[go: up one dir, main page]

WO2025068048A1 - Dispositif de lecture de code et/ou de vérification de code - Google Patents

Dispositif de lecture de code et/ou de vérification de code Download PDF

Info

Publication number
WO2025068048A1
WO2025068048A1 PCT/EP2024/076418 EP2024076418W WO2025068048A1 WO 2025068048 A1 WO2025068048 A1 WO 2025068048A1 EP 2024076418 W EP2024076418 W EP 2024076418W WO 2025068048 A1 WO2025068048 A1 WO 2025068048A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
light
code
verification device
code reading
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.)
Pending
Application number
PCT/EP2024/076418
Other languages
German (de)
English (en)
Inventor
Harald Richter
Andreas HARMEL
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.)
Intelligente Optische Sensoren und Systeme GmbH IOSS
Original Assignee
Intelligente Optische Sensoren und Systeme GmbH IOSS
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
Priority claimed from DE102023126637.3A external-priority patent/DE102023126637A1/de
Priority claimed from DE202023105685.7U external-priority patent/DE202023105685U1/de
Application filed by Intelligente Optische Sensoren und Systeme GmbH IOSS filed Critical Intelligente Optische Sensoren und Systeme GmbH IOSS
Publication of WO2025068048A1 publication Critical patent/WO2025068048A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • A61B90/98—Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders

Definitions

  • the invention relates to a code reading and/or code verification device, in particular for medical and/or surgical instruments as well as medical-technical articles and implants, according to claim 1 and a code reading and/or code verification device according to claim 15.
  • WO 2021/009059 A2 discloses a passive illumination device as a removable attachment for an image sensor, which makes such markings and/or codes more easily legible.
  • the illumination device is intended to provide diffuse illumination of an illuminated area.
  • Code readers in the medical and/or surgical field also have higher requirements regarding their cleanability.
  • the object of the invention is, in particular, to provide a code reading and/or code verification device with improved efficiency. This object is achieved according to the invention by the features of claims 1 and 15, while advantageous embodiments and further developments of the invention can be found in the subclaims.
  • a code reading and/or code verification device is proposed, in particular for medical and/or surgical instruments as well as medical-technical objects and implants, comprising: a light source unit, a diffuser unit which is intended to convert light provided by the light source unit into at least substantially diffused illumination light for illuminating at least one illumination region, and a housing unit in which the light source unit and the diffuser unit are accommodated in an assembled state in a liquid-protected and preferably additionally dust-protected manner.
  • the inventive design allows a code reading and/or code verification device to be provided with improved efficiency, particularly with regard to rapid recognition of a marking and/or a code, with regard to cleanability and/or low cost.
  • the code reading and/or code verification device can enable extremely simple handling and integration. Furthermore, it can be manufactured very cost-effectively.
  • the code reading and/or code verification device can be a part, in particular a subassembly, or an accessory of a code reading and/or code verification device. Alternatively, the code reading and/or code verification device can also form the entire code reading and/or code verification device.
  • the code reading and/or code verification device can be intended for use in a doctor's office and/or in a hospital and/or in a care facility and/or by a service provider and/or a disinfection and/or sterilization department in which medical and/or surgical instruments must be regularly identified, for example before and/or after disinfection and/or sterilization or, for example, for assembling preferably predefined instrument sets, for example for a specific treatment, in particular dental treatment, and/or for a surgical procedure.
  • the code reading and/or code verification device can be provided to detect and/or analyze and/or read and/or decode and/or verify markings and/or codes, for example matrix codes, on and/or on objects, preferably medical, for example dental, and/or surgical instruments, and can have an image sensor for this purpose.
  • the markings and/or codes can preferably be those that are arranged or introduced directly onto the object, for example using a laser marking process.
  • the object can be at least partially metallic and/or have a shiny and/or curved surface in an area of the marking and/or code.
  • the housing unit is sealed and protects the components accommodated therein, in particular the light source unit and the diffuser element, from liquid, for example water and/or cleaning and/or disinfectant agents, with which the housing unit may come into contact for cleaning and/or disinfection purposes.
  • the housing unit offers protection at least against dripping liquid, in particular dripping water, preferably at least against spray liquid, in particular spray water, advantageously at least against jet liquid, in particular jet water, and particularly preferably at least against temporary Immersion in liquid, particularly water.
  • the housing unit preferably has at least protection class IP X2, advantageously at least protection class IP X4, and preferably at least protection class IP X6, particularly according to DIN EN 60529.
  • the housing unit has at least protection class IP 67 or even protection class IP 68, particularly according to DIN EN 60529, thereby achieving a particularly high level of protection against liquids. This can particularly advantageously increase user comfort.
  • the light source unit has at least one and preferably a plurality of light sources, for example in the form of LEDs.
  • the light color of the light source or light sources can be selected depending on the application. It would also be conceivable for the light sources to be designed to emit different light spectra.
  • the light source unit preferably has an illumination circuit board on which the at least one or more light sources can be arranged.
  • the diffuser unit can be provided to convert light passing through the diffuser unit into diffuse scattered light, preferably the at least substantially diffuse illumination light.
  • the diffuser unit is preferably provided to provide dome lighting.
  • the diffuser unit is preferably provided to provide illumination that is free of significant intensity minima, in particular of more than 20% compared to an average value, with respect to a light intensity from a specific propagation direction.
  • the illumination light should be "at least substantially diffuse” should be understood in particular to mean that the illumination light leaves the diffuser element with a uniform or substantially uniform angular distribution in at least one solid angle range which is at least 1 TT, preferably at least 1.5 TT and particularly advantageously at least substantially 2 TT, wherein a light intensity along any propagation direction within the solid angle range deviates by at most 20%, in particular by at most 10% and advantageously by at most 5% from an average light intensity along all propagation directions.
  • the solid angle range deviates from 2TT by at most 20%, advantageously by at most 15% and particularly advantageously by at most 10%.
  • the diffuser unit can comprise at least one diffuser element with at least one scattering shell for scattering the light, whereby diffuse lighting can be advantageously and easily provided. It can be a purely passive component. can be provided which in particular enables simple assembly, preferably without adjustment.
  • the diffuser unit, preferably the diffuser element and particularly preferably the scattering shell comprises at least one translucent material and is advantageously formed from such a material.
  • the translucent material preferably has a scattering factor of at least 50%, advantageously of at least 70% and particularly advantageously of at least 90%, wherein a “scattering factor” of a body can be understood as a ratio of a scattered light intensity, that is to say in particular an intensity of the scattered light, on an output side of the body to an input light intensity on an input side of the body.
  • a scattering factor of a body can be understood as a ratio of a scattered light intensity, that is to say in particular an intensity of the scattered light, on an output side of the body to an input light intensity on an input side of the body.
  • a theoretical, perfectly transparent material has a scattering factor of zero.
  • Translucent materials can also be referred to as “milky glass”. It would be conceivable for the diffuser unit to have further opaque subregions.
  • the diffusion shell preferably comprises at least one translucent material and is particularly preferably formed entirely from the translucent material.
  • the diffusion shell can have a preferably uniform, concave shape when viewed from the illumination area.
  • the diffusion shell can define a solid angle range from which the diffuse illumination light strikes the illumination area.
  • the solid angle range is preferably at least 1 TT, more preferably at least 1.5 TT and particularly advantageously at least substantially 2 TT.
  • the diffusion shell can have at least one passage which is intended to allow light coming from the illumination area, in particular light reflected from at least one object arranged in the illumination area, to pass through in order to provide a recording. It would be conceivable for the passage to comprise at least one transparent or semi-transparent material.
  • the passage is preferably designed as a recess in the diffusion shell.
  • the scattering bowl could have at least one inner surface, which can be designed as a partial surface of an imaginary ovoid, for example an imaginary sphere.
  • a "partial surface of the ovoid" in this context is to be understood in particular as a part of a surface of the ovoid, which can be bowl-shaped.
  • the ovoid has at least one axis of symmetry, which advantageously runs through the passage and in particular through a centroid of the passage.
  • a solid angle range of the diffuse illumination light can be increased in a structurally simple manner.
  • the scattering bowl it would be conceivable for the scattering bowl to have at least one inner surface, which can be designed as a partial surface of an imaginary cylinder or an imaginary cone, preferably a vertical cone.
  • a "partial surface of the cylinder” is understood to mean, in particular, a portion of a lateral surface of the cylinder which, when viewed along a longitudinal axis of the cylinder, has a bowl-shaped cross-section.
  • a “partial surface of the cone” is understood to mean, in particular, a bowl-shaped portion of a lateral surface of the cone and, advantageously, the entire lateral surface of a truncated cone formed from the cone.
  • the diffuser unit can have at least one optical element which is intended to deflect light provided by at least one light source of the light source unit and/or diffuse scattered light generated from this light towards the illumination region, preferably as diffuse illumination light.
  • the fact that the optical element is intended to "deflect" light can be understood to mean that the optical element changes a direction of travel of light passing through the optical element, preferably by at least one reflection.
  • the optical element could be designed as a mirror or an optical waveguide. This allows the design of the diffuser unit to be adapted to different arrangements and/or orientations of the light source unit.
  • a second light source unit can be dispensed with.
  • the optical element can be designed to reflect all light incident on the optical element.
  • the optical element can be designed to transmit light reflected from the illumination region at least partially, preferably at least to a fraction of 50% of its intensity, preferably free of scattering processes and/or reflections.
  • the optical element can contribute to generating a beam path that leads from the light source unit via a deflection on the optical element to the illumination region and via a reflection in the illumination region and a passage through the optical element to the image sensor.
  • the optical element is preferably arranged behind the passage of the scattering shell.
  • the optical element has at least one absorption element designed to absorb a portion of the light transmitted during the deflection of the light provided by the light source unit and/or the diffuse illumination light to the illumination region, in order to prevent the influence of unwanted light, in particular stray light, on the detector unit.
  • the absorption element is designed as a coating.
  • the absorption element could also be designed as a different, preferably plate-shaped element. It would also be conceivable for the absorption element to be designed separately from the optical element.
  • the absorption element preferably has a refractive index that is identical to a refractive index of a remaining optical element in order to prevent reflection of the transmitted light component at the absorption element. This makes it possible to illuminate the illumination region starting from the passage of the scattering shell, thus achieving a gap-free solid angle range of the diffuse illumination light.
  • the optical element has at least one semi-transparent mirror, whereby the installation space required by the optical element can be advantageously reduced and the design of the optical element can be simplified.
  • an illumination adjustment between the reflected and diffuse channel can advantageously be omitted, since this adjustment can already be determined by the design.
  • closed dome lighting can be provided.
  • the deflection and transmission of light can be provided jointly by a partial region of the optical element. It would be conceivable for the optical element to be designed entirely as a semi-transparent mirror. Alternatively, the optical element could have a reflective region and a transparent region spaced from the reflective region.
  • the optical element is preferably designed as a beam splitter cube, and the diffuser element has at least one receptacle for the form-fitting mounting of the optical element.
  • a "beam splitter cube” can be understood as a cubic element having at least one semi-transparent mirror, which forms, for example, a side surface of the element and preferably a diagonal surface of the element.
  • the absorption element forms a coating of a side surface of the optical element.
  • the receptacle can have at least one protruding edge and/or at least one frame and/or at least one recess formed as a negative of the object. This can, in particular, simplify assembly of the optical element in a structurally simple manner.
  • the optical element can be attached to the diffuser element by a simple plug-in process. Alternatively, the optical element could be attached by at least one snap connection. and/or screw connection and/or adhesive connection to the diffuser element.
  • the diffuser unit and preferably the diffuser element can have at least one partial region which is intended to feed light provided by the light source unit into the optical element.
  • the partial region could be designed as a further optical element of the diffuser unit and separate from the diffuser element.
  • the further optical element could be designed identically to the optical element.
  • the fact that the partial region "feeds" light into an element should be understood in particular to mean that the partial region contributes, through at least one reflection and/or transmission and/or scattering, to the light provided by the light source unit entering the element.
  • the diffuser unit has at least one further partial region which comprises a translucent material and is arranged between the partial region and the optical element. This allows the imaging quality of the image to be improved in a structurally simple manner.
  • the optical element is arranged behind the passage, additional light sources for feeding light into the optical element can be dispensed with.
  • the sub-region could feed all of the light provided by the light source unit into the optical element.
  • the sub-region may be additionally provided to feed light provided by the light source unit into the diffusion shell.
  • the sub-region has a surface which transmits a portion of the light provided by the light source unit, preferably scatters it diffusely, and reflects a further portion of the light provided by the light source unit.
  • the surface could have at least one recess through which the light provided by the light source unit can be fed into the diffusion shell. In this case, a number and/or size of recesses in the surface could be adapted to achieve a desired transmittance of the surface.
  • the diffuser unit may comprise at least one filter element, which is intended to adapt the light provided by the light source unit in order to homogenize the diffuse illumination light.
  • the filter element reduces and/or scatters a light intensity of a light component of the light provided by the light source unit that does not enter the partial area, so that the The light intensity of the light component downstream of the filter unit is identical to the light intensity of the light component reflected at the partial area, and a homogeneous light intensity of the diffuse illumination light is ensured.
  • the filter element can be disc-shaped, plate-shaped, and/or film-like.
  • the filter element could be designed as a ring film. It would also be conceivable for the diffuser unit to have a dedicated filter element for each light source of the light source unit. This makes it possible to achieve a gap-free solid angle range of the diffuse illumination light.
  • the diffuser bowl prefferably be attached to a remaining diffuser element by at least one snap connection and/or plug connection and/or adhesive connection and/or screw connection.
  • the diffuser element is formed in one piece, in particular as a single part. “Integral” should be understood to mean at least a materially bonded connection, for example by a welding process, an adhesive process, an injection molding process and/or another process that appears appropriate to a person skilled in the art. “Integral” should be understood to mean formed in one piece.
  • This one piece is preferably produced from a single blank, a mass and/or a cast, for example in an injection molding process, in particular a single- and/or multi-component injection molding process.
  • the diffuser element can be produced by an additive manufacturing process, for example by a 3D printing process. This makes it possible to reduce the number of components. Furthermore, the number of process steps for producing the diffuser element can be reduced. In addition, the design of the diffuser element can be easily adapted without the need for complex changes to the manufacturing process.
  • the diffuser unit and preferably the diffuser element, can have an outer wall that completely encloses the diffuser bowl.
  • the outer wall comprises at least one opaque material, which can reduce the loss of light intensity. It would be conceivable for the outer wall to be made entirely of the opaque material.
  • the housing unit has a stand for installation on a work surface, with the lighting area arranged in a stand position above the housing unit, particularly convenient operation can be achieved by holding the codes to be read and/or verified from above in front of the code reading and/or code verification device.
  • the reading and/or code verification device can thus be used as a stationary unit.
  • the installation unit can have at least one installation element, preferably in the form of a stand and/or rubber foot.
  • the installation unit preferably has at least three installation elements, in particular stands and/or rubber feet.
  • the feet can be made of soft PVC, for example.
  • the work surface can be part of a table and/or worktop, for example in a doctor's office and/or in a hospital and/or in a care facility and/or at a service provider and/or in a department for disinfection and/or sterilization.
  • the housing unit advantageously has at least one window element which is intended to release the diffuse illumination light into the illumination area. This can ensure particularly effective sealing of the housing unit.
  • the window element can be designed as a sapphire glass.
  • the housing unit can have an at least partially opaque aperture element which can be arranged in front of or behind the window element when viewed from the illumination area and which can restrict a light-permeable area of the window element, preferably to identify an effective detection area of the image sensor for a user. This allows the marking and/or the code to be detected to be placed in the correct area more quickly.
  • the aperture element can have a light transmission opening which can preferably be rectangular.
  • the housing unit has a holding unit for holding the window element, which allows removal and replacement of the window element, preferably without tools, whereby the window element can be easily removed, in particular in the event of damage and/or scratching and/or for cleaning purposes.
  • the holding unit can in particular have a clamping element, which can be designed as a screw cap or as a bayonet lock cap and by means of which the window element can be clamped, preferably pressed against a window sealing element of the holding unit.
  • the clamping element can have a recess through which the illumination light can exit the housing unit.
  • the housing unit may comprise a first housing part, a second housing part and a sealing element which, in the assembled state, seals the first housing The first part and the second housing part are sealingly connected to one another. This allows advantageous access to the interior of the housing unit. Furthermore, assembly can be simplified and reliable fluid protection can be ensured.
  • the first housing part and the second housing part are connectable to one another along an axial direction, wherein the axial direction could be aligned parallel to an optical axis of the image sensor and/or the diffuser unit and/or the light source unit and/or the window element.
  • the axial direction is perpendicular to the window element.
  • the first housing part and the second housing part can preferably be screwed to one another along the axial direction, wherein, in the assembled state, the screw connection clamps the sealing element between the first housing part and the second housing part.
  • An envelope of an outer contour of the first housing part and/or an envelope of the second housing part is preferably rotationally symmetrical with respect to an axis of rotational symmetry parallel to the axial direction and/or the optical axis.
  • the sealing element is annular, in particular circular, and extends in the circumferential direction of the housing unit with respect to the axial direction.
  • the second housing part could have a greater extent than the first housing part.
  • the first housing part and/or the second housing part could be made of metal, for example aluminum.
  • the first housing part is preferably designed as a housing base, and the support unit is preferably arranged on the first housing part.
  • the first housing part could be bowl-shaped, particularly preferably with a circular base.
  • the second housing part is preferably designed as a housing cover.
  • the second housing part could be sleeve-shaped and, in particular, be completely hollow when viewed parallel to the axial direction.
  • the window element could be arranged adjacent to the second housing part in the assembled state.
  • the cover element is preferably arranged on the second housing part or formed by it.
  • the clamping element could be connected to the second housing part in the assembled state.
  • the second housing part could form a contact surface for the window sealing element, wherein the window sealing element could be arranged between the second housing part and the window element in the assembled state and wherein the second housing part could have a receptacle for the window sealing element.
  • the code reading and/or code verification device can have a light signal unit designed to output at least one light signal based on at least one operating parameter.
  • the light signal unit can be designed to use the light signal to indicate read readiness and/or readiness to accept and/or an initialization sequence and/or successful detection of a marking or code and/or failed detection of a marking or code and/or an error message.
  • Different operating parameters could be output by different light properties of the light signal, such as light colors, light intensities, light patterns, in particular flashing or pulsing or in the form of a running light, also in different colors, or temporal changes of the aforementioned.
  • Read readiness and/or readiness to accept is preferably indicated by a blue light signal.
  • Successful detection of a marking or code is preferably indicated by a green light signal. Failed detection of a marking or code is preferably indicated by a red light signal. It would be conceivable that a user could change and/or freely select the light signals, for example via a web browser.
  • the sealing element is at least partially transparent and preferably translucent for visible light and in particular for the light signal, wherein the light signal unit is intended to output the light signal via the sealing element.
  • the sealing element can perform a dual function, thereby saving components and simplifying assembly.
  • the sealing element can thus act like a light exit window and/or light guide and/or diffuser for the light signal.
  • the sealing element preferably consists of an at least partially transparent and preferably translucent silicone.
  • the code reading and/or code verification device can have a reflector unit, which is intended to at least partially homogenize the light signal and provide it to the sealing element. This can advantageously improve the light impression provided by the sealing element outside the housing unit, thereby increasing customer satisfaction.
  • the reflector unit is in the installed position and in In an operating state, the light signal unit is illuminated from below.
  • the reflector unit can be at least partially funnel-shaped.
  • the reflector unit can comprise or be formed from an electrically non-conductive material.
  • the reflector unit is preferably made of a relatively light non-conductor, for example ceramic and preferably plastic. Alternatively, it would be conceivable for the reflector unit to be constructed from a metallic material.
  • the reflector unit could comprise an electrically non-conductive substrate and a reflective metallic coating.
  • the code reading and/or code verification device and preferably the processing board to have a loudspeaker unit by means of which the operating parameters can also be output acoustically, for example in the form of signal tones or also in the form of spoken text.
  • the code reading and/or code verification device comprises a scanning module that, when mounted, is protected against liquids and preferably also dust in the housing unit. This enables reliable detection of markings and/or codes.
  • the scanning module preferably comprises the image recorder, which could, for example, have imaging optics and an image sensor, in particular a camera. Furthermore, the scanning module preferably has an evaluation unit, in particular a microprocessor, which is provided for evaluating information from the image sensor and particularly preferably for finding and/or recognizing and/or decrypting a marking and/or a code.
  • the scanning module can have an integrated or externally connectable hardware accelerator component, for example an FPGA, which can increase the evaluation speed.
  • the scanning module preferably has an interface for transmitting an evaluation result to another unit.
  • the scanning module is provided for controlling the light source unit and can have at least one control unit, in particular a microprocessor, for this purpose.
  • the scanning module could be provided to control all light sources of the light source unit simultaneously and/or only a selection of the light sources of the light source unit simultaneously. It would be conceivable that the The scanning module is designed to independently determine a number and/or arrangement and/or sequence and/or illumination time and/or illumination intensity and/or illumination frequency, as well as a temporal progression of the aforementioned illumination properties of the controlled light sources, for example based on ambient illumination and/or surface properties of the object to be scanned.
  • the scanning module is preferably designed to switch on the light source unit only when an object has been detected in the illumination area, for example due to darkening detected by the image sensor.
  • the scan module could be an OEM scan module, which can be integrated into the code reading and/or code verification device as a purchased part and can be modified if necessary, for example by replacing a light source unit, which can further reduce costs.
  • the code reading and/or code verification device can comprise a processing board which is electrically connected to the scanning module, preferably via the interface of the scanning module, for example serially, and which, in the mounted state, is accommodated in the housing unit in a liquid-proof and preferably additionally dust-proof manner.
  • the processing board can comprise a processing unit, in particular a microprocessor, which can be provided for format checking and/or modifying and/or adapting a result string, in particular of the scanning module.
  • the processing unit can be provided to suppress and/or replace individual characters or character sequences of the result string and/or to append prefix and/or suffix characters to the result string and/or to add control characters, in particular non-printable control characters, to the result string.
  • the processing unit is programmable, for example by a user via a web browser.
  • the processing board could include a hardware accelerator component, such as an FPGA, which can increase the evaluation speed of the scanning module.
  • the light signal unit is part of the processing board, which reduces the number of components and simplifies assembly.
  • the light signal unit can be controlled and/or programmed by the processing unit of the processing board.
  • the processing board can have a coupling unit for coupling to an external unit, for example, a personal computer and/or a server.
  • the coupling unit can enable, preferably bidirectional, data communication with the external unit and/or a power supply to the code reading and/or code verification device, preferably by the external unit. This makes it possible to make scan results available to the additional unit.
  • programming and/or adjustment of the processing board and/or the scanning module and/or the light source unit can be carried out by the external unit, for example, via a user interface in a web browser.
  • an advantageous power supply to the code reading and/or code verification device can also be enabled.
  • Data communication can be wireless, in particular via radio, for example via Bluetooth or Wi-Fi, and/or via near-field communication (NFC), and/or wired.
  • a USB connection is particularly advantageous because it allows power to be supplied simultaneously and with only one cable.
  • the coupling unit can accordingly have a USB interface for connecting to the external unit.
  • the coupling unit can also have an HID keyboard interface, so that an evaluation result in the external unit can be written directly to a cursor position selected there. It would be conceivable for country-specific keyboard layouts to be selectable by a user, for example, via the user interface in the web browser.
  • the coupling unit can have a virtual COM port, which can be selected as an alternative to the HID keyboard interface. In this case, a connection to the external unit can still be made via USB, but the code reading and/or code verification device can then behave as if it were connected via a serial interface.
  • the code reading and/or code verification device may have a partially layered structure, in which various components are arranged one above the other in the assembled state along the axial direction. In the installed position, the components are arranged in the following sequence from bottom to top: installation unit, processing board, reflector unit or scanning module, light source unit, diffuser unit, window element.
  • the reflector unit may be The reflector unit may be arranged partially overlapping the scanning module in the axial direction.
  • the reflector unit may have a recess for accommodating the scanning module.
  • intended means specifically programmed, designed, and/or equipped.
  • the term “intended” refers to an object being intended for a specific function, meaning that the object fulfills and/or performs that specific function in at least one application and/or operating state. "intended” does not mean mere suitability.
  • a “parallel” or “perpendicular” alignment should be understood not only to mean an exactly parallel or perpendicular alignment, but also an alignment with a deviation of up to 10°, in particular of up to 5° and preferably of up to 2° and/or an alignment taking into account usual manufacturing and/or assembly tolerances.
  • Fig. 1 shows a code reading and/or code verification device in an assembled state and in an installation position
  • Fig. 2 is an exploded view of the code reading and/or code verification device apparatus from a first direction;
  • Fig. 3 is an exploded view of the code reading and/or code verification device apparatus from a second direction;
  • Fig. 4 is a view of a diffuser element of the code reading and/or code verification device from a first direction
  • FIG. 5 shows a representation of the diffuser element from a second direction.
  • Figure 1 shows a code reading and/or code verification device for reading and/or verifying markings and/or codes on medical and/or surgical instruments in an assembled state.
  • the code reading and/or code verification device is part of a code reading and/or code verification device, which additionally has a personal computer or server (not shown) connected to the code reading and/or code verification device via a USB cable connection 80.
  • the code reading and/or code verification device is designed as a pure code reading device, and the code reading and/or code verification device is designed accordingly as a code reading device.
  • the following statements also apply accordingly to a code verification device or a code verification device.
  • the code reader device is intended for reading markings and/or codes on metallic, reflective and curved surfaces, in particular for reading markings and/or codes on medical and surgical instruments. In an operating state, these are to be arranged by a user in an illumination area 14 above the code reader device with the marking and/or code facing downwards. They are then diffusely illuminated and read by the code reader device. The information obtained is processed by the code reader device and provided to the personal computer or server via the USB cable connection 80.
  • the code reader device has a housing unit 16 in which components of the code reader device are housed in a liquid- and dust-proof manner when assembled.
  • the housing unit 16 has protection class IP 67. In further embodiments, it would be conceivable for the housing unit 16 to even have protection class IP 68.
  • the housing unit 16 essentially has the shape of two cylinders placed one above the other, with the smaller of the two cylinders being arranged on top in an installation position shown in Figure 1. An area between the two cylinders is provided with a smooth transition.
  • the housing unit 14 has an axial direction 44.
  • the axial direction 44 is aligned parallel to the center axes of the two cylinders.
  • An envelope of an outer contour of the housing unit 16 is rotationally symmetrical with respect to a rotational symmetry axis parallel to the axial direction 44.
  • the housing unit 16 has a window element 20, which is intended to release diffuse illumination light into the illumination region 14.
  • the illumination region 14 is arranged above the window element 20 in the installed position.
  • the window element is arranged at an upper end of the upper cylinder in the installed position.
  • the code reader device has an optical axis 46, which is parallel to the axial direction 44.
  • the optical axis 46 coincides with the central axes of the two cylinders.
  • the optical axis 46 is perpendicular to the window element 20.
  • the window element 20 is made of sapphire glass, but other suitable glasses would also be conceivable, for example Gorilla Glass® or BK7®.
  • Figures 2 and 3 show exploded views of the code reader device from two different directions.
  • the housing unit 16 has a first housing part 24, a second housing part 26, and a sealing element 28, which, in the assembled state, sealingly connects the first housing part 24 and the second housing part 26.
  • the first housing part 24 and the second housing part 26 can be connected to one another along the axial direction 44.
  • the first housing part 24 and the second housing part 26 are connected to one another along the axial direction 44 by means of mounting screws 84 of the housing unit 16, wherein only one of the mounting screws 84 is provided with a reference numeral in the figures.
  • the mounting screws 84 are aligned along the axial direction 44, penetrate the first housing part 24, and are screwed into the second housing part 26.
  • the sealing element 28 is clamped between the first housing part 24 and the second housing part 26.
  • the mounting screws 84 are countersunk into receiving holes in the first housing part 24.
  • the housing unit 16 comprises a mounting unit 18 for installation on a work surface, whereby the lighting area 14 is arranged above the housing unit 16 in the installation position shown in Figure 1.
  • the mounting unit 18 has rubber feet 82, which can be inserted into the receiving holes with a tight fit after the mounting screws 84 have been tightened (in Figures 2 and 3 only one of the rubber feet 82 is provided with a reference symbol).
  • the rubber feet seal the area surrounding the mounting screws 84 in a liquid-tight manner.
  • the rubber feet 82 ensure a secure, non-slip stand for the code reader device.
  • the support unit 18 can also have support feet made of a different material, for example, soft PVC.
  • An envelope of an outer contour of the first housing part 24 and an envelope of the second housing part 26 are rotationally symmetrical with respect to a rotational symmetry axis parallel to the axial direction 44.
  • the sealing element 28 is annular and, in the assembled state, extends in the circumferential direction of the housing unit 16 with respect to the axial direction 44 (see also Figure 1).
  • the second housing part 26 has a greater extent than the first housing part 24.
  • the first housing part 24 and the second housing part 26 are made of aluminum, although other materials, such as stainless steel, would also be conceivable.
  • the first housing part 24 is designed as a housing base on which the mounting unit 18 is arranged.
  • the first housing part 24 is bowl-shaped with a circular base.
  • the second housing part 26 is designed as a housing cover and is sleeve-shaped.
  • the second housing part 26 is completely hollow when viewed parallel to the axial direction 44.
  • the housing unit 16 comprises a holding unit 22 for holding the window element 20, which allows tool-free removal and replacement of the window element 20, in particular in the event of damage and/or scratching and/or for cleaning purposes.
  • the holding unit 22 has a clamping element 60, which is designed as a screw cap 62.
  • the screw cap 62 is circular in shape.
  • the screw cap 62 can be screwed onto an external thread 88 of the second housing part 26 and thus connected thereto.
  • the holding unit 22 comprises a window sealing element 64, which in the assembled state is arranged between the window element 20 and the second housing part 26.
  • the second housing part 26 has a receptacle 92 for the window sealing element 64 (see Figure 3), wherein the window sealing element 64 in the assembled state is arranged between the second housing part 26 and the window element 20.
  • the window element 20 can be clamped in place by means of the screw cover 62.
  • the window sealing element 64 is clamped in the assembled state between the second housing part 26 and the window element 20, whereby a liquid-tight seal is provided in this area.
  • the second housing part 26 has a diaphragm element 56 (see Figure 3), which, as viewed from the illumination area 14, is arranged behind the window element 20 and which restricts a light-permeable area of the window element 20. This makes it particularly easy for a user to identify an effective detection area, whereby the marking and/or code to be detected can be placed more quickly in the correct area.
  • the diaphragm element 56 is aligned parallel to the window element 20.
  • the diaphragm element 56 is arranged within the receptacle 92 for the window sealing element 64.
  • the diaphragm element 56 has a rectangular light transmission opening 58, although different shapes would also be conceivable.
  • the code reader device comprises a light source unit 10, a diffuser unit 12, a reflector unit 32, a scanning module 34, and a processing board 36, all of which are arranged within the housing unit 16 in a manner protected against liquids and dust. Furthermore, all other components of the code reader device are arranged within the housing unit 16 in a manner protected against liquids and dust.
  • the light source unit 10 has a plurality of light sources 94 in the form of LEDs, with only one of the light sources 94 being provided with a reference symbol in Figure 3.
  • the light sources 94 are identical to one another.
  • the light sources 94 are designed to emit white light, but other emission spectra are also conceivable, including different ones for the various light sources 94.
  • a design with only one light source 94 is also conceivable.
  • the light source unit 10 has an illumination board 96 on which the light sources 94 are arranged.
  • the illumination board 96 has a circular outer contour when viewed along the axial direction 44.
  • the light sources 94 are arranged in a ring shape and, in an operating state, emit their light toward the diffuser unit 12.
  • the light source unit 10 can be controlled by the scanning module 34, with the light sources 94 all being controlled together in this case. However, in alternative embodiments it would also be conceivable to control the light sources 94 individually or in groups.
  • the diffuser unit 12 is provided to convert the light provided by the light source unit 10 into diffused illumination light for illuminating the illumination area 14.
  • the diffuser unit 12 is a purely passive unit that has a diffuser element 40, which is described in detail below with reference to Figures 4 and 5.
  • the diffuser unit 12 further comprises filter elements 90 (see Figures 2 and 3), with one of the filter elements 90 being assigned to each light source 94. Alternatively, it would also be conceivable for a filter element 90 to be assigned to several or even all of the light sources 94.
  • the filter elements 90 are designed as diffuser foils.
  • the scan module 34 is an OEM scan module that is integrated into the code reader device as a purchased part.
  • the original illumination unit of the OEM scan module was replaced by the light source unit 10.
  • the illumination board 96 of the light source unit 10 is electrically connected to the scan module 34 via a plug connection (not shown).
  • the light source unit 10 is attached to the scan module 34 using a screw connection, although other fastening methods, such as a snap-in connection, are also conceivable.
  • the scanning module 34 includes an image pickup device (not shown) with imaging optics and an image sensor.
  • the scanning module 34 further includes an evaluation unit (not shown) for evaluating information from the image sensor and for recognizing and/or decoding the marking and/or code.
  • the scanning module 34 includes an integrated hardware accelerator component that increases the evaluation speed.
  • the scanning module 34 has a control unit (not shown) for controlling the light source unit 10.
  • the control unit is provided to control all light sources 94 of the light source unit 12 simultaneously.
  • the control unit it would be conceivable for the control unit to be provided to independently determine a number and/or an arrangement and/or a sequence and/or an illumination time and/or an illumination intensity and/or an illumination frequency as well as a temporal progression of the aforementioned illumination properties of the controlled light sources 94, for example based on a Ambient lighting and/or surface properties of the object to be scanned.
  • the control unit is designed to switch on the light sources 94 only when an object has been detected in the illumination area 14, either by darkening detected by the image sensor or, alternatively, by analyzing multiple image recordings and, for example, creating differential images.
  • the use of a dedicated photodiode to detect darkening or a proximity and/or motion sensor would also be conceivable.
  • the scanning module 34 has an interface 52 for transmitting an evaluation result to the processing board 36. In this case, the transmission takes place via a ribbon cable.
  • the code reader device has a mounting element 68.
  • the mounting element 68 is formed in one piece.
  • the mounting element 68 is made of plastic.
  • the mounting element 68 is plate-shaped in sections. Adjacent to a plate-shaped section 75 of the mounting element 68, the latter has a fastening section 77.
  • the fastening section 77 consists of two fastening sub-sections (see Figure 2), although a different number, in particular just one, would also be conceivable.
  • the fastening section 77 is oriented perpendicular to the plate-shaped section 75. In the assembled state, the plate-shaped section 75 is perpendicular to the axial direction 44. In the assembled state, the fastening section 77 is parallel to the axial direction 44.
  • the mounting element 68 has illumination recesses 69 through which the light sources 94 of the light source unit 10 can shine in the mounted state.
  • a number of the illumination recesses 69 are matched to a number of light sources 94, so that each of the light sources 94 is assigned exactly one of the illumination recesses 69. In alternative embodiments, several of the light sources 94 could also be arranged in one of the illumination recesses 69.
  • the illumination recesses 69 are covered by the filter elements 90, which are arranged, for example, glued, on the plate-shaped section 75.
  • the mounting element 68 has through-openings 79, of which only one is marked with reference numeral in the figures
  • the through-holes 79 serve to secure the diffuser element 40 using screws. More on this later.
  • other types of fastening would be conceivable in alternative designs.
  • the scanning module 34 is attached to the mounting element 68 by means of the fastening section 77, specifically by screwing (see Figure 2).
  • Alternative configurations could also include snap-in connections, plug-in connections, or combinations, particularly including a screw connection. Should the use of a different OEM scanning module be considered, the mounting element 68 would have to be adapted accordingly with regard to its fastening section 77.
  • the mounting element 68 itself is fastened to the second housing part 26.
  • the mounting element 68 has fastening recesses 81, only one of which is shown in the figures.
  • the fastening recesses 81 serve to pass through screws, which in turn can be screwed into threaded openings in the second housing part 26 (not shown).
  • other fastening types would also be conceivable here, as long as it is ensured that the scanning module 34, together with the light source unit 10 and the diffuser element 12, form a rigidly connected unit that is firmly fixed relative to the second housing part 26 and/or the window element 20.
  • the processing board 36 has a substantially circular outer contour, viewed along the axial direction 44, with a recess for a USB connector 98 (see Figure 3).
  • the processing board 36 is fixed to the first housing part 24.
  • the processing board 36 is screwed to the first housing part 24, although in alternative embodiments, a snap-in connection would also be conceivable.
  • the processing board 36 is electrically connected to the scanning module 34 via the interface 52 and the ribbon cable.
  • the processing board 36 has a processing unit (not shown) which is provided for checking the format of a result string of the scanning module 34 and for modifying or adapting the result string.
  • the processing unit can, for example, be provided to suppress and/or replace individual characters or character sequences of the result string and/or to append prefix and/or suffix characters to the result string and/or to add control characters, in particular non-printable control characters, to the result string.
  • the processing unit can be programmed by a user via a web interface of the processing unit.
  • the processing board 36 has a coupling unit 38 for coupling to the personal computer or server.
  • the USB connector 98 is part of the coupling unit 38.
  • the USB connector 98 is designed as a USB socket.
  • the first housing part 24 comprises a plug opening 99 for inserting a USB plug of the USB cable connection 80 (see Figures 1 and 3).
  • the USB socket has an O-ring that completely surrounds its plug opening to seal it off from the first housing part 24 (not shown). In the assembled state, this O-ring is pressed against an inner wall of the first housing part 24 that runs around the plug opening 99 to form a seal.
  • the processing board 36 has elongated holes (not shown) for attachment to the first housing part 24. During assembly, the processing board 36 can be pressed, particularly with a tool, toward the connector opening 99 after being inserted into the first housing part 24, thereby pressing the O-ring against the inner wall.
  • the USB connector 98 itself is specified as a protection class IP 67.
  • the code reader device is powered via the USB cable connection 80 and the USB connector 98.
  • the coupling unit 38 also allows bidirectional data communication with the personal computer or server.
  • the coupling unit 28 has an HID keyboard interface, allowing an evaluation result to be written directly to a selected cursor position on the personal computer or server.
  • Country-specific keyboard layouts can be selected by the user via the web interface.
  • the coupling unit includes a virtual COM port, which can be selected via the web interface as an alternative to the HID keyboard interface. In this case, the code reader device behaves as if it were connected to the personal computer or server via a serial interface.
  • the processing board 36 has a light signal unit 30 controlled by the evaluation unit, which is intended to output at least one light signal based on at least one operating parameter.
  • the light signal unit 30 has signal light sources 31.
  • the signal light sources 31 are designed as RGB LEDs.
  • the light signal light sources 31 are arranged in a ring along the processing board 36.
  • the light signal light sources 31 radiate outwards or alternatively upwards.
  • the use of the signal light sources 31 assigned Light guides are conceivable.
  • the use of only a single signal light source 31 would also be conceivable.
  • different arrangements and/or orientations of the signal light sources 31 would be conceivable.
  • the sealing element 28 is made of translucent silicone. Since the sealing element 28 is at least partially transparent to visible light, the light signal can be emitted by the light signal unit 30 via the sealing element 28. Thus, the sealing element 28 performs a dual function and is used not only as a seal but also as a light exit window, light guide, or diffuser for the light signal. The sealing element 28 thus forms a light ring along a circumferential direction of the housing unit 16 (see Figure 1).
  • the light signal unit 30 is designed to output an initialization sequence, a readability signal, successful detection of a marking or code, failed detection of a marking or code, and error messages using the light signal.
  • An initialization sequence is output by a regularly flashing blue light signal.
  • a readability signal is output by a continuous blue light signal.
  • Successful detection of a marking or code is indicated by a brief green light signal.
  • Failure to detect a marking or code is indicated by a brief red light signal.
  • Error messages are indicated by flashing red light signals, whereby different error codes can be transmitted using different flashing patterns.
  • alternative light signals are also conceivable.
  • the user can change and freely define the light signals via the web interface.
  • the reflector unit 32 is provided to at least partially homogenize the light signal and provide it to the sealing element 28.
  • the reflector unit 32 is illuminated from below by the light signal unit 30 in the installed position and in an operating state.
  • the reflector unit 32 is at least partially funnel-shaped.
  • the reflector unit 32 has a receptacle for the scanning module 34 and the ribbon cable.
  • the reflector unit 32 consists of a bright, highly reflective plastic, although other materials would also be conceivable.
  • the reflector unit 32 In the assembled state, the reflector unit 32 is connected to the processing board 36 by means of a plug connection, although other solutions would also be conceivable.
  • the diffuser unit 12 is described in detail below. Reference can also be made to WO 2021/009059 A2 by the same applicant, which discloses a substantially identical diffuser unit.
  • Figures 4 and 5 show representations of a diffuser element 40 of the diffuser unit 12 from two different directions.
  • the diffuser element 40 is made entirely of a translucent material.
  • the diffuser element 40 is made of polyamide.
  • the diffuser element 40 could be made of other materials deemed appropriate by those skilled in the art, such as other plastics, in particular ABS, PP, PU and/or PC, and/or quartz glass.
  • the diffuser element 40 is formed in one piece.
  • the diffuser element 40 is manufactured using a 3D printing process.
  • the diffuser element 40 has a scattering shell 42.
  • the scattering shell 42 serves to scatter the light provided by the light source unit 10 to provide at least a portion of the diffuse illumination light.
  • the scattering shell 42 has an inner surface 48.
  • the inner surface 48 is formed as a partial surface of an imaginary sphere.
  • the scattering tray 42 has a passage 50.
  • the passage 50 is intended to allow light reflected from the illumination region 14 to pass through to the scanning module 34 (see Figure 2).
  • the passage 50 is arranged in a region of the scattering tray 42 that is maximally spaced from the illumination region 14.
  • the passage 50 is formed as a recess in the scattering tray 42.
  • the diffuser element 40 has a casing 54.
  • the casing 54 has a cylindrical basic shape. When viewed from the illumination area 14, the casing 54 completely surrounds the diffuser bowl 42.
  • the casing 54 has screw holes 66, only one of which is provided with a reference numeral in Figure 5.
  • the screw holes 66 serve to fasten the diffuser element 40 to the mounting element 68 (see Figure 2).
  • the casing 54 could have insertion areas for nuts and/or snap elements and/or plug-in elements.
  • the diffuser unit 12 has an optical element 70 (see Figure 2).
  • the optical element 70 is intended to redirect diffuse illumination light, which is generated from light provided by two of the light sources 94 of the light source unit 10, towards the illumination area 14. Alternatively, the optical element 70 could redirect the light generated by the two and/or any of the light sources 94 of the light source unit 10.
  • the optical element 70 deflects the light provided by the source unit 10 toward the illumination area 14.
  • the optical element 70 deflects the diffuse illumination light by a single reflection.
  • the optical element 70 is intended to allow light reflected from the illumination area 14, which has in particular passed through the passage 50, to pass through.
  • the optical element 70 has a semi-transparent mirror 72.
  • the semi-transparent mirror 72 deflects a portion of the diffuse illumination light toward the illumination area 14.
  • the semi-transparent mirror 72 allows another portion of the diffuse illumination light to pass through.
  • the optical element 70 is designed as a beam splitter cube.
  • the semi-transparent mirror 72 forms a diagonal surface of the optical
  • the optical element 70 has an absorption element.
  • the absorption element is provided to absorb the further light component.
  • the absorption element is formed as a coating on one side of the optical element 70.
  • the absorption element has a refractive index that is identical to a refractive index of the remaining optical element.
  • the diffuser element 40 has a receptacle 74.
  • the receptacle 74 serves to positively hold the optical element 70 (see Figures 2 and 5).
  • the receptacle 74 is designed as a frame.
  • the receptacle 74 has an insertion opening matching the optical element 70.
  • the insertion opening defines an insertion direction along which the optical element 70 can be inserted into the receptacle 74.
  • the receptacle 74 is formed integrally with the diffuser shell 42. Alternatively, the receptacle 74 could be attached to the diffuser shell 42 by at least one snap connection and/or plug connection and/or adhesive connection.
  • the receptacle 74 is arranged behind the passage 50 when viewed from the illumination area 14.
  • the diffuser unit 12 has a partial region 76 (see Figure 5).
  • the partial region 76 is intended to feed the light provided by the two light sources 94 into the optical element 70. Alternatively or additionally, the partial region 76 could be intended to feed the light provided by any of the six light sources into the optical element 70.
  • the partial region 76 is formed as a part of the diffuser element 40.
  • the partial region 76 is formed as a surface element of the diffuser element 40.
  • the partial region 76 is arranged downstream of the light source unit 10 along the insertion direction. The partial region 76 contributes to the light provided by the light sources 94 at least partially being incident on the optical element 70.
  • the partial region 76 is additionally intended to feed the light provided by the The light source is designed to at least partially feed the light provided by the light source into the diffuser bowl 42.
  • the partial region 76 is arranged behind the diffuser bowl 42 when viewed from the illumination region 14.
  • the partial region 76 is formed integrally with the receptacle 74. Alternatively, the partial region 76 could be attached to the receptacle 74 by a snap connection and/or plug connection and/or adhesive connection.
  • the diffuser element 40 has an intermediate wall 78 (see Figure 5).
  • the intermediate wall 78 is arranged between the partial area 76 and the receptacle 74.
  • the intermediate wall 78 is intended to convert the light provided by the two light sources 94 and deflected by the partial area 76 into diffuse light.
  • the diffuser element 40 could be free of such intermediate walls.
  • the code reader device has a partially layered structure, in which various components are arranged one above the other in the assembled state along the axial direction 44. In the installed position, the components are arranged in the following order from bottom to top: installation unit 18, processing board 36, scanning module 34 or reflector unit 32, light source unit 10, mounting element 68, diffuser unit 12, and window element 20.

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Toxicology (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Surgery (AREA)
  • Artificial Intelligence (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention concerne un dispositif de lecture de code et/ou de vérification de code, en particulier pour des instruments médicaux et/ou chirurgicaux et des objets et implants médicaux, ayant : une unité de source de lumière (10), une unité de diffusion (12) qui est conçue pour convertir la lumière fournie par l'unité de source de lumière (10) en une lumière d'éclairage au moins sensiblement diffuse afin d'éclairer au moins une région d'éclairage (14), et une unité de boîtier (16), dans laquelle l'unité de source de lumière (10) et l'unité de diffusion (12) sont reçues de façon à être protégées des liquides dans un état installé.
PCT/EP2024/076418 2023-09-29 2024-09-20 Dispositif de lecture de code et/ou de vérification de code Pending WO2025068048A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102023126637.3A DE102023126637A1 (de) 2023-09-29 2023-09-29 Codelese- und/oder Codeverifikationsgerätevorrichtung
DE102023126637.3 2023-09-29
DE202023105685.7U DE202023105685U1 (de) 2023-09-29 2023-09-29 Codelese- und/oder Codeverifikationsgerätevorrichtung
DE202023105685.7 2023-09-29

Publications (1)

Publication Number Publication Date
WO2025068048A1 true WO2025068048A1 (fr) 2025-04-03

Family

ID=92894656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/076418 Pending WO2025068048A1 (fr) 2023-09-29 2024-09-20 Dispositif de lecture de code et/ou de vérification de code

Country Status (1)

Country Link
WO (1) WO2025068048A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050098746A1 (en) * 2003-10-16 2005-05-12 Kunihiko Ito Apparatus for optically reading target
DE202015106154U1 (de) * 2015-11-13 2016-01-19 Di-Soric Gmbh & Co. Kg Scannereinheit mit Metallgehäuse
WO2021009059A2 (fr) 2019-07-18 2021-01-21 Ioss Intelligente Optische Sensoren & Systeme Gmbh Dispositif d'éclairage passif
CN114065792A (zh) * 2021-11-09 2022-02-18 东集技术股份有限公司 一种条码读取器及条码的扫描方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050098746A1 (en) * 2003-10-16 2005-05-12 Kunihiko Ito Apparatus for optically reading target
DE202015106154U1 (de) * 2015-11-13 2016-01-19 Di-Soric Gmbh & Co. Kg Scannereinheit mit Metallgehäuse
WO2021009059A2 (fr) 2019-07-18 2021-01-21 Ioss Intelligente Optische Sensoren & Systeme Gmbh Dispositif d'éclairage passif
CN114065792A (zh) * 2021-11-09 2022-02-18 东集技术股份有限公司 一种条码读取器及条码的扫描方法

Similar Documents

Publication Publication Date Title
DE10291122B4 (de) Lesegerät mit einer Bildaufnahmeeinheit zum Lesen eines Codes und Verfahren zum Lesen eines Codes
DE69937544T2 (de) Led-modul und leuchte
DE102012111248B4 (de) Kamerasystem mit austauschbarer Beleuchtungsbaugruppe und Bildverarbeitungssystem
US6667762B1 (en) Miniature inspection system
EP1392999B1 (fr) Lampe de poche
DE112006002867T5 (de) Integrierte Ausleucht-Anordnung für einen Symbol-Ausleser
DE20010428U1 (de) Anordnung zur Beleuchtung des Stellknopfes eines Eingabeaggregates mittels Durchlicht
DE102008036616A1 (de) Flächenprojektionssystem zur Abbildung eines visuellen Signals auf einer Oberfläche
DE112013006158T5 (de) Lichtleiter, Lichtquellenvorrichtung und Bildleseeinrichtung
EP0845145A1 (fr) Indicateur a aiguille
DE112013004356B4 (de) Beleuchtungsvorrichtung mit Lichtführungsplatte und lichtreflektierender Fläche
EP3999995B1 (fr) Dispositif d'éclairage passif
WO2025068048A1 (fr) Dispositif de lecture de code et/ou de vérification de code
DE102023126637A1 (de) Codelese- und/oder Codeverifikationsgerätevorrichtung
DE202023105685U1 (de) Codelese- und/oder Codeverifikationsgerätevorrichtung
EP0735501A2 (fr) Arrangement de senseurs de couleur pour lire des marquages en couleur
DE4433150A1 (de) Anzeigeinstrument mit einem beleuchteten Zeiger
DE69636222T2 (de) Tragbares Lesegerät für optische Codes
DE102007043609B4 (de) Integrierte Beleuchtungsvorrichtung für einen optischen Codeleser
EP3274627B1 (fr) Dispositif de signalisation pour des appareils de commande et/ou de signalisation
DE102010043296A1 (de) Lichtemittermodul mit Umlenkoptik
DE112019001649B4 (de) Elektrische vorrichtung für ein fahrzeugtrittbrett
WO2022152908A1 (fr) Procédé et système de vérication d'une structure superficielle d'un objet et module additionnel passif
EP4001854B1 (fr) Capteur
EP1384221B1 (fr) Systeme d'affichage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24776233

Country of ref document: EP

Kind code of ref document: A1