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WO2024210419A1 - Dispositif d'informations - Google Patents

Dispositif d'informations Download PDF

Info

Publication number
WO2024210419A1
WO2024210419A1 PCT/KR2024/004139 KR2024004139W WO2024210419A1 WO 2024210419 A1 WO2024210419 A1 WO 2024210419A1 KR 2024004139 W KR2024004139 W KR 2024004139W WO 2024210419 A1 WO2024210419 A1 WO 2024210419A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical signal
unit
optical
information device
transmission
Prior art date
Application number
PCT/KR2024/004139
Other languages
English (en)
Korean (ko)
Inventor
이기석
Original Assignee
엘지이노텍 주식회사
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 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Publication of WO2024210419A1 publication Critical patent/WO2024210419A1/fr

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Classifications

    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/156—Mixing image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/204—Image signal generators using stereoscopic image cameras
    • H04N13/254—Image signal generators using stereoscopic image cameras in combination with electromagnetic radiation sources for illuminating objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/20—Image signal generators
    • H04N13/282—Image signal generators for generating image signals corresponding to three or more geometrical viewpoints, e.g. multi-view systems

Definitions

  • the embodiment relates to an information device. Specifically, it relates to an information device that simultaneously acquires region of interest information input and output from multiple optical axes.
  • Depth information is information that represents the distance in space, and it shows the perspective information of another point for one point in a 2D image.
  • Depth information is information that represents the distance in space, and it shows the perspective information of another point for one point in a 2D image.
  • a device such as a camera for acquiring an image or video of a region of interest consists of a combination of a sensor and light-transmitting lenses (relay optics) aligned in the same optical axis direction.
  • a device composed of such a combination can only acquire angle-of-view information incident in the same optical axis direction. If an optical device such as a fish-eye lens is applied to acquire information of a wider region of interest, the quality of the acquired information deteriorates due to distortion of the acquired image.
  • a depth information device it is necessary to acquire information not only about the front but also about the left and right sides as a sensor for robots and autonomous vehicles, and to do this, multiple devices are installed, which requires a lot of space and causes an increase in the unit price.
  • the embodiment provides an information device capable of simultaneously acquiring region of interest information input and output from multiple optical axes.
  • an information device capable of obtaining information by selectively transmitting or reflecting light depending on the wavelength, angle of incidence, or polarization of the light is provided.
  • an information device capable of simultaneously acquiring image information of a wide angle is provided.
  • an information device capable of obtaining information of improved quality by synthesizing image information obtained from multiple optical axes is provided.
  • An information device comprises: a first optical transmission unit for transmitting a first optical signal incident along a first direction; a second optical transmission unit for transmitting a second optical signal incident along a second direction different from the first direction; a third optical transmission unit for transmitting a third optical signal incident along a third direction different from the first direction and the second direction; a transmission/reflection unit for transmitting or reflecting a first optical signal passing through the first optical transmission unit, a second optical signal passing through the second optical transmission unit, and a third optical signal passing through the third optical transmission unit; And a sensor unit that receives the first optical signal, the second optical signal, and the third optical signal transmitted or reflected by the transmission-reflection unit; wherein at least two of the first optical signal, the second optical signal, and the third optical signal have different wavelengths, and the transmission-reflection unit may include a first surface that transmits or reflects the first optical signal, a second surface that transmits or reflects the second optical signal, and a third surface that transmits or reflects the third optical
  • the first light transmitting unit of the information device may be arranged to be spaced apart from the first side in the first direction
  • the second light transmitting unit may be arranged to be spaced apart from the second side in the second direction
  • the third light transmitting unit may be arranged to be spaced apart from the third side in the third direction.
  • An information device may further include a fourth optical transmission unit that is disposed between the transmissive reflective unit and the sensor unit and passes the first optical signal, the second optical signal, and the third optical signal transmitted or reflected by the transmissive reflective unit.
  • the first side of the information device transmits the first optical signal
  • the second side reflects the second optical signal
  • the third side reflects the third optical signal
  • at least two sides among the first to third sides can reflect or transmit optical signals of different wavelengths.
  • the second side of the information device according to the embodiment may be arranged to be inclined so as to face the second light transmitting unit or the sensor unit, and the third side may be arranged to be inclined so as to face the third light transmitting unit or the sensor unit.
  • the first side of the information device according to the embodiment may be arranged perpendicular to the first direction, and the second side and the third side may be arranged so that the second optical signal and the third optical signal are reflected to the sensor unit, respectively.
  • the above-described transmission-reflective portion of the information device according to the embodiment includes a triangular prism shape, and the first to third surfaces can be arranged on the outside of the transmission-reflective portion.
  • the above-described transmissive portion of the information device according to the embodiment includes a square pillar shape, the first side is arranged on the outside of the transmissive portion, and the second side and the third side can be arranged across each other on the inside of the transmissive portion.
  • An information device further includes a filter unit that transmits the first to third optical signals passing through the transmission/reflection unit according to wavelength; and the filter unit can be arranged on the path of the optical signal between the transmission/reflection unit and the sensor unit.
  • An information device is an information device including a calculation unit that synthesizes image information of the first to third optical signals received by the sensor unit.
  • the sensor unit of the information device sequentially receives the first to third optical signals, and the computation unit can synthesize image information of the first to third optical signals sequentially received by the sensor unit.
  • the sensor unit of the information device includes first to third regions, the first to third optical signals are simultaneously received in each of the first to third regions, and the calculation unit can synthesize image information of the first to third optical signals simultaneously received by the sensor unit.
  • An information device further includes a plurality of light sources that irradiate optical signals of different wavelengths, and optical signals output from the plurality of light sources can be emitted in directions opposite to the first to third directions, respectively.
  • the optical signals output from the plurality of light sources of the information device according to the embodiment are transmitted or reflected by the first to third surfaces, respectively, and are emitted in directions opposite to the first to third directions, and the plurality of light sources may be arranged parallel to the sensor unit and arranged at the same distance from the transmission/reflection unit as the sensor unit.
  • the plurality of light sources of the information device according to the embodiment may be arranged at a predetermined distance from each of the first to third surfaces in directions opposite to the first to third directions.
  • the information device may further include the optical transmission unit disposed on each of the paths of the optical signals irradiated by the plurality of light sources.
  • an information device capable of simultaneously acquiring information on a region of interest input and output from multiple optical axes can be provided.
  • an information device capable of obtaining information by selectively transmitting or reflecting light depending on the wavelength, angle of incidence, or polarization of the light can be provided.
  • an information device capable of simultaneously acquiring image information of a wide angle of view can be provided.
  • an information device capable of obtaining information of improved quality by synthesizing image information obtained from multiple optical axes can be provided.
  • Figure 1 is a configuration diagram of an information device according to an embodiment.
  • Figure 2 is a cross-sectional view of an information device according to an embodiment.
  • Figure 3 is a cross-sectional view of an information device according to another embodiment.
  • Figure 4 is an image showing a method for a sensor unit according to an embodiment to obtain image information.
  • FIG. 5 is an image showing a method for a sensor unit to obtain image information according to another embodiment.
  • Figure 6 is a cross-sectional view of an information device according to another embodiment.
  • Figure 7 is a cross-sectional view of an information device according to another embodiment.
  • a component when a component is described as being 'connected', 'coupled' or 'connected' to another component, it may include not only cases where the component is directly connected, coupled or connected to the other component, but also cases where the component is 'connected', 'coupled' or 'connected' by another component between the component and the other component.
  • each component when described as being formed or arranged "above or below” each component, above or below includes not only the case where the two components are in direct contact with each other, but also the case where one or more other components are formed or arranged between the two components.
  • it when expressed as "above or below", it can include the meaning of the downward direction as well as the upward direction based on one component.
  • Figure 1 is a configuration diagram of an information device according to an embodiment.
  • an information device (1000) may include a light transmitting unit (100), a light reflecting unit (200), a sensor unit (300), a filter unit (400), a calculation unit (500), and a light source (600).
  • the light transmitting unit (100) may include first to fourth light transmitting units (110, 120, 130, 140).
  • Figure 2 is a cross-sectional view of an information device according to an embodiment.
  • Figure 3 is a cross-sectional view of an information device according to another embodiment.
  • an information device (1000) includes a first optical transmission unit (110) that passes a first optical signal incident along a first direction, a second optical transmission unit (120) that passes a second optical signal incident along a second direction different from the first direction, a third optical transmission unit (130) that passes a third optical signal incident along a third direction different from the first and second directions, a transmission/reflection unit (200) that transmits or reflects the first optical signal passing through the first optical transmission unit (110), the second optical signal passing through the second optical transmission unit (120), and the third optical signal passing through the third optical transmission unit (130), and a sensor unit (300) that receives the first optical signal, the second optical signal, and the third optical signal transmitted or reflected by the transmission/reflection unit (200), and at least two of the first optical signal, the second optical signal, and the third optical signal are transmitted or reflected by the transmission/reflection unit.
  • the dogs have different wavelengths, and the transmissive reflective portion (200) may include a first surface (210) that transmits or reflects a first optical signal, a second surface (220) that transmits or reflects a second optical signal, and a third surface (230) that transmits or reflects a third optical signal.
  • the information device (1000) may include a device that receives an optical signal from the outside and collects information.
  • the information device (1000) may collect depth information of a specific region of interest.
  • the information device (1000) may irradiate an optical signal to an object in the region of interest and receive a reflected optical signal to collect depth information of the object.
  • the information device (1000) may receive an optical signal reflected from objects within a certain range and generate depth information.
  • the optical signal may be an optical signal incident on the information device (1000) from the outside.
  • the optical signal may be distinguished according to the direction in which it is incident on the information device (1000).
  • an information device (1000) may include a light transmitting unit (100).
  • the information device (1000) may include a light transmitting unit (100).
  • the light transmitting unit (100) may include first to fourth light transmitting units (110, 120, 130, 140).
  • the information device (1000) may include a first light transmitting unit (110) that passes a first optical signal incident along a first direction, a second light transmitting unit (120) that passes a second optical signal incident along a second direction different from the first direction, and a third light transmitting unit (130) that passes a third optical signal incident along a third direction different from the first and second directions.
  • the first direction may be any direction in which an optical signal is incident on the information device (1000).
  • the information device (1000) may receive an optical signal of a certain range of angles incident from any first direction.
  • An optical signal incident along the first direction may be a first optical signal.
  • the first direction may include a direction incident directly from the information device (1000).
  • the second direction may be any direction different from the first direction.
  • the information device (1000) may receive an optical signal of a certain range of angles incident from any second direction.
  • the optical signal incident along the second direction may be a second optical signal.
  • the second direction may include a direction in which an optical signal is incident on the information device (1000) in a direction perpendicular to the first direction.
  • the third direction may be any direction different from the first direction and the second direction.
  • the information device (1000) may receive an optical signal of a certain range of angles incident from any third direction.
  • the optical signal incident along the third direction may be the third optical signal.
  • the third direction may include a direction in which an optical signal is incident on the information device (1000) in a direction that is perpendicular to the first direction and opposite to the second direction.
  • the optical transmission unit (100) can change the path of an optical signal incident or emitted from the outside and transmit it.
  • the optical transmission unit (100) can transmit the optical signal to the outside, a transmissive portion, or a sensor portion.
  • the optical transmission unit (100) can include a plurality of lenses or diffractive elements.
  • the information device (1000) can include a plurality of optical transmission units (100).
  • the information device (1000) can include first to fourth optical transmission units (110, 120, 130, 140).
  • the first optical transmission unit (110) can transmit a first optical signal incident along a first direction.
  • the first optical transmission unit (110) can transmit a first optical signal incident along the first direction to the transmission-reflection unit (200).
  • the first optical transmission unit (110) can transmit an optical signal irradiated from a light source and emit the optical signal to the outside along the first direction.
  • the first optical transmission unit (110) can be arranged to be spaced apart from the transmission-reflection unit (200) by a certain distance along the first direction.
  • the first optical transmission unit (110) can be arranged to be spaced apart from the first surface (210) of the transmission-reflection unit (200) by a certain distance along the first direction.
  • the second optical transmission unit (120) can pass a second optical signal incident along the second direction.
  • the second optical transmission unit (120) can pass a second optical signal incident along the second direction and transmit it to the transmission-reflection unit (200).
  • the second optical transmission unit (120) can pass an optical signal irradiated from a light source and emit it to the outside along the second direction.
  • the second optical transmission unit (120) can be arranged to be spaced apart from the transmission-reflection unit (200) by a certain distance along the second direction.
  • the second optical transmission unit (120) can be arranged to be spaced apart from the second surface (220) of the transmission-reflection unit (200) by a certain distance along the second direction.
  • the third optical transmission unit (130) can pass a third optical signal incident along a third direction.
  • the third optical transmission unit (130) can pass a third optical signal incident along a third direction and transmit it to a transmission-reflection unit (200).
  • the third optical transmission unit (130) can pass an optical signal irradiated from a light source and emit it to the outside along the third direction.
  • the third optical transmission unit (130) can be arranged at a predetermined distance from the transmission-reflection unit (200) along the third direction.
  • the third optical transmission unit (130) can be arranged at a predetermined distance from the third surface (230) of the transmission-reflection unit (200) along the third direction.
  • the fourth optical transmission unit (140) can transmit the first to third optical signals transmitted or reflected by the transmission-reflection unit (200) to the sensor unit (300).
  • the fourth optical transmission unit (140) can transmit the optical signal irradiated by the sensor unit (300) to the transmission-reflection unit (200).
  • the fourth optical transmission unit (140) can be arranged between the transmission-reflection unit (200) and the sensor unit (300).
  • an information device (1000) may include a transmissive portion (200).
  • the transmission/reflection unit (200) can transmit or reflect a first optical signal that has passed through the first optical transmission unit (110), a second optical signal that has passed through the second optical transmission unit (120), and a third optical signal that has passed through the third optical transmission unit (130).
  • the transmission/reflection unit (200) can selectively transmit or reflect an optical signal incident from the outside through the optical transmission unit (100) according to differences in wavelength, incident light, polarization, etc. of the optical signal.
  • the transmission/reflection unit (200) can selectively transmit or reflect an optical signal incident from the outside and transmit it to the sensor unit (300).
  • the transmission/reflection unit (200) can selectively transmit or reflect an optical signal irradiated by a light source and emit it to the outside.
  • the transmission/reflection unit (200) can include a beam splitter.
  • the transmission-reflective portion (200) may include a prism and a plurality of dichroic films.
  • the transmission-reflective portion (200) may be arranged on the same optical axis as the sensor portion (300). For example, the transmission-reflective portion (200) may be arranged a predetermined distance apart from the sensor portion (300) along a first direction.
  • the transmission-reflective portion (200) may transmit a first optical signal incident along the first direction, and reflect a second optical signal incident along the second direction and a third optical signal incident along the third direction.
  • the transmission-reflective portion (200) may simultaneously transmit the first to third optical signals to the sensor portion (300).
  • the transmission-reflective portion (200) may include a polyhedral shape.
  • the transmission-reflective portion (200) may include a first surface (210) that transmits or reflects a first optical signal, a second surface (220) that transmits or reflects a second optical signal, and a third surface (230) that transmits or reflects a third optical signal.
  • the first to third surfaces (210, 220, 230) may be arranged inside or outside the transmission-reflective portion (200).
  • the first to third surfaces (210, 220, 230) may be arranged in a manner of being coated on one surface of the inside or outside of the transmission-reflective portion (200).
  • the first surface (210) can transmit or reflect the first optical signal.
  • the first surface (210) can transmit the first optical signal that has passed through the first optical transmission unit (110).
  • the first surface (210) can transmit the first optical signal to reach the sensor unit (300).
  • the first surface (210) can be arranged perpendicular to the first direction.
  • the first surface (210) can be arranged on one surface outside the transmission/reflection unit (200).
  • the first surface (210) can be arranged at a predetermined distance from the first optical transmission unit (110).
  • the second surface (220) can transmit or reflect the second optical signal.
  • the second surface (220) can reflect the second optical signal that has passed through the second optical transmission unit (120).
  • the second surface (220) can reflect the second optical signal and allow it to reach the sensor unit (300).
  • the second surface (220) can be arranged at a predetermined angle with respect to the second direction.
  • the second surface (220) can be arranged at a predetermined angle with respect to the sensor unit (300).
  • the second surface (220) can be arranged on one surface of the outside or inside of the transmission/reflection unit (200).
  • the second surface (220) can be arranged at a predetermined distance from the second optical transmission unit (120).
  • the third surface (230) can transmit or reflect the third optical signal.
  • the third surface (230) can reflect the third optical signal that has passed through the third optical transmission unit (130).
  • the third surface (230) can reflect the third optical signal and allow it to reach the sensor unit (300).
  • the third surface (230) can be arranged at a predetermined angle with respect to the third direction.
  • the third surface (230) can be arranged at a predetermined angle with respect to the sensor unit (300).
  • the third surface (230) can be arranged on one surface of the outside or inside of the transmission/reflection unit (200).
  • the third surface (230) can be arranged at a predetermined distance from the third optical transmission unit (130).
  • An information device (1000) may include a sensor unit (300).
  • the sensor unit (300) can receive the first optical signal, the second optical signal, and the third optical signal transmitted or reflected by the transmissive-reflective unit (200).
  • the sensor unit (300) can obtain depth information by receiving the optical signals.
  • the sensor unit (300) can simultaneously receive optical signals incident from multiple optical axes.
  • the sensor unit (300) can be arranged at a predetermined distance from the transmissive-reflective unit (200).
  • the sensor unit (300) can be arranged at a predetermined distance from the transmissive-reflective unit (200) along a first direction.
  • the sensor unit (300) can be arranged parallel to the first surface (210) of the transmissive-reflective unit (200).
  • the sensor unit (300) can be arranged perpendicular to the first direction.
  • At least two of the first optical signal, the second optical signal and the third optical signal according to the embodiment may have different wavelengths.
  • the first optical signal, the second optical signal, and the third optical signal can transmit or be reflected through the first to third surfaces (210, 220, 230) of the transmissive reflective portion (200) according to the wavelength.
  • the first optical signal may have a different wavelength from the second optical signal and the third optical signal, and the second optical signal and the third optical signal may have the same wavelength.
  • the first optical signal may have a different wavelength from the second optical signal and the third optical signal, so that the first surface (210) can transmit the first optical signal, and the second surface and the third surface (220, 230) can reflect the second optical signal and the third optical signal, respectively.
  • the first optical signal, the second optical signal, and the third optical signal may all have different wavelengths.
  • the second surface (220) can reflect the second optical signal and transmit the third optical signal.
  • the third surface (230) can transmit the second optical signal and reflect the third optical signal.
  • the first light transmitting unit (110) of the information device (1000) may be arranged spaced apart from the first surface (210) in a first direction
  • the second light transmitting unit (120) may be arranged spaced apart from the second surface (220) in a second direction
  • the third light transmitting unit (130) may be arranged spaced apart from the third surface (230) in a third direction.
  • the first light transmitting unit (110) is arranged spaced apart from the first surface (210) along a first direction and can allow a first optical signal incident along the first direction to pass through and reach the first surface (210).
  • the second light transmitting unit (120) is arranged spaced apart from the second surface (220) along a second direction and can allow a second optical signal incident along the second direction to pass through and reach the second surface (220).
  • the third light transmitting unit (130) is arranged spaced apart from the third surface (230) along a third direction and can allow a third optical signal incident along the third direction to pass through and reach the third surface (230).
  • the information device (1000) is arranged between the transmissive reflective portion (200) and the sensor portion (300), and may further include a fourth optical transmission portion (140) that passes the first optical signal, the second optical signal, and the third optical signal transmitted or reflected by the transmissive reflective portion (200).
  • the fourth optical transmission unit (140) can pass the first optical signal, the second optical signal, and the third optical signal transmitted or reflected by the transmission-reflection unit (200).
  • the fourth optical transmission unit (140) can change the paths of the first optical signal, the second optical signal, and the third optical signal to pass through and reach the sensor unit (300).
  • the fourth optical transmission unit (140) can be arranged between the transmission-reflection unit (200) and the sensor unit (300).
  • the fourth optical transmission unit (140) can be arranged a certain distance apart from the sensor unit (300) or the transmission-reflection unit (200) in the first direction.
  • the first side (210) of the information device (1000) transmits a first optical signal
  • the second side (220) reflects a second optical signal
  • the third side (230) reflects a third optical signal
  • at least two sides among the first to third sides (210, 220, 230) can reflect or transmit optical signals of different wavelengths.
  • the first surface (210) can transmit the first optical signal so that the first optical signal reaches the sensor unit (300).
  • the second surface (220) can reflect the second optical signal so that the second optical signal reaches the sensor unit (300).
  • the third surface (230) can reflect the third optical signal so that the third optical signal reaches the sensor unit (300).
  • At least two surfaces among the first to third surfaces (210, 220, 230) can reflect or transmit optical signals of different wavelengths.
  • the first surface (210) can reflect optical signals of different wavelengths from the second surface (220) and the third surface (230), and the second surface (220) and the third surface (230) can reflect optical signals of the same wavelength.
  • the first surface (210) can transmit the optical signal
  • the second surface (220) and the third surface (230) can reflect the optical signal
  • the first surface (210), the second surface (220), and the third surface (230) can all reflect optical signals of different wavelengths.
  • the second side (220) of the information device (1000) may be arranged at an angle to face the second light transmitting unit (120) or sensor unit (300), and the third side (230) may be arranged at an angle to face the third light transmitting unit (130) or sensor unit (300).
  • the second surface (220) is arranged to be inclined so as to face the second light transmitting unit (120) or the sensor unit (300) so as to reflect the second optical signal passing through the second light transmitting unit (120) along the second direction toward the sensor unit (300).
  • the third surface (230) is arranged to be inclined so as to face the third light transmitting unit (130) or the sensor unit (300) so as to reflect the third optical signal passing through the third light transmitting unit (130) along the third direction toward the sensor unit (300).
  • the second surface (220) or the third surface (230) may be arranged to be inclined so as to have an angle of 45° with respect to the second light transmitting unit (120) or the third light transmitting unit (130), respectively.
  • the second side (220) or the third side (230) may be arranged to be inclined so as to have a 45 ⁇ angle with respect to the sensor unit (300).
  • the first side (210) of the information device (1000) may be arranged perpendicular to the first direction, and the second side (220) and the third side (230) may be arranged so that the second optical signal and the third optical signal are reflected to the sensor unit (300), respectively.
  • the first surface (210) may be arranged perpendicular to the first direction and may transmit a first optical signal incident in the first direction.
  • the second surface (220) may be arranged so that the second optical signal is reflected to the sensor unit (300).
  • the third surface (230) may be arranged so that the third optical signal is reflected to the sensor unit (300).
  • the transmission/reflection portion (200) of the information device (1000) includes a triangular prism shape, and the first to third surfaces (210, 220, 230) can be positioned on the outside of the transmission/reflection portion (200).
  • the transmission-reflective portion (200) may be formed in the shape of a triangular prism.
  • the transmission-reflective portion (200) may include a prism in the shape of a triangular prism.
  • the three side surfaces of the triangular prism may correspond to the first to third surfaces (210, 220, 230) of the transmission-reflective portion (200), respectively.
  • the first to third surfaces (210, 220, 230) may be formed in a manner of coating the three side surfaces of the triangular prism, respectively.
  • the upper surface of the transmission-reflective portion (200) may include the shape of a right triangle.
  • the first surface (210) may have an angle of 45° with the second surface (220) and the third surface (230), and the area of the first surface (210) may be larger than the areas of the second surface (220) and the third surface (230). Additionally, the second side (220) and the third side (230) may have an angle of 90 ⁇ and may have the same area.
  • the transmission-reflective portion (200) of the information device (1000) includes a square pillar shape, and the first side (210) is arranged on the outside of the transmission-reflective portion (200), and the second side (220) and the third side (230) can be arranged across each other on the inside of the transmission-reflective portion (200).
  • the transmission reflection part (200) may include a square prism shape.
  • the transmission reflection part (200) may include a square prism shape prism.
  • the transmission reflection part (200) may be formed by joining four prisms in the shape of triangular prisms.
  • the transmission reflection part (200) may be formed by joining four transmission reflection parts (200) in the shape of triangular prisms of FIG. 2.
  • the first surface (210) may be arranged on the outside of the transmission reflection part (200).
  • the first surface (210) may be a side surface of the transmission reflection part (200) arranged perpendicularly to the first direction.
  • the second surface (220) and the third surface (230) may be arranged across each other on the inside of the transmission reflection part (200).
  • the second side (220) and the third side (230) may each be an inner side crossing the diagonal of the transmissive portion (200).
  • the second side (220) and the third side (230) may be formed in a manner in which they are coated on the inside of the transmissive portion (200).
  • the second side (220) and the third side (230) may be arranged in a form in which they intersect each other.
  • the second side (220) and the third side (230) may reflect optical signals of different wavelengths.
  • the information device (1000) further includes a filter unit (400) that transmits first to third optical signals passing through the transmission/reflection unit (200) according to wavelength, and the filter unit (400) can be placed on the path of the optical signal between the transmission/reflection unit (200) and the sensor unit (300).
  • a filter unit (400) that transmits first to third optical signals passing through the transmission/reflection unit (200) according to wavelength, and the filter unit (400) can be placed on the path of the optical signal between the transmission/reflection unit (200) and the sensor unit (300).
  • the filter unit (400) can transmit or block an optical signal according to its wavelength.
  • the filter unit (400) can transmit the first to third optical signals that have passed through the transmission/reflection unit (200) according to a predetermined wavelength.
  • the filter unit (400) can include a band pass filter.
  • the filter unit (400) can be arranged on the path of the optical signal between the transmission/reflection unit (200) and the sensor unit (300).
  • the filter unit (400) can be arranged on the path of the optical signal between the fourth optical transmission unit (140) and the sensor unit (300).
  • the filter unit (400) can be arranged at a predetermined distance from the transmission/reflection unit (200) or the sensor unit (300) in the first direction.
  • the filter unit (400) can be arranged at a predetermined distance from the fourth optical transmission unit (140) in the first direction.
  • An information device (1000) may include a calculation unit (500) that synthesizes image information of first to third optical signals received by a sensor unit (300).
  • the computation unit (500) can synthesize image information of the first to third optical signals received by the sensor unit (300).
  • the sensor unit (300) can simultaneously receive the first to third optical signals incident from the first to third directions.
  • the sensor unit (300) can receive the first to third optical signals to obtain image information of an object in the first to third directions.
  • the computation unit (500) can synthesize the image information of the first to third optical signals obtained by the sensor unit (300) to generate one image information.
  • the sensor unit (300) separates and receives the first to third optical signals by region, the separated image information can be corrected and synthesized into one image information.
  • the computation unit can include a processor.
  • Figure 4 is an image showing a method for a sensor unit according to an embodiment to obtain image information.
  • the sensor unit of the information device sequentially receives first to third optical signals, and the computation unit can synthesize image information of the first to third optical signals sequentially received by the sensor unit.
  • the sensor unit can sequentially receive the first to third optical signals.
  • the sensor unit can sequentially receive the first to third optical signals over time to obtain each image information.
  • the image information can be distinguished by frames for each of the first to third optical signals.
  • the first frame can be image information for a second optical signal received in a second direction
  • the second frame can be image information for a first optical signal received in the first direction
  • the third frame can be image information for a third optical signal received in the third direction.
  • the sensor unit can repeatedly obtain image information of the first to third optical signals for each frame.
  • the sensor unit can repeatedly obtain image information of the second optical signal for the n-th frame, image information of the first optical signal for the n+1-th frame, and image information of the third optical signal for the n+2-th frame.
  • the calculation unit can synthesize image information of the first to third optical signals sequentially received by the sensor unit.
  • the operation unit can obtain synthesized image information by synthesizing image information of the first to third optical signals sequentially received by the sensor unit for each frame.
  • FIG. 5 is an image showing a method for a sensor unit to obtain image information according to another embodiment.
  • the sensor unit of the information device includes first to third regions, first to third optical signals are simultaneously received in each of the first to third regions, and the calculation unit can synthesize image information of the first to third optical signals simultaneously received by the sensor unit.
  • the sensor unit may include first to third regions.
  • the first to third regions may be regions in which the sensor unit receives optical signals.
  • the first to third regions may be regions that are separated from each other.
  • the first to third optical signals may be simultaneously received in each of the first to third regions. For example, a first optical signal received in a first direction may be received in the first region, a second optical signal received in a second direction may be received in the second region, and a third optical signal received in a third direction may be received in the third region.
  • one frame of image information may include all of the image information of the first to third optical signals.
  • One frame may include the image information of the first to third optical signals separately for each region.
  • the sensor unit may repeatedly obtain the image information of the first to third optical signals.
  • the sensor unit may repeatedly obtain the image information of the first to third optical signals for the n-th frame, the n+1-th frame, and the n+2-th frame.
  • the computation unit can synthesize image information of the first to third optical signals simultaneously received by the sensor unit.
  • the computation unit can synthesize each frame including image information of the first to third optical signals to obtain synthesized image information.
  • the computation unit can correct image information separated by the first to third areas of the sensor unit to obtain corrected image information.
  • Figure 6 is a cross-sectional view of an information device according to another embodiment.
  • the information device (1000) further includes a plurality of light sources (600) that irradiate light signals of different wavelengths, and the light signals output from the plurality of light sources (600) can be emitted in opposite directions of the first to third directions, respectively.
  • the light source (600) can irradiate optical signals of different wavelengths.
  • a plurality of light sources (600) can be arranged adjacent to the sensor unit (300) to irradiate optical signals.
  • the light source (600) can irradiate optical signals to reach the transmission/reflection unit (200).
  • the light source (600) can irradiate optical signals along a first direction.
  • the light source (600) can irradiate optical signals to the transmission/reflection unit (200) to transmit or reflect the optical signals through the transmission/reflection unit (200) and emit the optical signals along the first to third directions.
  • the optical signals can be emitted in a direction opposite to the first to third directions in which external optical signals are incident.
  • the optical signals irradiated by the light source (600) can be reflected on an object within an angle of view in the first to third directions.
  • the optical signal reflected by the object can be re-injected into the information device and reach the sensor unit (300) through the transmission/reflection unit (200).
  • optical signals output from a plurality of light sources (600) of an information device (1000) are transmitted or reflected by the first to third surfaces (210, 220, 230) respectively and emitted in opposite directions to the first to third directions, and the plurality of light sources (600) may be arranged parallel to the sensor unit (300) and may be arranged at the same distance from the transmission/reflection unit (200) as the sensor unit (300).
  • the optical signals output from the plurality of light sources (600) can be transmitted or reflected by the first to third surfaces (210, 220, 230), respectively.
  • the plurality of light sources (600) can include three light sources (600).
  • the three light sources (600) can be transmitted or reflected by the first to third surfaces (210, 220, 230), respectively, and emitted in a direction opposite to the first to third directions in which the first to third optical signals are incident.
  • the plurality of light sources (600) are arranged parallel to the sensor unit (300) and arranged at the same distance from the transmissive and reflective unit (200) as the sensor unit (300) so as to irradiate the optical signals to the first to third surfaces (210, 220, 230) of the transmissive and reflective unit (200).
  • Figure 7 is a cross-sectional view of an information device according to another embodiment.
  • a plurality of light sources of an information device may be arranged at a predetermined distance from each of the first to third surfaces (210, 220, 230) in opposite directions to the first to third directions.
  • the plurality of light sources (600) can irradiate light signals in directions opposite to the first to third directions in which the first to third light signals are incident. In this case, the light signals irradiated by the light sources (600) can be directly emitted to the outside without transmitting through the transmission/reflection unit (200) or being reflected.
  • the plurality of light sources (600) can include three light sources (600). The three light sources (600) can be arranged at a predetermined distance from the first to third surfaces (210, 220, 230) of the transmission/reflection unit (200), respectively.
  • the plurality of light sources (600) directly irradiate light signals in the first to third directions, the plurality of light sources (600) may not be arranged adjacent to the sensor unit (300) or parallel to the sensor unit (300).
  • the information device may further include an optical transmission unit positioned on each path of an optical signal irradiated by a plurality of light sources (600).
  • the optical signals can pass through a separate optical transmission unit and reach objects in the first to third directions.
  • the information device may further have an optical transmission unit placed on the path of the optical signals irradiated by the multiple light sources (600).

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Dans un mode de réalisation, l'invention concerne un dispositif d'informations comprenant : une première unité de transfert de lumière à travers laquelle passe un premier signal lumineux, qui est incident dans un premier sens ; une seconde unité de transfert de lumière à travers laquelle passe un second signal lumineux, qui est incident dans un second sens différent du premier sens ; une troisième unité de transfert de lumière à travers laquelle passe un troisième signal lumineux, qui est incident dans un troisième sens différent du premier sens et du deuxième sens ; une unité de transmission et de réflexion destinée à transmettre ou réfléchir le premier signal lumineux ayant traversé la première unité de transfert de lumière, le deuxième signal lumineux ayant traversé la deuxième unité de transfert de lumière et le troisième signal lumineux ayant traversé la troisième unité de transfert de lumière ; et une unité de capteur destinée à recevoir le premier signal lumineux, le deuxième signal lumineux et le troisième signal lumineux transmis ou réfléchis par l'unité de transmission et de réflexion, au moins deux parmi le premier signal lumineux, le deuxième signal lumineux et le troisième signal lumineux ayant des longueurs d'onde différentes, et l'unité de transmission et de réflexion comprenant : une première surface destinée à transmettre ou réfléchir le premier signal lumineux ; une deuxième surface destinée à transmettre ou réfléchir le deuxième signal lumineux ; et une troisième surface destinée à transmettre ou réfléchir le troisième signal lumineux.
PCT/KR2024/004139 2023-04-04 2024-04-01 Dispositif d'informations WO2024210419A1 (fr)

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KR10-2023-0044231 2023-04-04
KR1020230044231A KR20240148617A (ko) 2023-04-04 2023-04-04 정보 장치

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WO2024210419A1 true WO2024210419A1 (fr) 2024-10-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018049201A1 (fr) * 2016-09-09 2018-03-15 Google Llc Système de téléprésence tridimensionnel
WO2018082481A1 (fr) * 2016-11-02 2018-05-11 深圳全息信息科技发展有限公司 Module de caméra 3d et dispositif de photographie 3d
KR20180088788A (ko) * 2015-08-28 2018-08-07 임피리얼 컬리지 오브 사이언스 테크놀로지 앤드 메디신 다중-방향성 카메라를 이용한 공간 매핑
JP2022516431A (ja) * 2018-12-18 2022-02-28 アルディア 多視点画像を取得する及び／又は多視点画像を表示するための光電子デバイス
JP2022117068A (ja) * 2021-01-29 2022-08-10 ｉ－ＰＲＯ株式会社 撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180088788A (ko) * 2015-08-28 2018-08-07 임피리얼 컬리지 오브 사이언스 테크놀로지 앤드 메디신 다중-방향성 카메라를 이용한 공간 매핑
WO2018049201A1 (fr) * 2016-09-09 2018-03-15 Google Llc Système de téléprésence tridimensionnel
WO2018082481A1 (fr) * 2016-11-02 2018-05-11 深圳全息信息科技发展有限公司 Module de caméra 3d et dispositif de photographie 3d
JP2022516431A (ja) * 2018-12-18 2022-02-28 アルディア 多視点画像を取得する及び／又は多視点画像を表示するための光電子デバイス
JP2022117068A (ja) * 2021-01-29 2022-08-10 ｉ－ＰＲＯ株式会社 撮像装置

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