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WO2018186251A1 - Instrument de support de dispositif d'affichage monté sur la tête et unité de dispositif d'affichage montée sur la tête - Google Patents

Instrument de support de dispositif d'affichage monté sur la tête et unité de dispositif d'affichage montée sur la tête Download PDF

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Publication number
WO2018186251A1
WO2018186251A1 PCT/JP2018/012687 JP2018012687W WO2018186251A1 WO 2018186251 A1 WO2018186251 A1 WO 2018186251A1 JP 2018012687 W JP2018012687 W JP 2018012687W WO 2018186251 A1 WO2018186251 A1 WO 2018186251A1
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WO
WIPO (PCT)
Prior art keywords
mounted display
head
head mounted
user
support
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/JP2018/012687
Other languages
English (en)
Japanese (ja)
Inventor
井上　智
弘輝 佐藤
伸司 木村
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.)
Crewt Medical Systems Inc
Original Assignee
Crewt Medical Systems 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 Crewt Medical Systems Inc filed Critical Crewt Medical Systems Inc
Publication of WO2018186251A1 publication Critical patent/WO2018186251A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers

Definitions

  • the present invention relates to a head-mounted display support device and a head-mounted display unit.
  • HMD Head-Mount-Display
  • AV Audio / Visual
  • a technology for utilizing a head-mounted display as a medical device is also known.
  • a head-mounted eye inspection apparatus that performs eye inspection using a head-mounted display is known (for example, Patent Document 1).
  • a head-mounted display is attached to the subject's head, and an eye examination is performed by presenting a test target on the eyeball of the subject under the wearing state. It has become.
  • head-mounted eye examination devices tend to be heavier than head-mounted displays for game machine applications. For this reason, when the head mounted display is used while being attached to the subject's head, the weight of the head mounted display is not small and places a burden on the neck and shoulders of the subject. In particular, when the subject is an elderly person or a child, the physical burden felt by the weight of the head mounted display increases.
  • the main object of the present invention is to provide a technique capable of reducing a physical burden when a head mounted display is used on a user's head.
  • the first aspect of the present invention is: A head-mounted display support device for mounting and using a head-mounted display, A head-mounted display support device comprising a support mechanism to which the head-mounted display is detachably mounted and which supports the mounted head-mounted display so as to be movable in at least one direction.
  • the second aspect of the present invention is: The support mechanism is A mounted portion to which the head mounted display is detachably mounted; A support portion that supports the attached portion so as to be movable in at least one direction;
  • the head-mounted display support device according to the first aspect comprising: (Third aspect)
  • the third aspect of the present invention is: The support portion is the head mounted display support device according to the second aspect, wherein the attached portion is elastically supported.
  • the fourth aspect of the present invention is: The support part is configured by using an elastic member.
  • the head mounted display supporting device according to the fourth aspect, wherein the elastic member is a spring.
  • the sixth aspect of the present invention is: The head-mounted display support device according to any one of the first to fifth aspects, further comprising a stand portion for arranging the support mechanism at a predetermined height.
  • the seventh aspect of the present invention is The head mounted display supporting device according to the sixth aspect, further comprising a mechanism for adjusting the height of the stand portion.
  • the eighth aspect of the present invention is The head-mounted display support device according to any one of the first to seventh aspects, further comprising a chin rest for supporting a user's chin on which the head-mounted display is mounted on a head.
  • the ninth aspect of the present invention provides The head mount display supporting instrument according to the eighth aspect, wherein the position of the chin rest is adjustable.
  • the tenth aspect of the present invention provides 10.
  • the eleventh aspect of the present invention is The head-mounted display support apparatus according to the tenth aspect, wherein the position of the elbow rest is adjustable.
  • the twelfth aspect of the present invention provides A head-mounted display, A head-mounted display support device comprising a support mechanism to which the head-mounted display is detachably mounted and which supports the mounted head-mounted display so as to be movable in at least one direction; A head-mounted display unit.
  • the thirteenth aspect of the present invention provides The head-mounted display unit according to the twelfth aspect, wherein the head-mounted display is a head-mounted eye examination apparatus.
  • the present invention it is possible to reduce the physical burden when the head mounted display is used while being worn on the user's head.
  • the present inventor originally came up with a fixing device for fixing and using the head mounted display from the idea of preventing the user from feeling the weight of the head mounted display. If this fixing device is used, the weight of the head mounted display is supported by the fixing device by attaching the head mounted display to the fixing device. For this reason, the weight of the head mounted display is not added to the user who wears the head mounted display on the head. Therefore, the physical burden on the user can be reduced.
  • the present inventor considered a new problem to be further improved while assuming the use of the fixing device ( And the present invention was conceived.
  • FIG. 1 is a perspective view showing a configuration example of a head mounted display according to an embodiment of the present invention.
  • the illustrated head mounted display 2 includes a main body portion 5 containing an optical system and the like which will be described later, and a mounting tool 6 for mounting the main body portion 5 on a user's head.
  • the head mounted display 2 has a format similar to a helmet type.
  • the main body 5 is actually mounted on the user's head, and has a front part 7, an intermediate part 8, and a rear part 9.
  • the front part 7 is arranged from the front part of the user's eyes to the frontal part when the main body part 5 is mounted on the user's head.
  • the intermediate part 8 is arrange
  • the rear part 9 is arrange
  • the front part 7 incorporates an optical system for displaying images and a display element.
  • the outer surface of the front portion 7 is formed in a curved shape that follows the shape of the user's head.
  • a pair of left and right first rotary knobs 11 and a pair of left and right second rotary knobs 12 are provided on both sides of the front portion 7.
  • the first rotary knob 11 is for aligning the center position (optical axis position) of the optical system with the user's pupil center position.
  • the second rotary knob 12 is for adjusting the distance from the pupil position of the user to the front lens position of the optical system.
  • a pair of left and right viewing windows (not shown) are provided on the inner surface side of the front portion 7 so that the user can observe images in both binocular and monocular views.
  • a pad portion (not shown) capable of pressing the forehead is provided.
  • the intermediate part 8 is formed so as to connect the front part 7 and the rear part 9.
  • the width of the main body part 5 is narrowed from the left-right direction, and in the part from the intermediate part 8 to the rear part 9, the width of the main body part 5 is expanded in the left-right direction.
  • the intermediate part 8 is formed narrower than the front part 7 and the rear part 9.
  • the rear portion 9 incorporates a computer to be described later.
  • a connection interface unit (not shown) is provided on the rear end surface of the rear unit 9. The connection interface unit is used for communicably connecting a computer built in the rear unit 9 and an external terminal device (not shown).
  • a cable (not shown) is attached to the head mounted display 2, and this cable is configured to be connectable to the connection interface unit.
  • this cable is assumed that communication between the computer and the terminal device is performed by wire using a cable.
  • the present invention is not limited to this, and a wireless communication method is adopted. May be.
  • the mounting tool 6 is used to stably mount the main body 5 on the user's head when the head mounted display 2 is used in a movable manner.
  • the mounting tool 6 is configured to be detachable from the main body 5.
  • the wearing tool 6 includes a belt portion 14 that can be wound around the user's head, and an adjustment portion 15 that can adjust the length of the belt portion 14.
  • the belt part 14 is formed in a substantially U shape so as to be wound from the user's side to the back.
  • the adjusting unit 15 adjusts the length of the belt unit 14 according to the user's head circumference (length around the head), thereby applying an appropriate tightening force to the user's head or releasing the tightening force. It is for doing.
  • FIG. 2 is a schematic view including the configuration of the optical system of the head mounted display according to the embodiment of the present invention.
  • the head mounted display 2 includes a display optical system 200, a display element 240, an observation optical system 300, an image sensor 340, a control unit 400, and a subject operation unit 420.
  • the head mounted display 2 is used as a visual field inspection device.
  • the user of the head mounted display 2 is a subject who undergoes a visual field inspection.
  • the display optical system 200 and the display element 240 are components for displaying an image for examination on the subject.
  • the observation optical system 300 and the image sensor 340 are constituent elements for observing the eyeball 100 of the subject.
  • the display element 240, the subject operation unit 420, and the image sensor 340 are electrically connected to the control unit 400 as indicated by symbols A, B, and C in the drawing.
  • the constituent elements (200, 240, 300, 340) corresponding to one eye of the subject are shown, but in reality, the constituent elements corresponding to both eyes of the subject are shown. Left and right are provided independently.
  • the test image displayed on the display element 240 includes a visual target, and this visual target is presented to the subject.
  • a visual target refers to a “point” or “figure” that is displayed (presented) in order to give light stimulation to the eyeball of the subject.
  • the display optical system 200 is provided on the optical axes 280 a and 280 b between the eyeball position where the eyeball 100 of the subject is placed and the display surface of the display element 240.
  • the display optical system 200 has a configuration in which a first lens 210, a mirror 220, and a second lens group 230 are arranged in order from the eyeball position side of the subject.
  • a first lens 210, a mirror 220, and a second lens group 230 are arranged in order from the eyeball position side of the subject.
  • the optical axis from the eyeball position to the mirror 220 is the optical axis 280a, and from the mirror 220 to the display element 240
  • the optical axis is the optical axis 280b.
  • the first lens 210 is disposed on the optical axis 280a from the eyeball position to the mirror 220.
  • the first lens 210 is configured using an aspherical lens (convex lens) having a positive power.
  • the first lens 210 converges the light reflected by the mirror 220 and incident on the first lens 210 onto the pupil 101 of the subject, while the light divergence occurs when the subject views an object through the pupil 101 at a wide angle. It is to suppress.
  • the mirror 220 is disposed on the optical axis 280a from the eyeball position to the mirror 220 on the opposite side of the eyeball position with the first lens 210 interposed therebetween.
  • the mirror 220 is configured using a mirror having wavelength selectivity.
  • the mirror 220 is configured using a cold mirror that reflects visible light and transmits infrared rays.
  • the second lens group 230 is disposed on the optical axis 280b from the mirror 220 to the display element 240.
  • the second lens group 230 is configured by using three lenses 232, 234, and 236.
  • the three lenses 232, 234, and 236 are sequentially arranged from the mirror 220 side toward the display element 240 side.
  • the lens 232 is configured using an aspherical lens (convex lens) having positive power.
  • the lens 234 is configured using an aspheric lens (concave lens) having negative power, and the lens 236 is configured using an aspheric lens (convex meniscus lens) having positive power.
  • the display element 240 is disposed on the optical axis 280 b from the mirror 220 to the display element 240 so as to face the lens 236 of the second lens group 230.
  • the display element 240 is configured using, for example, a flat display element such as a liquid crystal display element having a backlight.
  • the observation optical system 300 is for observing, for example, the anterior part of the eye including the pupil 101, iris, sclera, or the fundus of the retina 102, with the subject's eyeball 100 as an observation target.
  • the components of the observation optical system 300 are provided on the optical axes 280a and 380a from the eyeball position of the subject to the image sensor 340 except for the infrared light source 310.
  • the first lens 210, the mirror 220, and the third lens 320 are arranged in order from the eyeball position side of the subject.
  • the first lens 210 and the mirror 220 are common (shared) with the display optical system 200 described above, including the optical axis 280a.
  • the optical axis 380a from the mirror 220 to the image sensor 340 is substantially parallel to the optical axis 280a.
  • the infrared light source 310 irradiates infrared rays to the eyeball 100 of the subject.
  • the infrared light source 310 is arranged so as to be obliquely above and obliquely below the eyeball position of the subject so as not to disturb the visual field of the subject.
  • One infrared light source 310 irradiates the subject's eyeball 100 with infrared rays obliquely from above, and the other infrared light source 310 irradiates the subject's eyeball 100 with infrared rays obliquely from below. It is configured to do.
  • the third lens 320 is disposed on the optical axis 380a from the mirror 220 to the image sensor 340.
  • the third lens 320 is configured using an aspherical lens (convex lens) having positive power.
  • the third lens 320 binds light that enters the first lens 210 from the eyeball 100 and passes through the mirror 220 to the imaging surface of the imaging element 340. It is something to be imaged.
  • the imaging element 340 images the eyeball 100 of the subject via the observation optical system 300 described above.
  • the image sensor 340 is configured using a CCD (Charge Coupled Device) image sensor having sensitivity to infrared rays, a CMOS (Complementary Metal Oxide Semiconductor) image sensor, or the like.
  • CCD Charge Coupled Device
  • CMOS Complementary Metal Oxide Semiconductor
  • the eyeball 100 is irradiated via the first lens 210, the mirror 220, and the third lens 320 while irradiating the eyeball 100 of the subject with infrared rays from the infrared light source 310.
  • the image is picked up by the image sensor 340.
  • the control unit 400 is configured by a computer including a combination of CPU (Central Processing Unit), RAM (Random Access Memory), ROM (Read Only Memory), HDD (Hard Disk Drive), various interfaces, and the like. And the control part 400 is comprised so that various functions may be implement
  • the predetermined program for realizing each function is used by being installed in a computer, but may be provided by being stored in a computer-readable storage medium prior to the installation, or the computer It may be provided through a communication line connected to.
  • the subject operation unit 420 is operated by the subject.
  • the subject operation unit 420 is mainly operated by the subject for response.
  • the subject operation unit 420 is preferably a manual subject operation unit that the subject holds and operates with his / her hand. More preferably, the subject has his / her finger (for example, thumb or index finger). It is preferable to use a pressing-type subject operation unit that performs a pressing operation. In this case, when the subject presses the subject operation unit 420, the subject operation unit 420 is switched from the off state to the on state, and an on signal is output from the subject operation unit 420. This ON signal is taken into the control unit 400.
  • Static quantitative visual field inspection is performed as follows. First, a target is presented at one point in the field of view, and its brightness is gradually increased. At this time, when the target has a certain brightness, the target can be seen from the subject. Therefore, the value corresponding to the brightness when the subject can see the target is set as the retina sensitivity at the point where the target is presented at that time. Then, the same measurement is performed for each point in the field of view, thereby quantitatively examining the difference in retinal sensitivity in the field of view and creating a map. There are a subjective examination and an objective examination in the static quantitative visual field examination. If the head mounted display 2 of the present embodiment is used, any type of inspection can be performed. This will be described below.
  • Self-aware inspection is performed as follows. First, the head mounted display 2 is mounted on the head of a subject (user). Also, the subject operation unit 420 is held in the subject's hand. Next, based on a command from the control unit 400, a visual target for visual field inspection is displayed at one point on the display surface of the display element 240. At this time, the brightness of the target is initially darkened, and then the brightness of the target is gradually increased. Then, even if it is dark at first and the target is not visible to the subject, when the target reaches a certain brightness, the subject's retina responds to the light stimulus so that the subject can see the target. become. For this reason, when the target can be seen from the subject, the subject pushes the subject operation unit 420.
  • an ON signal is sent to the control unit 400.
  • the control unit 400 performs a predetermined process, and sets the value corresponding to the brightness of the point of the target at that time as the sensitivity of the retina at that point. Thereafter, the same measurement is performed for each point in the field of view, thereby quantitatively examining the difference in retinal sensitivity in the field of view and creating a sensitivity map of the retina.
  • the objective test is performed as follows. First, the head mounted display 2 is mounted on the subject's head. In this case, it is not necessary for the subject to have the subject operation unit 420. Next, based on a command from the control unit 400, a visual target for visual field inspection is displayed at one point on the display surface of the display element 240. At this time, the brightness of the target is initially darkened, and then the brightness of the target is gradually increased. Then, even if it is dark at first and the target is not visible to the subject, when the target reaches a certain brightness, the subject's retina responds to the light stimulus so that the subject can see the target. become.
  • the size of the pupil 101 (pupil diameter) of the subject changes according to the brightness of the target. Specifically, the diameter of the subject's pupil 101 is reduced.
  • the state change of the eyeball 100 at this time is imaged by the image sensor 340.
  • the eyeball 100 is imaged by irradiating infrared rays from the infrared light source 310 toward the eyeball 100, and causing the image light of the eyeball 100 obtained thereby to form an image on the imaging surface of the image sensor 340 via the observation optical system 300.
  • the timing for starting the imaging of the eyeball 100 may be set, for example, before the display of the visual target on the display surface of the display element 240 or simultaneously with the display of the visual target.
  • the human retina since the human retina has no sensitivity to infrared rays, it does not affect the state change of the eyeball 100.
  • the image data of the eyeball 100 imaged by the image sensor 340 is taken into the control unit 400.
  • Image data sent from the image sensor 340 indicates whether or not the pupil diameter of the subject has changed (reduced) in response to the brightness of the target in the process of gradually increasing the brightness of the target. Judgment based on.
  • the value corresponding to the brightness of the point of the target at that time is set as the sensitivity on the retina at that point.
  • the same measurement is automatically performed one after another for each point in the field of view to quantitatively check the difference in sensitivity on the retina in the field of view, and a sensitivity map on the retina is automatically created.
  • the objective test may be performed by a single upper threshold stimulation method in which a bright target is displayed at one point on the display surface of the display element 240 and a sensitivity map is created by observing the degree of reduction of the pupil diameter. Good.
  • FIG. 4 is a side view thereof
  • FIG. 5 is a front view thereof.
  • the illustrated head mounted display unit 1 generally includes a head mounted display 2 and a head mounted display support device 3 that supports the head mounted display 2.
  • a head-mounted display support device (hereinafter, also simply referred to as “support device”) 3 enables the head-mounted display 2 originally used as a movable type to be used as a stationary type.
  • support device enables the head-mounted display 2 originally used as a movable type to be used as a stationary type.
  • the head mounted display unit 1 is viewed from the side facing the user, that is, the left side of FIG. Is a front view.
  • the head mounted display 2 is used by being mounted on the user's head.
  • the head mounted display 2 can be used for various purposes, and has an appropriate function according to the purpose.
  • a case where the head mounted display 2 is a head mounted eye examination apparatus will be described as an example as one preferable example.
  • the eye examination apparatus for example, there are a visual field examination apparatus, a visual acuity examination apparatus, an eye muscle function examination apparatus, and the present invention can be applied to any eye examination apparatus. Of these, a case where the present invention is applied to a visual field inspection apparatus will be described as an example.
  • the configuration of the head mounted display 2 is as described above.
  • FIG. 6 is a perspective view showing a configuration example of a head mounted display support device according to the embodiment of the present invention
  • FIG. 7 is a side view thereof
  • FIG. 8 is a front view thereof.
  • the support device 3 is a device for mounting and using the head mounted display 2.
  • the head mounted display 2 is simply hooked and supported on an L-shaped metal fitting or the like. It does not include anything that is placed on top and supported.
  • the support device 3 includes a head mount display 2 that is detachably mounted, a support mechanism 20 that supports the mounted head mount display 2 so as to be movable in at least one direction, and the support mechanism 20 at a predetermined height. And a stand part 21 for placement.
  • the term “movable” described here refers to those that can be moved for the first time by loosening or removing screws, etc. that are generally used as fixing means against the original purpose, or dimensional accuracy and mounting accuracy of parts. It is not included that is movable due to the backlash caused by the error or the like, or a size comparable to that (for example, several mm).
  • the dimension (distance which permits a movement) which can move with respect to a certain direction is preferably 10 mm or more and 200 mm or less, and more preferably 20 mm or more and 100 mm or less.
  • FIG. 9 is a perspective view showing the structure of the support mechanism
  • FIG. 10 is a side view thereof
  • FIG. 11 is a front view thereof.
  • the support mechanism 20 includes an attached portion 22 to which the head mounted display 2 is detachably attached, and a support portion 23 that supports the attached portion 22 so as to be movable in at least one direction.
  • the support portion 23 is preferably configured to elastically support the attached portion 22. Supporting elastically refers to supporting an object to be supported using elastic force.
  • the attached portion 22 includes a first receiving member 24 and a second receiving member 25.
  • the first receiving member 24 and the second receiving member 25 are members for directly receiving and supporting the head mounted display 2.
  • the attached portion 22 is configured by coupling the first receiving member 24 and the second receiving member 25 to each other by, for example, a screw mechanism or welding.
  • a screw mechanism or welding.
  • FIG. 12 is a perspective view showing the configuration of the first receiving member
  • FIG. 13 is a side view thereof
  • FIG. 14 is a front view thereof
  • FIG. 15 is a perspective view showing a configuration of a mounted portion formed by joining the first receiving member and the second receiving member
  • FIG. 16 is a side view thereof
  • FIG. 17 is a front view thereof.
  • the first receiving member 24 includes a first plate portion 31, a second plate portion 32, and a pair of blade plate portions 33.
  • the first plate portion 31 is formed in a plate shape having a substantially square shape (rectangular shape in the illustrated example) when viewed from the front.
  • An opening 31a is provided at the center of the first plate portion 31, and a pair of slits 31b and three holes 31c are provided around the opening 31a.
  • the opening 31a is formed in a substantially square shape when viewed from the front.
  • the four corners of the opening 31a are each formed in a round shape.
  • the pair of slits 31b are for passing a belt 41 described later, and are arranged one by one on the left and right sides with the opening 31a interposed therebetween.
  • the three holes 31c are formed to couple the first receiving member 24 and the second receiving member 25, and are arranged at regular intervals in the left-right direction.
  • the second plate portion 32 extends obliquely upward from the upper edge portion of the first plate portion 31 and is formed in a plate shape.
  • the extending end of the second plate portion 32 is bent at a substantially right angle.
  • the second plate portion 32 is provided with an opening portion 32a, a pair of slits 32b, and a contact portion 32c.
  • the opening 32a is formed in a circular shape.
  • the pair of slits 32 b are for passing a belt 42 described later, and are arranged in pairs on the left and right sides of the second plate portion 32.
  • the contact portion 32 c is a portion bent at a substantially right angle at the extending end of the second plate portion 32.
  • the contact portion 32 c is provided so as to contact the intermediate portion 8 of the head mounted display 2 when the second plate portion 32 receives the head mounted display 2.
  • the pair of wing plate portions 33 are formed to bend at substantially right angles from both sides of the first plate portion 31.
  • the pair of wing plate portions 33 are disposed to face each other in the left-right direction.
  • One blade plate portion 33 is provided with four hook holes 33a. Two of the hook holes 33 a are disposed in the vicinity of the upper edge of the blade plate portion 33, and the other two hook holes 33 a are disposed in the vicinity of the lower edge of the blade plate portion 33.
  • the second receiving member 25 includes a receiving plate portion 35, a support plate portion 36, a connecting portion 37, and a positioning portion 38.
  • the receiving plate part 35 is a part that receives the head mounted display 2 from below.
  • the receiving plate portion 35 is formed with a substantially V-shaped cutout 35a (FIG. 15) so as not to interfere with the head of the user wearing the head mounted display 2.
  • the support plate portion 36 is a portion that supports the head mounted display 2 via the receiving plate portion 35.
  • the connecting portion 37 is a portion for connecting the first receiving member 24 and the second receiving member 25.
  • the connecting portion 37 is provided with a hole (not shown) corresponding to the hole 31 c provided in the first plate portion 31 of the first receiving member 24.
  • the positioning portion 38 is a portion for positioning the head mounted display 2 when receiving the head mounted display 2 by the receiving plate portion 35.
  • the positioning unit 38 determines the position of the head mounted display 2 by contacting the front portion 7 of the head mounted display 2. For this reason, the shape of the positioning part 38 is set so as to follow the shape of the front part 7 of the head mounted display 2.
  • the head mounted display 2 is detachably attached to the attached portion 22 having the above configuration.
  • two belts 41 and 42 are used as shown in FIG. Specifically, the head mounted display 2 is placed on the receiving plate portion 35 of the second receiving member 25, and the head mounted display 2 is attached to the attached portion 22 using the two belts 41 and 42. At this time, the head mounted display 2 is fixed to the attached portion 22 by fastening the belts 41 and 42 with an appropriate force.
  • the belt 41 is hooked on a hook 13 (FIGS. 3 and 4) provided on the side of the head mounted display 2 and is passed through a pair of slits 31b provided on the first plate portion 31.
  • a hook 13 FIGS. 3 and 4
  • the belt 42 is wound around the inside (lower side) of the intermediate portion 8 of the head mounted display 2 and is passed through a pair of slits 32 b provided in the second plate portion 32.
  • the belt 42 is tightened, the intermediate portion 8 of the head mounted display 2 is pressed against the contact portion 32 c of the second plate portion 32.
  • the head mounted display 2 is attached to the attached portion 22 using the two belts 41 and 42.
  • the support portion 23 elastically supports the attached portion 22 and includes a box member 26 and an elastic member (described later).
  • FIG. 18 is a perspective view showing the configuration of the box member
  • FIG. 19 is a sectional view of the box member as viewed from the side
  • FIG. 20 is a sectional view of the box member as viewed from the front.
  • the box member 26 has a box structure in which an upper plate portion 45, a lower plate portion 46, a pair of side plate portions 47, and a window plate portion 48 are integrally formed, and a portion facing the window plate portion 48 is opened. ing.
  • the two brackets 49 are fixed to the lower surface of the upper plate portion 45 by welding or the like, and the two brackets 49 are also fixed to the upper surface of the lower plate portion 46 by welding or the like. Each bracket 49 is provided with two hook holes 49a.
  • the lower plate portion 46 is formed with a receiving port 50 for attaching the box member 26 to the upper end of the stand portion 21. A total of four screw holes 51 are provided around the receiving port 50.
  • An opening window 52 is provided in the window plate portion 48. In the opening window 52, a part (mainly the first receiving member 24) of the attached portion 22 is disposed inside the box member 26, and the other portion (mainly the second receiving member 25) of the attached portion 22 is the box member. 26 is provided to be disposed outside of 26.
  • the open window 52 is formed in a rectangular shape in front view with rounded corners. Note that the opening of the box member 26 on the side facing the window plate portion 48 can be closed by a cover member (not shown) using a screw hole 49b (FIG. 11) provided in each bracket 49. ing.
  • the elastic member is a member for elastically supporting the attached portion 22 and the head mounted display 2 attached thereto.
  • the elastic force of the elastic member works as a force for holding the attached portion 22 and the head mounted display 2 at the home position (initial position). Further, the elastic force of the elastic member acts as a force for returning the attached portion 22 and the head mounted display 2 from the home position to return them to the home position.
  • the elastic member can be constituted by a spring, for example.
  • a coil spring 53 made of a tension coil spring is used as shown in FIGS.
  • the coil spring 53 is disposed inside the box member 26.
  • One end of the coil spring 53 is hooked in the hook hole 33 a of the first receiving member 24, and the other end of the coil spring 53 is hooked in the hook hole 49 a of the bracket 49.
  • the first receiving member 24 and the bracket 49 are connected to each other by the coil spring 53. 3 to 8, the description of the elastic member (coil spring 53) is omitted.
  • a total of eight coil springs 53 are provided.
  • the four coil springs 53 are provided with four hook holes 33 a provided in one blade plate portion 33 of the first receiving member 24 and two hook holes provided in the upper and lower two brackets 49 corresponding thereto. 49a.
  • the other four coil springs 53 are provided with four hook holes 33a provided in the other blade plate portion 33 of the first receiving member 24 and two hooks 49 provided on the upper and lower brackets 49 corresponding thereto. It is hooked in the hole 49a.
  • the elastic force (tensile force) of the coil spring 53 disposed on the upper side is inclined to the blade plate portion 33 as indicated by an arrow in the figure.
  • the elastic force (pulling force) of the coil spring 53 disposed on the lower side acts to pull up the blade plate 33 obliquely downward as shown by the arrow in the figure. is doing.
  • the elastic force of the coil spring 53 disposed on the upper side causes the blade plate 33 to move obliquely upward as indicated by the arrow in the figure.
  • the elastic force of the coil spring 53 disposed on the lower side acts so as to pull up and acts to lower the blade plate portion 33 in a diagonally downward direction as indicated by an arrow in the figure.
  • the mounted portion 22 is held at a position where the elastic forces of the eight coil springs 53 are balanced, that is, at the home position. For this reason, when the attached portion 22 is moved from the home position, it is necessary to apply an external force against the attached portion 22 against at least a part of the elastic force (tensile force) of the coil spring 53. Further, the attached portion 22 is supported by an elastic force of each coil spring 53 so as to be movable in any direction (multi-direction).
  • the directions in which the attached portion 22 can move include at least the vertical direction, the horizontal direction, the diagonal direction, the depth direction of the box member 26, and the rotation direction.
  • the diagonal direction refers to a direction having an oblique angle with respect to the vertical direction (or the horizontal direction).
  • the rotation direction includes vertical rotation and horizontal rotation.
  • the rotation in the vertical direction means that the orientation of the attached portion 22 changes around a virtual horizontal axis that penetrates the box member 26 from side to side.
  • the rotation in the left and right direction means around a virtual vertical axis that penetrates the box member 26 up and down. This refers to the case where the orientation of the mounted portion 22 changes.
  • the mounted portion 22 is held in a suspended state by the balance of the elastic forces of the eight coil springs 53. For this reason, if the spring constant of the coil spring 53 is too small, when the head mounted display 2 attached to the attached portion 22 is used by being mounted on the user's head, the attached portion 22 moves too easily and the box member The attached portion 22 may come into contact with the edge of the 26 open windows 52. For this reason, the spring constant of the coil spring 53 is determined so that the mounted portion 22 is an opening window of the box member 26 in consideration of the weight of the object to be elastically supported (the mounted portion 22, the head mounted display 2, etc.). It is preferable to set the value to such an extent that there is no possibility of contact with the edge of 52.
  • the eight coil springs 53 may be configured using springs having the same spring constant, or may be configured using springs having different spring constants. Further, the upper coil spring 53 is subjected to the weight of the attached portion 22 and the head mounted display 2 and the elastic force of the lower coil spring 53. For this reason, when using springs having different spring constants as described above, the spring constant of the upper coil spring 53 may be set larger than the spring constant of the lower coil spring 53.
  • the support mechanism 20 is configured by arranging the eight coil springs 53 inside the box member 26 as described above, and elastically supporting the attached portion 22 by the eight coil springs 53. In this configuration, most of the blade plate portion 33 of the first receiving member 24 is disposed inside the box member 26, and the first plate portion 31 and the second plate portion 32 of the first receiving member 24, and the second receiving member. All of 25 are arranged outside the box member 26.
  • the stand unit 21 includes a gantry unit 61 installed on the floor surface and the like, and a support column unit 62 that stands vertically from the gantry unit 61.
  • the gantry 61 serves as a pedestal that supports the entire head mounted display unit 1, and is disposed at the lowermost part of the support device 3.
  • the gantry 61 is formed in an H shape in plan view.
  • the gantry 61 is provided with a plurality of casters 63. At least one of the plurality of casters 63 includes a rotation lock mechanism that locks the rotation of the wheel.
  • the rotation lock mechanism is locked when the support device 3 is installed (fixed) in a predetermined place and used, and is unlocked when the support device 3 is moved.
  • the caster 63 and the rotation lock mechanism may be provided as necessary. When the caster 63 is provided on the gantry 61, the installation place of the support device 3 and the head mounted display unit 1 can be easily moved.
  • the support column 62 supports the support mechanism 20 and is formed in a prismatic shape.
  • the box member 26 of the support mechanism 20 described above is fixed to the upper end portion of the column portion 62 by screws or the like.
  • the support column 62 preferably has a hollow structure so that the inside can be used as a wiring space of the electric system.
  • the support column 62 includes a mechanism 64 (hereinafter referred to as “first height adjusting mechanism”) that adjusts the height of the entire stand unit 21.
  • the first height adjustment mechanism 64 has, for example, a structure in which the column portion 62 has a double structure including an inner column and an outer column, and the outer column moves in the vertical direction while being guided by the inner column. Thus, the height of the stand portion 21 can be adjusted.
  • the first height adjustment mechanism 64 may be automatic or manual, but in the present embodiment, an automatic type is adopted as a preferred example. In the automatic first height adjustment mechanism 64, for example, by operating an elevating button (not shown) provided on the support 62, the support 62 is electrically driven in the vertical direction. .
  • the support device 3 of the present embodiment includes a monitor 65, an elbow rest 66, a chin rest 67, and a response switch 68.
  • the monitor 65 is for displaying predetermined information to a user who uses the head mounted display 2 or a person other than the user.
  • a user who uses the head mounted display 2 is a subject who undergoes visual inspection
  • a person other than the user is an examiner who performs visual inspection.
  • the examiner includes a doctor such as an ophthalmologist or an assistant (a nurse, an ophthalmic assistant, an ophthalmic examination assistant, etc.).
  • the elbow rest 66 is a stand for supporting the elbow of the user who wears the head mounted display 2 on the head.
  • the chin stand 67 is a pedestal for supporting the chin of the user who wears the head-mounted display 2 on the head.
  • the response switch 68 is a switch used for visual field inspection and the like, and corresponds to the above-described subject operation unit 420.
  • the monitor 65 is installed on the upper surface of the box member 26 using a monitor support tool 70.
  • the monitor 65 can be configured using, for example, a flat liquid crystal display device, an organic EL display device, or a tablet terminal. The position and orientation of the monitor 65 can be freely adjusted by moving the monitor support 70.
  • On the monitor 65 for example, a specific procedure and method of visual inspection can be displayed as an image or text.
  • the monitor 65 displays the same image as that displayed on the display element 240 of the head mounted display 2 or displays an image captured by the imaging element 340 of the head mounted display 2.
  • the monitor 65 may be a monitor with an audio output function, and audio guidance may be performed while displaying specific procedures and methods of visual inspection as images.
  • the elbow rest 66 is attached to the support 62.
  • the elbow rest 66 supports the user's elbow by the user who uses the head mounted display 2 attached to the attached portion 22 of the support device 3, and supports the user's elbow, and stabilizes posture and reduces fatigue. Is intended.
  • the stand unit 21 has a function of adjusting the height of the elbow rest 66 (hereinafter referred to as “second height adjustment mechanism”).
  • the second height adjusting mechanism adjusts the height of the elbow rest 66 by moving the elbow rest 66 in the height direction of the stand portion 21.
  • the elbow rest 66 is driven integrally with the stand unit 21 in the vertical direction.
  • the first height adjustment mechanism 64 also serves as the second height adjustment mechanism.
  • the appropriate height of the elbow rest 66 may change depending on the height of the user or the length of the arm. For this reason, you may employ
  • the mechanism (2nd height adjustment mechanism) which adjusts the height of the elbow stand 66 was illustrated as a mechanism which adjusts the position of the elbow stand 66 here, not only this but the elbow stand 66 It is also possible to adopt a configuration in which the position of the lens can be adjusted in the horizontal direction, the depth direction, and the direction inclined with respect to the horizontal plane.
  • the chin rest 67 is attached to the elbow rest 66.
  • the chin rest 67 is disposed at an end on the front side of the elbow rest 66 as viewed from the user side who wears the head mounted display 2 on the head.
  • the chin rest 67 supports the user's chin and stabilizes the position of the head when the user who wears the head mounted display 2 on the head places the chin.
  • the chin rest 67 is attached to the elbow rest 66 through a mechanism 69 for adjusting the height of the chin rest 67 (hereinafter referred to as “third height adjusting mechanism”) 69.
  • the third height adjustment mechanism 69 has an extendable rod portion 69a and a height adjustment knob 69b.
  • the chin rest 67 is attached to the upper end of the rod portion 69a.
  • the adjustment knob 69b is disposed at the lower end of the rod portion 69a.
  • the rod portion 69a expands / contracts according to the rotation direction and the rotation amount of the adjustment knob 69b, and the chin rest is accordingly adjusted. 67 moves up and down.
  • a mechanism for adjusting the position of the chin rest 67 a mechanism for adjusting the height of the chin rest 67 (third height adjustment mechanism 69) is illustrated, but the present invention is not limited to this, and the position of the chin rest 67. It is also possible to adopt a configuration in which the angle can be adjusted in the horizontal direction, the depth direction, and the direction inclined with respect to the horizontal plane.
  • the head mounted display unit 1 according to the embodiment of the present invention is configured such that the head mounted display 2 originally used in a movable type can be used in a stationary type. Therefore, hereinafter, a procedure in the case of using the head mounted display 2 in a stationary type will be described.
  • This use procedure includes a first stage in which the head mounted display 2 is mounted on the support device 3 and a second stage in which the head mounted display 2 is mounted on the user's head.
  • a specific procedure at each stage will be described.
  • the head mounted display 2 is attached to the attached portion 22 of the support device 3. Specifically, the main body portion 5 is placed on the receiving plate portion 35 of the second receiving member 25 with the mounting device 6 removed from the head mounted display 2, and the head mounted display is attached to the attached portion 22 by the two belts 41 and 42. 2 is fixed. At that time, the belts 41 and 42 are appropriately tightened. Then, the contact portion 32 c of the first receiving member 24 contacts the intermediate portion 8 of the head mounted display 2, and the positioning portion 38 of the second receiving member 25 contacts the front portion 7 of the head mounted display 2. Thereby, the head mounted display 2 is positioned and attached to the attached portion 22. Further, the head mounted display 2 is supported in a forward inclined posture according to the inclination of the receiving plate portion 35 of the head mounted display 2.
  • the forward tilt posture refers to a state in which the optical axis 280a of the optical system shown in FIG. 2 is tilted forward and downward as viewed from the eyeball position.
  • the tilt angle of the optical axis is defined as the forward tilt angle of the head mounted display 2 with reference to the virtual horizontal plane orthogonal to the central axis of the support column 62 of the stand unit 21, the forward tilt angle is preferably 5 degrees. As described above, it may be set under the condition of 70 degrees or less, more preferably 15 degrees or more and 60 degrees or less, more preferably 25 degrees or more and 50 degrees or less.
  • the user mounts the head mounted display 2 supported in the forward tilted posture on the head the user's head is tilted forward according to the forward tilted posture of the head mounted display 2. For this reason, when the user looks straight into the left and right viewing windows of the head mounted display 2 from the front, the user's line of sight also tilts forward and obliquely downward.
  • the head mounted display 2 is mounted on the user's head.
  • the height of the stand part 21 of the support device 3 is adjusted as necessary.
  • the user sits on a chair so as to face the rear portion 9 of the head mounted display 2 and wears the head mounted display 2 on the head.
  • the position of the chin rest 67 is preferably retracted downward in advance so that the chin rest 67 does not get in the way.
  • the user causes his / her head to enter the inside of the main body 5 in accordance with the position of the head mounted display 2. Thereby, the head-mounted display 2 is put on the user's head.
  • the user determines the position of the head by pressing the forehead against the pad portion of the main body 5 and looking into the left and right viewing windows.
  • the position of the head is determined in this way, the position of the chin rest 67 is moved upward while maintaining that state, and the chin rest 67 is put on the user's chin.
  • the position (height) of the chin rest 67 can be adjusted by rotating the adjustment knob 69b. Thereby, the relative positional relationship between the main body 5 of the head mounted display 2 and the user's head is determined.
  • the operation of the adjustment knob 69b may be performed by the user who is the subject or by the examiner.
  • the user rotates the first rotary knob 11 and the second rotary knob 12 as appropriate while looking into the two viewing windows of the head-mounted display 2, thereby aligning the center position of the optical system with the pupil center position.
  • the distance from the pupil position to the front lens position of the optical system is adjusted.
  • an image for alignment may be displayed on the display element 240 described above, and the user may appropriately rotate the first rotary knob 11 and the second rotary knob 12 while viewing the image.
  • the image data of the eyeball 100 imaged by the image sensor 340 is sent to an external terminal device, and the examiner (person other than the user) moves the first rotary knob 11 and the second rotary knob 12 while looking at the screen of the terminal device. It may be rotated as appropriate, or the examiner may instruct the user how to adjust.
  • the visual field inspection can be performed with the head mounted display 2 attached to the support device 3.
  • the user who is the subject puts his elbow on the elbow rest 66.
  • the response switch 68 is pressed when the visual field inspection target displayed on the display surface of the display element 240 is seen.
  • the attached portion 22 to which the head mounted display 2 is attached is supported by a plurality of coil springs 53 provided on the support portion 23 so as to be movable in any direction. Yes.
  • the head mounted display 2 can be moved integrally with the attached portion 22 using the elastic force of the coil spring 53.
  • the movement of the head of the user wearing the head mounted display 2 is allowed.
  • the relative positional deviation between the main body 5 of the head mounted display 2 and the user's head is also suppressed.
  • each coil spring 53 acts on the user who wears the head mounted display 2 on the head. For this reason, the position of the user's head can be stabilized using the elastic force of the coil spring 53. Further, when the user wearing the head mounted display 2 moves the head, the balance of the elastic forces of the plurality of coil springs 53 is lost. As a result, a user who wears the head mounted display 2 has a force to return the head mounted display 2 to the home position. For this reason, even when the user moves the head during the visual field inspection, the head mounted display 2 can be returned to the original home position.
  • the head mounted display 2 can be used in a stationary manner by attaching the head mounted display 2 to the support device 3. Further, since the weight of the head mounted display 2 is supported by the support device 3, the weight of the head mounted display 2 is not added to a user who wears the head mounted display 2 on the head. For this reason, a user's physical burden can be reduced. Furthermore, in the embodiment of the present invention, the attached portion 22 to which the head mounted display 2 is attached is supported by a plurality of coil springs 53 provided on the support portion 23 so as to be movable in any direction. For this reason, the user can move the head appropriately using the elastic force of each coil spring 53 with the head mounted display 2 mounted on the head.
  • the physical burden on the user can be further reduced as compared with the case where the head mounted display is attached to the fixing device described above to fix the movement of the user's head. For this reason, for example, when the head mounted display 2 is used as an eye inspection device such as a visual field inspection device, even if the subject is a child or an elderly person, the eye inspection is performed without imposing a burden on the subject. Is possible. Moreover, since the head mounted display 2 can be attached to and detached from the support device 3, the head mounted display 2 can be used in either a movable type or a stationary type.
  • the attached portion 22 to which the head mounted display 2 is mounted is elastically supported by the support portion 23. For this reason, the position of the head of the user wearing the head mounted display 2 can be stabilized.
  • the support mechanism 20 is arranged at a predetermined height by the stand portion 21 . Therefore, by arranging the support mechanism 20 at a height suitable for the height of the user, the user can easily attach the head mounted display 2 supported by the support mechanism 20 to the head.
  • a configuration including a mechanism for adjusting the height of the stand portion 21 (first height adjusting mechanism 64) is employed.
  • the support mechanism 20 can be arrange
  • a configuration including an elbow rest 66 for supporting an elbow of a user who wears the head mounted display 2 on the head is employed. For this reason, the posture of the user wearing the head mounted display 2 can be stabilized. In addition, the physical burden on the user can be reduced.
  • a configuration including a chin rest 67 for supporting the jaw of the user who wears the head mounted display 2 on the head is employed. For this reason, the position of the head of the user wearing the head mounted display 2 can be stabilized. Moreover, the relative position shift of the main-body part 5 of the head mounted display 2 and a user's head can be suppressed.
  • a configuration including a mechanism for adjusting the position of the chin rest 67 is employed. For this reason, it is possible to appropriately adjust the position of the chin rest 67 according to the size of the head of the user who uses the head mounted display 2.
  • the head mounted display 2 when the head mounted display 2 is attached to the attached portion 22 of the support device 3, a configuration is adopted in which the head mounted display 2 is supported in a forward inclined posture. For this reason, the user who uses the head mounted display 2 can support the weight of the head by placing a forehead on the pad portion inside the front portion 7. Therefore, the user can use the head mounted display 2 in a posture with less burden.
  • the plurality of coil springs 53 are used to elastically support the attached portion 22 by the support portion 23.
  • the elastic member is not limited to the coil spring 53, and rubber may be used, for example.
  • a spring and rubber may be used in combination.
  • a spring other than the coil spring 53 made of a tension coil spring for example, a compression coil spring may be used, or a compression coil spring and a tension coil spring may be used in combination.
  • the support portion 23 may be configured using a moving stage mechanism (for example, a linear motion stage) that can move in a predetermined direction against the elastic force of an elastic member such as a spring.
  • the support portion may support the attached portion to which the head mounted display is attached in a state where it is suspended by at least one elastic member such as a coil spring or a rubber belt. Moreover, the structure which supports a to-be-attached part so that a movement is possible may be sufficient, without using an elastic member.
  • the to-be-attached part 22 when supporting the to-be-attached part 22 so that a movement was possible, it was set as the structure which supported the to-be-attached part 22 so that a movement was possible in arbitrary directions, but the to-be-attached part 22 moves only to one direction.
  • the structure which can be possible may be sufficient, and the structure which can move to two directions or more than three directions may be sufficient.
  • the type in which the support device 3 is installed and used on the floor surface has been described as an example.
  • the present invention is not limited to this.
  • a type that is installed and used on a table may be used.
  • the user mounts the head mounted display 2 while sitting on a chair.
  • the height of the stand unit 21 is set so that the user can use the head mounted display 2 while standing. Also good.
  • the configuration in which the support device 3 is provided in the elbow rest 66 is shown.
  • the handlebar is intended to stabilize posture and reduce fatigue by the user using the head mounted display 2 holding the handlebar.
  • the response switch 68 may be attached to the handle bar so that the user can easily operate the response switch 68, or the response switch 68 may be attached near the handle bar.
  • the support device 3 is configured to include a support mechanism 20 and means (for example, a fixing bracket) for fixing the support mechanism 20 to a wall of a building or the like.

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  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
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Abstract

Lorsqu'un dispositif affichage lourd à monter sur la tête est monté pour être utilisé sur la tête de l'utilisateur, le poids du dispositif d'affichage monté sur la tête est appliqué au cou et aux épaules de l'utilisateur, ce qui augmente la charge physique sur l'utilisateur. Une unité de dispositif d'affichage montée sur la tête 1 selon la présente invention comprend : un dispositif affichage à monter sur la tête 2 monté pour être utilisé sur la tête de l'utilisateur; et un instrument de support de dispositif d'affichage monté sur la tête 3 pour supporter le dispositif d'affichage monté sur la tête 2. L'instrument de support de dispositif d'affichage monté sur la tête 3 comprend un mécanisme de support 20 sur lequel le dispositif d'affichage monté sur la tête 2 est monté amovible et qui supporte le dispositif d'affichage monté sur la tête 2 monté sur celui-ci, de telle sorte que le dispositif d'affichage monté sur la tête peut se déplacer dans au moins une direction.
PCT/JP2018/012687 2017-04-04 2018-03-28 Instrument de support de dispositif d'affichage monté sur la tête et unité de dispositif d'affichage montée sur la tête Ceased WO2018186251A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-074372 2017-04-04
JP2017074372A JP2018175011A (ja) 2017-04-04 2017-04-04 ヘッドマウントディスプレイ支持器具およびヘッドマウントディスプレイユニット

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WO2018186251A1 true WO2018186251A1 (fr) 2018-10-11

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PCT/JP2018/012687 Ceased WO2018186251A1 (fr) 2017-04-04 2018-03-28 Instrument de support de dispositif d'affichage monté sur la tête et unité de dispositif d'affichage montée sur la tête

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4548832A1 (fr) 2023-11-01 2025-05-07 Topcon Corporation Dispositif de mentonnière et appareil ophtalmologique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121666A (ja) * 1988-10-31 1990-05-09 Shimadzu Corp 手術台
JPH08131399A (ja) * 1994-11-07 1996-05-28 Olympus Optical Co Ltd 内視鏡用画像表示システム
JP2010233745A (ja) * 2009-03-30 2010-10-21 Honda Motor Co Ltd 脳機能計測装置
JP2014010443A (ja) * 2012-07-02 2014-01-20 Tomoki Kageyama 表示装置内部のデジタル著作物の保護
WO2016072272A1 (fr) * 2014-11-04 2016-05-12 株式会社クリュートメディカルシステムズ Dispositif d'examen de la vue, et dispositif d'affichage type visiocasque

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02121666A (ja) * 1988-10-31 1990-05-09 Shimadzu Corp 手術台
JPH08131399A (ja) * 1994-11-07 1996-05-28 Olympus Optical Co Ltd 内視鏡用画像表示システム
JP2010233745A (ja) * 2009-03-30 2010-10-21 Honda Motor Co Ltd 脳機能計測装置
JP2014010443A (ja) * 2012-07-02 2014-01-20 Tomoki Kageyama 表示装置内部のデジタル著作物の保護
WO2016072272A1 (fr) * 2014-11-04 2016-05-12 株式会社クリュートメディカルシステムズ Dispositif d'examen de la vue, et dispositif d'affichage type visiocasque

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