unit, etc.), all components between them may be broadly referred to as the power control device 164 .
  • the power control device 164 may be narrowly referred to as a configuration that selectively supplies power through a battery and a terminal. In particular, it may be referred to as a device that supplies power by prioritizing supply of terminal power over supply of battery power.
  • the PC 11 may include a display 12 , a controller 13 and a communication unit 14 . That is, the PC may be a desktop computer or a pad-type computer.
  • the PC 11 loaded with the scanner program is operated under the control of the controller 13, and communicates with the scanner through the communication unit 14.
  • the images transmitted from the scanner are 3D modeled and these results are visually displayed on the display 12 .
  • 3D modeling processes may be sequentially displayed on the display according to the scan progress.
  • the user can determine whether the scanning process normally proceeds through the display 12 while performing scanning through the scanner.
  • scanning steps guided through the display 12 may be sequentially performed.
  • the scanner according to this embodiment may be used as one of a wireless communication and wired power scanner, a wireless communication and wireless power scanner, a wired communication and wired power scanner, and a wired communication and wireless power scanner.
  • a battery may be installed inside the main body, and a wiring assembly 400 may be provided.
  • a separate terminal hole 56 may be provided in the main body 10 to perform wired power connection and wired communication connection, respectively, as needed. However, in this embodiment, it is preferable that one terminal hole is provided.
  • a wired communication line and a wired power line may be connected to one terminal. That is, the wire 2d in which the wired communication line and the wired power line are combined may be connected to the main body 10 in a single connection.
  • the wiring assembly 400 may include a wired supply unit 410 (PSM, Power Supply Unit).
  • the wired supply device may be provided to perform wired communication as well as supply wired power.
  • a wired supply device may provide a passage through which a wired Ethernet signal flows.
  • the wired supply device may provide a passage through which power provided through the adapter 430 is supplied to the main body.
  • the wired supply device may have a port for receiving power from the adapter 430 and a port for receiving a wired communication signal. Both ports can be distinguished. In addition, both ports may be provided so that the communication line 401 and the power line 402 are inseparable or separable.
  • the wired supply device integrates the communication signal input from the communication line 401 and the power input from the power line into a combined wire 2d and provides it to the main body.
  • the adapter 430 If the adapter 430 is not connected to an external commercial power source, it can be used as a wireless power scanner, and if the communication line 401 is not connected to the PC 11, it can be used as a wireless scanner. Therefore, the scanner can be used in various forms depending on how the wiring assembly is used.
  • the scanner according to the present embodiment can be used wired or wirelessly for power and can be wired or wirelessly used for communication.
  • a first confirmation step (S10, S20) of checking whether or not a power connection and wired communication connection with the outside is performed through the terminal hole 35 of the main body 10 may be performed.
  • the first confirmation step may include a step of checking whether wired power is connected (S10) and a step of checking whether wired communication is connected (S20).
  • a second checking step (S12, S18) of checking the presence or absence of the battery 160 inside the main body 10 and the degree of charge of the battery may be performed.
  • the second confirmation step (S12, S18) may be individually performed to check the presence or absence of a battery or check the battery charge level.
  • a step of monitoring the presence or absence of a battery as a second confirmation step may be performed, and while using wireless power (S17), the charge amount of the battery is checked as a second confirmation step.
  • a monitoring step (S17) may proceed.
  • the scanner is operated using wired power (S11).
  • the scanner operates (S21) using wired communication.
  • the scanner uses external power and wired communication regardless of the check result of the second check step (S12, S18). It works.
  • the terminal hole 35 of the main body 10 is a single terminal hole, and a single terminal wired power supply and wired communication can be connected.
  • the single terminal hole 35 may be connected through the wire supply device 410 and the composite wire 2d.
  • the wired supply device 410 may perform a function of insulating an Ethernet signal between the body 10 side and the PC 11 side. To this end, it is preferable that a transformer is built into the wired supply device.
  • the wired supply device 410 may combine and output a DC power line and a wired communication line.
  • the second verification step (S12) is continuously performed. At this time, it is possible to determine whether or not the battery is present and whether the battery is fully charged.
  • the battery is installed as a result of the battery installation check (S13)
  • the battery is fully charged (S14). If the battery is not fully charged, whether a scan mode or scan is in progress is checked (S15).
  • the battery can be charged.
  • the battery may be charged (S16) when the scan mode or scan is not in progress.
  • the charging condition of the battery may be battery installation and non-buffering. Also, the battery charging condition may include that the scan mode or scan may not be in progress. These steps of checking the battery charging condition may be referred to as third checking steps ( S13 , S14 , and S15 ).
  • the scanner uses the power of the battery and wireless communication.
  • the first confirmation step (S10, S20) may be continuously performed.
  • Disconnection of wired connection can occur in a variety of ways, such as terminal separation in the terminal hole 35, separation of PC and wired communication line, separation of plug and outlet, separation of adapter and wired supply, and separation of communication line and wired supply. Because.
  • the 3D scanner is operating by using the battery and wireless communication (S17, S22), if it is confirmed that the external power and wired communication are connected in the first confirmation step, the external power and wired communication are used (S11, S21) It is preferable that the 3D scanner is switched to operate by doing so.
  • the amount of battery charge can be displayed and, if necessary, notification can be performed (S19).
  • a scan program in order to perform a scan, a scan program must be executed in the PC. That is, it is necessary to start preparing for scanning, and at this time, a communication connection between the scanner 1 and the PC 11 must be performed.
  • the display 12 is divided into a plurality of regions, and corresponding information may be displayed in each region.
  • a scan step display area 12a may appear on the display 12 and a joystick area 12d may appear.
  • a scan step display area 12a appears in the upper center, and a plurality of scan steps may appear in the form of icons.
  • a scanner status area 12b for displaying the scanner connection status may appear on the display.
  • scans of the entire upper jaw detailed scans of ground teeth (for tooth decay treatment), scans for implants, scans of the entire lower jaw, detailed scans of ground teeth, scans for implants, and occlusion steps of the upper and lower jaws are sequentially displayed.
  • the mandible scan may be performed after the maxilla, and conversely, the maxilla scan may be performed after the mandible.
  • a color icon and a check mark may appear in the progress completion stage, a bright icon display without a check mark may appear in the ongoing stage, and a black and white icon display without a check mark may appear in the non-progress stage. Accordingly, it is possible to intuitively grasp the progress state of detailed scan steps through the icon state.
  • the type of connected scanner may be displayed in the form of an icon.
  • the battery level may be displayed and a Wi-Fi connection icon may be displayed.
  • the icon of the scanner may be changed according to the direction or posture of the current scanner. That is, the current direction and posture of the scanner can be grasped through the gyroscope built into the scanner. Through this scanner icon, it is possible to know that scanning is proceeding normally.
  • the start of the scan can be initiated by clicking the center button of the joystick 70 . This manipulation can be performed by visually recognizing the user through the joystick icon in the joystick area 12d. In order to start the scan, a “scan” or “scan” character may be displayed in the center of the joystick 70 .
  • the scan steps move from left to right, and the scan completed step changes to a color icon and a check mark may be displayed. Steps in which scanning is not completed may be displayed in black and white.
  • Transparency of the 3D modeling generated in each scanning step may be displayed in the transparency display area 12f. That is, the transparency of the displayed 3D modeling may be changed.
  • 3D modeling may be displayed on the main area 12c.
  • the main area 12c may be divided into a plurality of screens, such as a currently acquired image and a screen for determining whether scanning is normally performed, a scan live screen, and a modeling screen. That is, various screens may appear on the main area 12c as needed.
  • user input may be performed through the joystick 70 .
  • Input for a touch screen or mouse operation may also be possible. Since the user holds the scanner during the scanning process, it may not be easy to input through the touch screen or mouse. In this embodiment, since the scanner itself has various input functions, it is convenient to use.
  • the joystick 70 is capable of up, down, left and right input and center input, allowing a total of five different inputs.
  • a joystick area 12d may appear at the bottom right of the display 2 .
  • An input display corresponding to a joystick icon and up/down/left/right input and an input display corresponding to the central input may appear.
  • an input display description area 12e may appear above the joystick area 12d.
  • zoom in/out of the 3D modeling displayed on the main area 12c may be performed by upper/lower input of a joystick.
  • movement of the 3D modeling may be a left input and rotation of the 3D modeling may be a right input.
  • the center input may be an input for canceling the display screen of the current main area.
  • the input through the joystick area 12d may vary according to the current scan stage or the display screen of the main area.
  • an input for changing a scan step or an input for tool setting may also be performed through a joystick. Therefore, the user can easily use the joystick through the input display explanation area 12e.
  • a tool area 12g may be displayed on the display 12 .
  • various tools such as color map, 3D modeling trim, recording, and shooting may be displayed as icons.
  • Tools can be searched through the left and right inputs of the joystick 70, and a specific tool can be selected through the central input.
  • a user interface through which the 3D modeling can be viewed in more detail can be provided.
  • the joystick 70 is provided to provide a click input and a plurality of direction inputs, and generates different input signals for each input.
  • a click input for pressing the control panel in the center and a direction input for pushing the control unit up, down, left, and right may be possible. Accordingly, the user can perform five different inputs through the joystick 70 .
  • the gyroscope 72 may be provided to provide posture information of the main body 10 .
  • movement displacement or movement speed change of the main body may be sensed. That is, this change value may be referred to as a user's input.
  • the 3D modeling is displayed on the main area 12c, and the gyro pointer 12h can be displayed at a specific position of the display corresponding to the current posture of the main body.
  • the displayed 3D modeling is an example of a state in which the entire upper and lower jaws are occluded after scanning.
  • An icon 12i for ending the view mode may be displayed below the main area 12c.
  • the gyro pointer is preferably located on the end icon 12i. This is because the view mode can be terminated only with a joystick input without a separate posture input.
  • a joystick icon may be displayed on the display 12, and the joystick icon may be formed to correspond to the shape of the joystick.
  • a joystick icon may be displayed in the joystick area 12d.
  • the joystick icon may display symbols corresponding to the control unit in the center, up, down, left, right, and each input in the center.
  • a description of which command power each joystick input corresponds to may be displayed on the upper part of the joystick area 12d. This may be referred to as an input display description area 12e. You can describe the input display through words.
  • the gyro pointer moves on the display in conjunction with it. That is, even if the joystick 70 is not manipulated, the gyro pointer moves.
  • a click input may be provided to issue a view mode exit command, and an exit character may be displayed on a joystick control unit.
  • the view mode can be ended. Accordingly, the view mode may be terminated through manipulation of the gyro pointer (ie, manipulation of the posture of the main body) and click input of the joystick.
  • Click input is possible even when the gyro pointer 12h is located at a position other than the end icon 12i.
  • the gyro pointer may be displayed for a certain period of time at the click input position. It can be seen that the click input is normally performed due to the click display of the gyro pointer.
  • FIG. 18 illustrates an example of zoom-in/zoom-out input using a joystick.
  • An upward direction input of the joystick control unit may be a zoom-in, or enlargement input, and a downward direction input may be a zoom-out, or reduction input.
  • the 3D modeling may be gradually reduced.
  • a zoom-out gyro icon that is, a gyro icon with a minus sign is generated and displayed. Thereafter, if the input is repeated in a downward direction, the 3D modeling may be gradually reduced.
  • a zoom-in gyro icon that is, a gyro icon with a plus sign is generated and displayed. Thereafter, if the input is repeated in an upward direction, the 3D modeling may be gradually enlarged.
  • the joystick icon 12d may be displayed in association with joystick manipulation.
  • the operation unit of the joystick may also be displayed in a state of being moved downward.
  • 19 illustrates an example of a movement input using a joystick.
  • the input in the left direction of the joystick control unit is a movement input, and the movement direction of 3D modeling can be performed through the gyro icon.
  • the user may move the gyro icon to the left. At this time, the 3D modeling moves to the left. Conversely, in a state in which the user inputs the left direction of the joystick control unit, the user may move the gyro icon to the right. At this time, the 3D modeling moves to the right. That is, according to the movement direction of the gyro icon, the 3D modeling moves.
  • the user may move the joystick control unit to the left.
  • the 3D modeling may be moved to the vicinity of the gyro icon.
  • the movement of the 3D modeling can be performed only when both the position or movement manipulation of the gyro icon and the left direction manipulation of the joystick are reflected. Therefore, a very intuitive and easy user interface can be implemented.
  • FIG. 20 illustrates an example of a state in which rotation is input from a joystick.
  • the right direction input of the joystick control unit is a rotation input, and the rotation direction of 3D modeling can be performed through the gyro icon.
  • the 3D model When the user moves the gyro icon upward while inputting the right direction of the joystick control unit, the 3D model may be rotated upward. When the user moves the gyro icon in the left direction, the 3D modeling may be rotated in the left direction.
  • the user may move the joystick control unit to the right.
  • the 3D modeling may rotate based on the gyro icon.
  • the rotation of the 3D model can be performed only when both the position or movement manipulation of the gyro icon and the right direction manipulation of the joystick are reflected. Therefore, a very intuitive and easy user interface can be implemented.
  • the 3D scanner may be equipped to scan the inside of a subject's oral cavity. Scanning is performed while the user holds the scanner body and inserts the probe tip into the oral cavity of the subject.
  • the scanner body is provided with user interface components for manipulation of the display. That is, a joystick and a gyroscope may be provided. Accordingly, the user can scan while holding the main body during the scanning process, and operate the display while holding the main body.

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Abstract

La présente invention concerne un scanner et, plus particulièrement, un scanner 3D de type à préhension. Plus particulièrement, la présente invention concerne un scanner et un système de balayage capables de balayer l'intérieur de la cavité buccale, y compris les dents d'un sujet. Selon un mode de réalisation de la présente invention, le système de balayage comprend : un scanner, qui a un corps pourvu d'un ensemble de balayage comprenant une unité de projecteur et une unité de caméra, une manette disposée dans le corps et générant différents signaux d'entrée pour une entrée de clic d'un utilisateur et de multiples entrées de direction, et un gyroscope disposé dans le corps de façon à fournir des informations de posture du corps; un dispositif d'affichage; et un PC connecté au scanner par l'intermédiaire d'une communication de façon à guider visuellement de multiples étapes de balayage à travers le dispositif d'affichage, le PC effectuant une entrée d'utilisateur par manipulation de la manette et une entrée d'utilisateur par manipulation de la posture du corps, le dispositif d'affichage affichant une zone de manette pour guider une méthode d'entrée d'utilisateur à l'aide de la manette, et affichant un pointeur gyroscopique lié à la manipulation de la posture du corps principal.
PCT/KR2022/007262 2021-05-20 2022-05-20 Scanner 3d et système de balayage le comprenant Ceased WO2022245187A1 (fr)

Applications Claiming Priority (2)

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KR10-2021-0065119 2021-05-20
KR1020210065119A KR102607619B1 (ko) 2021-05-20 2021-05-20 3d 스캐너 및 이를 포함하는 스캔 시스템

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WO2025211794A1 (fr) * 2024-04-03 2025-10-09 주식회사 메디트 Scanner portatif tridimensionnel comprenant un capteur tactile

Citations (5)

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JP2010505588A (ja) * 2006-10-13 2010-02-25 ケアストリーム ヘルス インク 齲蝕検知装置
KR20150130938A (ko) * 2014-05-14 2015-11-24 주식회사바텍 치과용 3차원 스캐너
KR20170113412A (ko) * 2016-03-30 2017-10-12 주식회사바텍 치과용 구강스캐너 시스템
US20190011996A1 (en) * 2015-03-06 2019-01-10 Align Technology, Inc. Intraoral scanner with touch sensitive input
KR20200064922A (ko) * 2018-11-29 2020-06-08 주식회사 메디트 구강 스캐너

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101792542B1 (ko) * 2016-03-30 2017-11-02 주식회사바텍 착탈식 모듈을 갖는 치과용 3차원 스캐너
US20210338047A1 (en) 2018-09-27 2021-11-04 3Shape A/S A power-adaptable device for scanning a human intra-cavity

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010505588A (ja) * 2006-10-13 2010-02-25 ケアストリーム ヘルス インク 齲蝕検知装置
KR20150130938A (ko) * 2014-05-14 2015-11-24 주식회사바텍 치과용 3차원 스캐너
US20190011996A1 (en) * 2015-03-06 2019-01-10 Align Technology, Inc. Intraoral scanner with touch sensitive input
KR20170113412A (ko) * 2016-03-30 2017-10-12 주식회사바텍 치과용 구강스캐너 시스템
KR20200064922A (ko) * 2018-11-29 2020-06-08 주식회사 메디트 구강 스캐너

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