CN112099306A - Panoramic non-directional projection system - Google Patents
Panoramic non-directional projection system Download PDFInfo
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- CN112099306A CN112099306A CN202011008636.2A CN202011008636A CN112099306A CN 112099306 A CN112099306 A CN 112099306A CN 202011008636 A CN202011008636 A CN 202011008636A CN 112099306 A CN112099306 A CN 112099306A
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- light path
- reflecting
- projection
- incident light
- rotating
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/02—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with scanning movement of lens or cameras
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
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- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a panoramic non-directional projection system, which belongs to the technical field of projection and comprises a reflecting device, a rotating device and an optical machine; the optical machine is used for vertically transmitting an incident light path; the reflecting device is used for changing the direction of an incident light path, so that the incident light path is reflected into a reflecting light path to project a projection surface; the rotating device can drive the reflecting device to rotate by taking the center of the incident light path as a center, so that the projection direction of the reflecting light path is changed. The panoramic non-directional projection system can realize that one machine can simultaneously complete the projection of a plurality of screens, can realize the projection in a certain annular area, and can break through the directional projection mode of the conventional projector.
Description
Technical Field
The invention belongs to the technical field of projection, and particularly relates to a panoramic non-directional projection system.
Background
The conventional projector adopts a directional projection mode, namely an emergent light path emitted by an optical machine is a projection light path to project a projection surface. The prior art adopts the image concatenation scheme to realize the panorama projection, and single machine can only accomplish the unilateral projection, can't realize the projection of a machine completion multiaspect curtain simultaneously promptly, also can't carry out the projection in certain annular region. In the prior art, the direction of projection is changed, so that the projector needs to be moved integrally to adjust the direction of an emergent light path, which is very inconvenient. When the up-down position of the projection surface needs to be adjusted, the adjusting screw at the bottom of the projector also needs to be adjusted manually, so that the pitching angle of the projection light path is realized, and automatic control cannot be realized.
Disclosure of Invention
The invention aims to provide a panoramic non-directional projection system aiming at the defects, and solves the problems that how to realize that one machine can simultaneously complete the projection of a multi-surface curtain, how to project in a certain annular area, how to conveniently change the projection direction without moving a projector, how to realize the automatic control of the pitch angle of a projection light path and the like. In order to achieve the purpose, the invention provides the following technical scheme:
the panoramic non-directional projection system comprises a reflecting device 1, a rotating device 2 and an optical machine 3; the optical machine 3 is used for vertically emitting an incident light path 4; the reflecting device 1 is used for changing the direction of the incident light path 4, so that the incident light path 4 is reflected into a reflecting light path 5 to project a projection surface 6; the rotating device 2 can drive the reflecting device 1 to rotate by taking the center of the incident light path 4 as a center, and change the projection direction of the reflecting light path 5. With the above structure, the optical machine 3 vertically emits the incident light path 4 with the light image, and the incident light path 4 is reflected into the horizontal reflection light path 5 by the reflection device 1, so as to project the projection surface 6 on the screen. When the projection is required to be performed on the screens in different directions, the rotating device 2 is only required to drive the reflecting device 1 to rotate by a corresponding angle by taking the center of the incident light path 4 as the center, and the reflecting light path 5 can be projected onto the screen in the corresponding direction without moving the projector integrally, so that the control is convenient. When projection is required to be carried out in a certain annular area, the reflecting light path can be projected in the certain annular area only by driving the reflecting device 1 to rotate within a certain angle range by taking the center of the incident light path 4 as the center through the rotating device 2. When 360-degree omnibearing projection is needed, the reflector 1 is driven by the rotating device 2 to rotate 360 degrees by taking the center of the incident light path 4 as the center, and the reflector can realize the omnibearing projection of the reflected light path. The panoramic non-directional projection system can meet the requirements of projection at different angles on a horizontal plane and can realize the requirement of 360-degree omnibearing projection in a specific scene. The optical machine needs to input high-speed signals, the heat productivity of the optical machine is large, and a huge heat dissipation system is needed, so that the optical machine system cannot rotate at high speed. The optical machine is vertically installed, the direction of an incident light path 4 is vertical upwards, a reflecting device 1 is arranged above the incident light path 4, and the incident light path 4 in the vertical direction is changed into a reflecting light path 5 in the horizontal direction for projection. The reflecting device 1 is arranged on the rotating device 2, the rotating device 2 drives the reflecting device 1 to rotate at a high speed, and the omnibearing projection is realized by matching with the putting in of pictures. And the normal projection mode can be implemented when the rotation of the rotating means 2 is stopped.
Further, the reflecting device 1 includes a reflecting glass; the reflecting glass reflects the incident light path 4 as a reflected light path 5. As can be seen from the above structure, the highly reflective glass can reflect the incident light path 4 as the reflected light path 5.
Further, the reflecting device 1 further comprises an angle adjusting device; the angle adjusting device is used for adjusting the pitching angle of the reflecting glass and changing the up-down position of the projection surface 6. According to the structure, the angle adjusting device is used for adjusting the pitching angle of the reflecting glass, the corresponding projection surface 6 can be adjusted in the vertical position, the height of the projection surface 6 can be automatically adjusted, an adjusting screw at the bottom of the projector does not need to be manually adjusted, and the projector is more convenient to operate.
Further, the angle adjusting device comprises an electric telescopic rod; the bottom of the reflecting glass is rotatably connected to the top of the rotating device 2; one end of the electric telescopic rod is hinged with the rotating device 2, and the other end of the electric telescopic rod is hinged with the reflecting glass. According to the structure, the pitching angle of the reflecting glass can be automatically adjusted by adopting the electric telescopic rod, and the reflecting glass is turned upwards when the electric telescopic rod is shortened; when the electric telescopic rod extends, the reflecting glass turns downwards.
Further, the angle adjusting device comprises a turnover motor; the turnover motor is used for driving the reflecting glass to turn over. According to the structure, the reflecting glass can be driven to turn by the turning motor. The drive can be direct drive or indirect drive through a gear system.
Further, the rotating device 2 comprises a rotary platform and a gyroscope system; the reflecting device 1 is connected to the rotary platform; the gyroscope system is used for judging the rotation angle of the reflecting device 1. According to the structure, the high-precision gyroscope system is arranged on the rotary platform, so that parameters such as the rotating angle are judged, and the omnibearing projection is realized by matching with the putting of the picture.
Further, the rotating device 2 further comprises a rotating motor 7; the rotating motor 7 is used for driving the rotary platform to rotate. As can be seen from the above structure, the rotating electrical machine 7 is used for driving the rotating platform to rotate, for example, the rotating electrical machine 7 can indirectly drive the rotating platform to rotate through a gear system.
Further, the rotating device 2 further comprises a bearing device 8; the bearing device 8 is used for supporting the rotary platform. According to the structure, the bearing of the rotary platform and the reflecting device 1 is borne by the bearing device 8, and the bearing device 8 provides lubrication assistance for the rotary platform, so that the smoothness of rotation is improved. The optical machine 3 is positioned below the bearing device 8, and the incident light path 4 sequentially passes through the bearing device 8 and a channel between the rotary platform from bottom to top and is irradiated on the reflecting device 1.
Further, the optical machine 3 is a long-focus optical machine. According to the structure, the long-focus machine has smaller emission angle and is more favorable for realizing light path reflection.
The invention has the beneficial effects that:
the invention discloses a panoramic non-directional projection system, which comprises a reflecting device, a rotating device and an optical machine; the optical machine is used for vertically transmitting an incident light path; the reflecting device is used for changing the direction of an incident light path, so that the incident light path is reflected into a reflecting light path to project a projection surface; the rotating device can drive the reflecting device to rotate by taking the incident light path as a center, and the projection direction of the reflecting light path is changed. The panoramic non-directional projection system can realize that one machine can simultaneously complete the projection of a plurality of screens, can realize the projection in a certain annular area, and can break through the directional projection mode of the conventional projector.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the drawings: 1-reflection device, 2-rotation device, 3-optical machine, 4-incident light path, 5-reflection light path, 6-projection surface, 7-rotation motor and 8-bearing device.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and the embodiments, but the present invention is not limited to the following examples.
The first embodiment is as follows:
see figure 1. The panoramic non-directional projection system comprises a reflecting device 1, a rotating device 2 and an optical machine 3; the optical machine 3 is used for vertically emitting an incident light path 4; the reflecting device 1 is used for changing the direction of the incident light path 4, so that the incident light path 4 is reflected into a reflecting light path 5 to project a projection surface 6; the rotating device 2 can drive the reflecting device 1 to rotate by taking the center of the incident light path 4 as a center, and change the projection direction of the reflecting light path 5. With the above structure, the optical machine 3 vertically emits the incident light path 4 with the light image, and the incident light path 4 is reflected into the horizontal reflection light path 5 by the reflection device 1, so as to project the projection surface 6 on the screen. When the projection is required to be performed on the screens in different directions, the rotating device 2 is only required to drive the reflecting device 1 to rotate by a corresponding angle by taking the center of the incident light path 4 as the center, and the reflecting light path 5 can be projected onto the screen in the corresponding direction without moving the projector integrally, so that the control is convenient. When projection is required to be carried out in a certain annular area, the reflecting light path can be projected in the certain annular area only by driving the reflecting device 1 to rotate within a certain angle range by taking the center of the incident light path 4 as the center through the rotating device 2. When 360-degree omnibearing projection is needed, the reflector 1 is driven by the rotating device 2 to rotate 360 degrees by taking the center of the incident light path 4 as the center, and the reflector can realize the omnibearing projection of the reflected light path. The panoramic non-directional projection system can meet the requirements of projection at different angles on a horizontal plane and can realize the requirement of 360-degree omnibearing projection in a specific scene. The optical machine needs to input high-speed signals, the heat productivity of the optical machine is large, and a huge heat dissipation system is needed, so that the optical machine system cannot rotate at high speed. The optical machine is vertically installed, the direction of an incident light path 4 is vertical upwards, a reflecting device 1 is arranged above the incident light path 4, and the incident light path 4 in the vertical direction is changed into a reflecting light path 5 in the horizontal direction for projection. The reflecting device 1 is arranged on the rotating device 2, the rotating device 2 drives the reflecting device 1 to rotate at a high speed, and the omnibearing projection is realized by matching with the putting in of pictures. And the normal projection mode can be implemented when the rotation of the rotating means 2 is stopped.
Example two:
see figure 1. The panoramic non-directional projection system comprises a reflecting device 1, a rotating device 2 and an optical machine 3; the optical machine 3 is used for vertically emitting an incident light path 4; the reflecting device 1 is used for changing the direction of the incident light path 4, so that the incident light path 4 is reflected into a reflecting light path 5 to project a projection surface 6; the rotating device 2 can drive the reflecting device 1 to rotate by taking the center of the incident light path 4 as a center, and change the projection direction of the reflecting light path 5. With the above structure, the optical machine 3 vertically emits the incident light path 4 with the light image, and the incident light path 4 is reflected into the horizontal reflection light path 5 by the reflection device 1, so as to project the projection surface 6 on the screen. When the projection is required to be performed on the screens in different directions, the rotating device 2 is only required to drive the reflecting device 1 to rotate by a corresponding angle by taking the center of the incident light path 4 as the center, and the reflecting light path 5 can be projected onto the screen in the corresponding direction without moving the projector integrally, so that the control is convenient. When projection is required to be carried out in a certain annular area, the reflecting light path can be projected in the certain annular area only by driving the reflecting device 1 to rotate within a certain angle range by taking the center of the incident light path 4 as the center through the rotating device 2. When 360-degree omnibearing projection is needed, the reflector 1 is driven by the rotating device 2 to rotate 360 degrees by taking the center of the incident light path 4 as the center, and the reflector can realize the omnibearing projection of the reflected light path. The panoramic non-directional projection system can meet the requirements of projection at different angles on a horizontal plane and can realize the requirement of 360-degree omnibearing projection in a specific scene. The optical machine needs to input high-speed signals, the heat productivity of the optical machine is large, and a huge heat dissipation system is needed, so that the optical machine system cannot rotate at high speed. The optical machine is vertically installed, the direction of an incident light path 4 is vertical upwards, a reflecting device 1 is arranged above the incident light path 4, and the incident light path 4 in the vertical direction is changed into a reflecting light path 5 in the horizontal direction for projection. The reflecting device 1 is arranged on the rotating device 2, the rotating device 2 drives the reflecting device 1 to rotate at a high speed, and the omnibearing projection is realized by matching with the putting in of pictures. And the normal projection mode can be implemented when the rotation of the rotating means 2 is stopped.
The reflecting device 1 comprises reflecting glass; the reflecting glass reflects the incident light path 4 as a reflected light path 5. As can be seen from the above structure, the highly reflective glass can reflect the incident light path 4 as the reflected light path 5.
The reflecting device 1 further comprises an angle adjusting device; the angle adjusting device is used for adjusting the pitching angle of the reflecting glass and changing the up-down position of the projection surface 6. According to the structure, the angle adjusting device is used for adjusting the pitching angle of the reflecting glass, the corresponding projection surface 6 can be adjusted in the vertical position, the height of the projection surface 6 can be automatically adjusted, an adjusting screw at the bottom of the projector does not need to be manually adjusted, and the projector is more convenient to operate.
The angle adjusting device comprises an electric telescopic rod; the bottom of the reflecting glass is rotatably connected to the top of the rotating device 2; one end of the electric telescopic rod is hinged with the rotating device 2, and the other end of the electric telescopic rod is hinged with the reflecting glass. According to the structure, the pitching angle of the reflecting glass can be automatically adjusted by adopting the electric telescopic rod, and the reflecting glass is turned upwards when the electric telescopic rod is shortened; when the electric telescopic rod extends, the reflecting glass turns downwards.
Example three:
see figure 1. The panoramic non-directional projection system comprises a reflecting device 1, a rotating device 2 and an optical machine 3; the optical machine 3 is used for vertically emitting an incident light path 4; the reflecting device 1 is used for changing the direction of the incident light path 4, so that the incident light path 4 is reflected into a reflecting light path 5 to project a projection surface 6; the rotating device 2 can drive the reflecting device 1 to rotate by taking the center of the incident light path 4 as a center, and change the projection direction of the reflecting light path 5. With the above structure, the optical machine 3 vertically emits the incident light path 4 with the light image, and the incident light path 4 is reflected into the horizontal reflection light path 5 by the reflection device 1, so as to project the projection surface 6 on the screen. When the projection is required to be performed on the screens in different directions, the rotating device 2 is only required to drive the reflecting device 1 to rotate by a corresponding angle by taking the center of the incident light path 4 as the center, and the reflecting light path 5 can be projected onto the screen in the corresponding direction without moving the projector integrally, so that the control is convenient. When projection is required to be carried out in a certain annular area, the reflecting light path can be projected in the certain annular area only by driving the reflecting device 1 to rotate within a certain angle range by taking the center of the incident light path 4 as the center through the rotating device 2. When 360-degree omnibearing projection is needed, the reflector 1 is driven by the rotating device 2 to rotate 360 degrees by taking the center of the incident light path 4 as the center, and the reflector can realize the omnibearing projection of the reflected light path. The panoramic non-directional projection system can meet the requirements of projection at different angles on a horizontal plane and can realize the requirement of 360-degree omnibearing projection in a specific scene. The optical machine needs to input high-speed signals, the heat productivity of the optical machine is large, and a huge heat dissipation system is needed, so that the optical machine system cannot rotate at high speed. The optical machine is vertically installed, the direction of an incident light path 4 is vertical upwards, a reflecting device 1 is arranged above the incident light path 4, and the incident light path 4 in the vertical direction is changed into a reflecting light path 5 in the horizontal direction for projection. The reflecting device 1 is arranged on the rotating device 2, the rotating device 2 drives the reflecting device 1 to rotate at a high speed, and the omnibearing projection is realized by matching with the putting in of pictures. And the normal projection mode can be implemented when the rotation of the rotating means 2 is stopped.
The reflecting device 1 comprises reflecting glass; the reflecting glass reflects the incident light path 4 as a reflected light path 5. As can be seen from the above structure, the highly reflective glass can reflect the incident light path 4 as the reflected light path 5.
The reflecting device 1 further comprises an angle adjusting device; the angle adjusting device is used for adjusting the pitching angle of the reflecting glass and changing the up-down position of the projection surface 6. According to the structure, the angle adjusting device is used for adjusting the pitching angle of the reflecting glass, the corresponding projection surface 6 can be adjusted in the vertical position, the height of the projection surface 6 can be automatically adjusted, an adjusting screw at the bottom of the projector does not need to be manually adjusted, and the projector is more convenient to operate.
The angle adjusting device comprises a turnover motor; the turnover motor is used for driving the reflecting glass to turn over. According to the structure, the reflecting glass can be driven to turn by the turning motor. The drive can be direct drive or indirect drive through a gear system.
The rotating device 2 comprises a rotary platform and a gyroscope system; the reflecting device 1 is connected to the rotary platform; the gyroscope system is used for judging the rotation angle of the reflecting device 1. According to the structure, the high-precision gyroscope system is arranged on the rotary platform, so that parameters such as the rotating angle are judged, and the omnibearing projection is realized by matching with the putting of the picture.
The rotating device 2 further comprises a rotating motor 7; the rotating motor 7 is used for driving the rotary platform to rotate. As can be seen from the above structure, the rotating electrical machine 7 is used for driving the rotating platform to rotate, for example, the rotating electrical machine 7 can indirectly drive the rotating platform to rotate through a gear system.
The rotating means 2 further comprise bearing means 8; the bearing device 8 is used for supporting the rotary platform. According to the structure, the bearing of the rotary platform and the reflecting device 1 is borne by the bearing device 8, and the bearing device 8 provides lubrication assistance for the rotary platform, so that the smoothness of rotation is improved. The optical machine 3 is positioned below the bearing device 8, and the incident light path 4 sequentially passes through the bearing device 8 and a channel between the rotary platform from bottom to top and is irradiated on the reflecting device 1.
The optical machine 3 is a long-focus optical machine. According to the structure, the long-focus machine has smaller emission angle and is more favorable for realizing light path reflection.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. Panorama unoriented projection system, its characterized in that: comprises a reflecting device (1), a rotating device (2) and an optical machine (3); the optical machine (3) is used for vertically emitting an incident light path (4); the reflecting device (1) is used for changing the direction of the incident light path (4), so that the incident light path (4) is reflected into a reflecting light path (5) and a projection surface (6) is projected; the rotating device (2) can drive the reflecting device (1) to rotate by taking the center of the incident light path (4) as the center, and the projection direction of the reflecting light path (5) is changed.
2. The panoramic omnidirectional projection system of claim 1, wherein: the reflecting device (1) comprises reflecting glass; the reflective glass reflects the incident light path (4) as a reflected light path (5).
3. The panoramic omnidirectional projection system of claim 2, wherein: the reflecting device (1) further comprises an angle adjusting device; the angle adjusting device is used for adjusting the pitching angle of the reflecting glass and changing the up-down position of the projection surface (6).
4. The panoramic omnidirectional projection system of claim 3, wherein: the angle adjusting device comprises an electric telescopic rod; the bottom of the reflecting glass is rotatably connected to the top of the rotating device (2); one end of the electric telescopic rod is hinged with the rotating device (2), and the other end of the electric telescopic rod is hinged with the reflecting glass.
5. The panoramic omnidirectional projection system of claim 3, wherein: the angle adjusting device comprises a turnover motor; the turnover motor is used for driving the reflecting glass to turn over.
6. The panoramic omnidirectional projection system of claim 1, wherein: the rotating device (2) comprises a rotary platform and a gyroscope system; the reflecting device (1) is connected to the rotary platform; the gyroscope system is used for judging the rotation angle of the reflecting device (1).
7. The panoramic omnidirectional projection system of claim 6, wherein: the rotating device (2) further comprises a rotating motor (7); and the rotating motor (7) is used for driving the rotary platform to rotate.
8. The panoramic omnidirectional projection system of claim 7, wherein: the rotating device (2) further comprises a bearing device (8); the bearing device (8) is used for supporting the rotary platform.
9. The panoramic omnidirectional projection system of claim 1, wherein: the optical machine (3) is a long-focus optical machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011008636.2A CN112099306A (en) | 2020-09-23 | 2020-09-23 | Panoramic non-directional projection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011008636.2A CN112099306A (en) | 2020-09-23 | 2020-09-23 | Panoramic non-directional projection system |
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| GB2100461A (en) * | 1981-05-22 | 1982-12-22 | Reid & Co Uxbridge Ltd | A mirror attachment e.g. for a camera |
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| WO2002019029A1 (en) * | 2000-08-30 | 2002-03-07 | Active Light Gmbh | Transparent image projector and image support |
| JP2002176572A (en) * | 2000-12-06 | 2002-06-21 | Minolta Co Ltd | Portable device provided with digital camera |
| WO2003032077A1 (en) * | 2001-10-08 | 2003-04-17 | Robert Bosch Gmbh | Camera using a mirror for adjustment of viewing angle |
| CN206370269U (en) * | 2016-12-30 | 2017-08-01 | 大连摩尔登科技股份有限公司 | The optical projection system of large area view field can be covered |
| WO2018228278A1 (en) * | 2017-06-14 | 2018-12-20 | 杭州海康威视数字技术股份有限公司 | Panoramic detail camera |
| CN109089019A (en) * | 2017-06-14 | 2018-12-25 | 杭州海康威视数字技术股份有限公司 | Details camera and panorama details video camera |
| CN212433982U (en) * | 2016-11-04 | 2021-01-29 | 重庆城市管理职业学院 | Automatic adjusting projection device |
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2020
- 2020-09-23 CN CN202011008636.2A patent/CN112099306A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2100461A (en) * | 1981-05-22 | 1982-12-22 | Reid & Co Uxbridge Ltd | A mirror attachment e.g. for a camera |
| JP2001305651A (en) * | 2000-04-25 | 2001-11-02 | Strawberry Media Arts:Kk | Projection unit |
| WO2002019029A1 (en) * | 2000-08-30 | 2002-03-07 | Active Light Gmbh | Transparent image projector and image support |
| JP2002176572A (en) * | 2000-12-06 | 2002-06-21 | Minolta Co Ltd | Portable device provided with digital camera |
| WO2003032077A1 (en) * | 2001-10-08 | 2003-04-17 | Robert Bosch Gmbh | Camera using a mirror for adjustment of viewing angle |
| CN212433982U (en) * | 2016-11-04 | 2021-01-29 | 重庆城市管理职业学院 | Automatic adjusting projection device |
| CN206370269U (en) * | 2016-12-30 | 2017-08-01 | 大连摩尔登科技股份有限公司 | The optical projection system of large area view field can be covered |
| WO2018228278A1 (en) * | 2017-06-14 | 2018-12-20 | 杭州海康威视数字技术股份有限公司 | Panoramic detail camera |
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Application publication date: 20201218 |
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