UNIVERSAL EMBEDABLE INTERACTIVE OPTOELECTRONIC AUGMENTED REALITY MODULE

Description

[0001] FIELD OF TECHNOLOGY

[0002] The utility model relates to augmented reality devices, namely to a universal embedded interactive optoelectronic augmented reality module, and can be used, for example, in medicine, the space industry, the automotive industry, clean industries, self-service terminals, etc.

[0003] STATE OF THE ART

[0004] Patent CN 210983359 U, published July 10, 2020, class G06F 3 / 042, discloses an augmented reality device comprising a housing in which a display is positioned lower and an optical imaging unit is mounted at an angle. The optical imaging unit is positioned at an angle of 10 to 35 degrees above the display, forming an image input by the display on one side into space on the other side as a spatial image. The device also comprises a rectangular frame having a window on which the spatial image is formed. A detection unit is located on the outer periphery of the frame and determines the position of a guidance unit in contact with the spatial image.

[0005] The closest analogue is the augmented reality device described in patent CN 221485724 U, published August 6, 2024, class G02B 30 / 56. The known contactless data input device based on optical projection is designed in the shape of a parallelepiped and comprises a device for displaying an image in the air and a detection unit, such as a linear optical sensor, mounted on the device for displaying the image in the air to determine the position of a display unit, such as a finger or touch pen, in contact with the image in the air. The detection unit is located inside the housing parallel to the image in the air along its underside.An in-air image display device comprises: an optical imaging unit formed in the form of a flat plate having a light-transmitting surface and a light-exiting surface arranged in parallel; an image display unit located on the side of the light-transmitting surface of the optical imaging unit. The image display unit is positioned so that it is inclined at an angle α relative to the surface of the optical imaging unit onto which the light falls. The angle α is preferably in the range of approximately 30 to 60 degrees, but is not limited to this range and can be selected accordingly. However, arranging the inclined image display unit in a parallelepiped-shaped housing is not space-efficient, and it also requires connecting the device to an external computer.

[0006] The technical problem is to eliminate the above defect.

[0007] DISCLOSURE OF THE ESSENCE OF THE UTILITY MODEL

[0008] The technical problem solved by the utility model consists of developing an optoelectronic module for augmented reality that is free from the shortcomings of its closest analogue.

[0009] The technical result achieved by the utility model is space saving and compactness of the device.

[0010] The above technical result is achieved by an optoelectronic augmented reality module containing a display, a projection glass, a linear optical sensor, a processor, a housing, wherein the housing contains an upper part, side parts, front and rear parts, wherein the projection glass is located in the upper part of the housing, and the linear optical sensor is located inside the housing at the top above the display, the front and rear parts of the housing have inclined parts that lie in planes that intersect at an angle of 90 degrees with each other and at an angle of 45 degrees with the plane in which the upper part of the housing lies, wherein the display is located on the inner surface of the inclined part of the front part of the housing, and the processor is located inside the housing outside the optical zone of the display and the projection glass.

[0011] Space saving and compactness of the device is achieved due to the fact that the front and rear parts of the case have inclined parts that lie in planes that intersect at an angle of 90 degrees with each other and at an angle of 45 degrees with the horizontal plane in which the upper part of the case lies, the display is located on the inner surface of the inclined part of the front part of the case, and the processor and audio system are located inside the case.

[0012] In one embodiment of the optoelectronic module, the housing is a plastic or metal box.

[0013] In another embodiment, the optoelectronic module is oriented horizontally, wherein the projection glass lies in a horizontal plane, or is oriented vertically, wherein the projection glass lies in a vertical plane, or is oriented at an angle, wherein the projection glass lies in an inclined plane.

[0014] In another embodiment of the optoelectronic module, the processor is located on the inner surface of the inclined portion of the rear part of the housing.

[0015] In another embodiment, the optoelectronic module comprises an audio system comprising a microphone and speakers, wherein the microphone is located in the front part of the housing or in the upper part of the housing depending on the orientation and / or angle of inclination of the optoelectronic module so that the user is in the working area of ​​the microphone, and the speakers are located in the inclined part of the front part of the housing at the bottom on the sides of the display.

[0016] In another embodiment of the optoelectronic module, a step-down transformer, means for connecting the display, a linear optical sensor, an audio system to the processor, and means for connecting external and internal devices are located inside the housing outside the optical zone of the display and the projection glass.

[0017] In another embodiment of the optoelectronic module, the projection glass is a multilayer projection plate in which the main optical element is layers made in the form of two periodic gratings located at an angle of 90 degrees to each other and at an angle of 45 degrees to the ends of the plate.

[0018] In another embodiment of the optoelectronic module, the display is a liquid crystal display with inverted image orientation in the horizontal and vertical planes.

[0019] In another embodiment of the optoelectronic module, the linear optical sensor is a near-field infrared sensor with modulated radiation, containing an array of dual-frequency laser phase range finders with a heterodyne method.

[0020] In another embodiment, the optoelectronic module is designed to be embedded in at least a table, a cabinet, a wall, a stand, or a dashboard.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] The utility model will be more understandable from the description, which is not limiting and is given with reference to Figs. 1-2.

[0023] Fig. 1 illustrates a general diagram of an optoelectronic augmented reality module according to the present utility model.

[0024] Fig. 2 illustrates an exemplary embodiment of an optoelectronic augmented reality module according to the present utility model.

[0025] The figures in the drawings indicate: 1 - device housing (box); 2 - display (LCD matrix); 3 - linear optical sensor; 4 - projection glass; 5 - working field of the linear optical sensor; 6 - image projected into open space; 7 - upper part of the housing; 8 - side parts of the housing; 9 - front part of the housing; 10 - rear part of the housing.

[0026] IMPLEMENTATION OF THE INVENTION

[0027] The detailed description of the utility model includes numerous implementation details intended to provide a clear understanding of the utility model. However, it is obvious to those skilled in the art how the utility model can be used, both with and without these implementation details.

[0028] This utility model represents an innovative visualization, control, and management system based on the principle of image projection in an open environment without the use of a reflective carrier (smoke, steam, aerosol, etc.) or additional technical means. The device operates on the double refraction of light by microstructures located within the projection glass and in its plane. The observer sees a projected image of the object located beneath the glass above the glass. The projection is symmetrical relative to the glass plane. The user can interact with the image and its elements in the same way as with a touchscreen.

[0029] The optoelectronic module of augmented reality (Fig. 1) comprises a housing (1), a display (2), a linear optical sensor (3), a projection glass (4), a processor, and an audio system (not shown in Fig. 1). The housing (1) is a plastic or metal box and comprises an upper part (7), side parts (8), a front (9) and a rear (10) part (Fig. 2). The projection glass (4) is located in the upper (7) part of the housing, and the linear optical sensor (3) is located inside the housing (1) at the top above the display (2). A longitudinal opening is made in the upper (7) part of the housing (1) for passing radiation from the linear optical sensor (3) and receiving radiation reflected from the display object, which is in contact with the image (6) projected into open space, wherein the working field (5) of the sensor (3) coincides with the projected image (6).The front (9) and rear (10) housing parts have inclined parts that lie in planes that intersect at an angle of 90 degrees with each other and at an angle of 45 degrees with the plane in which the upper (7) housing part lies. The display (2) is located on the inner surface of the inclined part of the front (9) housing part, the processor and the audio system are located inside the housing (1) outside the optical zone of the display (2) and the projection glass (4). The processor is located on the inner surface of the inclined part of the rear (10) housing part. The audio system comprises a microphone and speakers, wherein the microphone is located in the front (9) housing part or in the upper (7) housing part depending on the orientation and / or angle of inclination of the optoelectronic module so that the user is in the working area of ​​the microphone, and the speakers are located in the inclined part of the front (9) housing part below on the sides of the display (2).Inside the housing (1), outside the optical zone of the display (2) and the projection glass (4), there is also a step-down transformer, means for connecting the display (2), a linear optical sensor (3), an audio system to the processor, and means for connecting external and internal devices.

[0030] Projection glass (4) is a multilayer projection plate in which the main optical element is layers made in the form of two periodic gratings located at an angle of 90 degrees to each other and at an angle of 45 degrees to the ends of the plate.

[0031] The display (2) is a liquid crystal display with inverted image orientation in the horizontal and vertical planes.

[0032] The linear optical sensor (3) is a near-field modulated infrared sensor containing an array of dual-frequency laser phase range finders with a heterodyne method.

[0033] The optoelectronic module can be oriented horizontally, in which case the projection glass (4) lies in the horizontal plane. The optoelectronic module can be oriented vertically, in which case the projection glass (4) lies in the vertical plane. The optoelectronic module can be oriented at an angle, in which case the projection glass (4) lies on an inclined plane.

[0034] The optoelectronic module contains means for embedding into at least a table, cabinet, wall, stand, or instrument panel.

[0035] The optoelectronic module sample with a horizontal projection glass orientation (Fig. 2) measures 350 x 360 x 195 mm and consists of a metal box, the lower part of which is formed by two planes such that, in a side projection, the device approximately resembles an isosceles right triangle with its apex facing downwards. The front, inclined part of the box houses an LCD matrix with inverted image orientation in the horizontal and vertical planes. The projection glass is positioned horizontally in the upper part of the box. Also located inside the unit are a minicomputer, a step-down transformer, a linear optical sensor, a set of connectors, connections for the LCD matrix and sensor, and an audio system.

[0036] Composition of the sample of the optoelectronic module with horizontal orientation of the projection glass (Fig. 2).

[0037] Case

[0038] The enclosure of this device is made of sheet steel elements, joined using a semiautomatic welding process. The sheet steel thickness is 2 mm. The enclosure features ventilation and access holes, mounting hardware, power and on / off buttons, and a set of connectors for power and peripheral devices. The enclosure weighs 5 kg.

[0039] Projection glass

[0040] The projection glass is a key element in creating images in an open environment. It is a rectangular parallelepiped with a complex multilayer structure with sides of 300 × 300 × 5.1 mm, made of aluminosilicate glass and high-quality optical epoxy compound. The projection glass consists of five layers: upper and lower cover layers, upper and lower periodic gratings, and an intermediate layer. The diagonal of the projection glass is 424 mm, each periodic grating includes approximately 1010 elements, which corresponds to 1.02 million pixels. The characteristic size of the periodic grating elements is: height - 1.15 mm, thickness - 0.42 mm. The thickness of each of the two periodic gratings is 1.15 mm, the material is high-quality optical epoxy compound. The maximum length of the elements along the diagonal of the glass is 424 mm, and tends to zero as they approach the periphery (corners) of the glass.The intermediate layer is 0.3 mm thick and is made of aluminosilicate sheet glass. The top and bottom cover layers are 1 mm thick and are made of aluminosilicate sheet glass. The adhesive layers are 0.1-0.15 mm thick.

[0041] Mini PC

[0042] Minimum requirements: processor: Intel Celeron, 2 cores, 2.0 GHz, 4 GB RAM, 128 GB SSD, external device ports: HDMI, USB 3.0, LAN. The dimensions of the test sample are 100 x 75 x 30 mm and may vary depending on the tasks performed. Connecting an external computer is possible.

[0043] LCD matrix

[0044] The test sample is equipped with a 10-inch, high-brightness industrial LCD panel with a resolution of 1024×768 pixels. The panel size and resolution may vary depending on the size of the projection glass and the tasks performed.

[0045] Linear optical sensor.

[0046] The linear infrared sensor is designed to determine coordinates and control the device. It consists of a linear array of LEDs and photodiodes operating in the infrared spectrum. The sensor enables precise positioning of a finger, stylus, or other object within the sensor's working area and contactless user interaction with the projected image.

[0047] Acoustic system.

[0048] Built-in 5-watt stereo speaker.

[0049] Computer and matrix connection means.

[0050] Power supply with a step-down transformer 220 / 12 V with a power of 150 watts, a matrix controller, an infrared linear sensor controller, an acoustic amplifier, cables and connectors for connecting internal and external devices.

[0051] The device can be mounted on a table, cabinet, wall, stand, or other suitable sized object. It can also be installed in the dashboard of vehicles (cars, watercraft, and aircraft).

[0052] Both horizontal and vertical orientations of the device are assumed, as well as installation of the device at an angle.

[0053] The product weight is 7kg.

[0054] How the device works

[0055] The light beam from the LCD matrix passes through the projection glass, forming a projected image (6) in the air above the glass at a 45-degree angle relative to the glass plane and at a 90-degree angle relative to the image source (LCD matrix). The projected image is symmetrical to the source relative to the projection glass plane. The working field (5) of the linear optical sensor coincides with the projected image (6), enabling full contactless control of the device's software, similar to devices equipped with a touchscreen.

[0056] The utility model is disclosed above with reference to a specific embodiment. Other embodiments of the utility model are also obvious, without changing its essence as disclosed in the above description.

Claims

1. An optoelectronic module for augmented reality, comprising a display (2), a projection glass (4), a linear optical sensor (3), a processor, a housing (1), wherein the housing comprises an upper part (7), side parts (8), a front (9) and a rear (10) part, wherein the projection glass (4) is located in the upper (7) part of the housing, and the linear optical sensor (3) is located inside the housing (1) at the top above the display (2), characterized in that the front (9) and rear (10) parts of the housing have inclined parts that lie in planes that intersect at an angle of 90 degrees with each other and at an angle of 45 degrees with the plane in which the upper (7) part of the housing lies, wherein the display (2) is located on the inner surface of the inclined part of the front (9) part of the housing, and the processor is located inside the housing (1) outside the optical zone of the display (2) and the projection glass (4).

2. An optoelectronic module according to paragraph 1, characterized in that the housing (1) is a plastic or metal box.

3. An optoelectronic module according to claim 1, characterized in that it is oriented horizontally, wherein the projection glass (4) lies in a horizontal plane, or oriented vertically, wherein the projection glass (4) lies in a vertical plane, or oriented at an angle, wherein the projection glass (4) lies in an inclined plane.

4. An optoelectronic module according to paragraph 1, characterized in that the processor is located on the inner surface of the inclined part of the rear (10) part of the housing, 5. An optoelectronic module according to claim 1, characterized in that it contains an audio system containing a microphone and speakers, wherein the microphone is located in the front (9) part of the housing or in the upper (7) part of the housing, depending on the orientation and / or angle of inclination of the optoelectronic module in such a way that the user is in the working area of ​​the microphone, and the speakers are located in the inclined part of the front (9) part of the housing at the bottom on the sides of the display (2).

6. An optoelectronic module according to paragraph 1, characterized in that a step-down transformer, means for connecting the display (2), a linear optical sensor (3), an audio system to the processor, and means for connecting external and internal devices are located inside the housing (1) outside the optical zone of the display (2) and the projection glass (4).

7. An optoelectronic module according to paragraph 1, characterized in that the projection glass (4) is a multilayer projection plate, in which the main optical element is layers made in the form of two periodic gratings located at an angle of 90 degrees to each other, and at an angle of 45 degrees to the ends of the plate.

8. An optoelectronic module according to claim 1, characterized in that the display (2) is a liquid crystal display with inverted image orientation in the horizontal and vertical planes.

9. An optoelectronic module according to claim 1, characterized in that the linear optical sensor is a near-field infrared sensor with modulated radiation, containing an array of dual-frequency laser phase rangefinders with a heterodyne method.

10. An optoelectronic module according to paragraph 1, characterized in that it is designed with the possibility of being built into at least a table, cabinet, wall, stand, or instrument panel.

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