CN112800861A - Face recognition equipment convenient to adjust angle of shooting with video-corder - Google Patents
Face recognition equipment convenient to adjust angle of shooting with video-corder Download PDFInfo
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- CN112800861A CN112800861A CN202110024364.3A CN202110024364A CN112800861A CN 112800861 A CN112800861 A CN 112800861A CN 202110024364 A CN202110024364 A CN 202110024364A CN 112800861 A CN112800861 A CN 112800861A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000004308 accommodation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000576 supplementary effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
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Abstract
The invention relates to the technical field of face recognition equipment, and discloses face recognition equipment convenient for adjusting a shooting and recording angle. This face identification equipment convenient to adjust and shoot with video-corder angle changes the touch panel angle through the revolving rack rotation, and the butt chucking revolving rack of activity roller increases equipment accommodation, and the transmission of cooperation connecting rod when revolving rack rotates, increases the electro-magnet magnetic field and attracts the magnetic path dynamics, is close to each other between the clamp splice under the linkage transmission, and articulated elastic lens curvature reduces between the clamp splice, and the focus of camera lens is shot with video-corder in the supplementary compensation of focus lengthening of focus, and it is consuming time to reduce the camera lens range finding once more to focus.
Description
Technical Field
The invention relates to the technical field of face recognition equipment, in particular to face recognition equipment convenient for adjusting a shooting and recording angle.
Background
The face recognition is a biological recognition technology for carrying out identity recognition based on face characteristic information of people, a computer image processing technology is matched with biometrics, and information of the face is collected through a camera, so that the face recognition is a new biological recognition technology, in the process of face recognition, the existing bank self-service machine, because the heights of the client groups are different, and the relative distance between the client and the bank server needs to be adjusted by walking in order to ensure that the face is projected to the center of the screen correctly when the camera collects information, the use experience of the client is reduced, the existing camera has the automatic focusing function, but the focusing process needs to go through the steps of distance measurement, focus detection and the like, after the relative distance between the client and the autonomous server is changed, the camera is required to perform the steps of distance measurement, focusing and the like again, so that the working time of the server is increased, and the service efficiency is reduced.
In order to solve the problems, the inventor provides the face recognition device convenient for adjusting the shooting angle, the face recognition device convenient for adjusting the shooting angle drives the touch panel to rotate by rotating the rotating frame, meanwhile, the movable roller is abutted to the inside of the clamping block to keep the angle of the rotating frame, the adaptation range of the device is increased, the rotating frame is matched with the transmission of the connecting rod I during rotation, the magnetic field of the electromagnet is increased to attract the magnetic blocks, under the transmission of the connecting rod group, the clamping blocks are close to each other, the curvature of the elastic lens hinged between the clamping blocks is reduced, the focal length is lengthened to assist in compensating the focal length of the camera, the time consumed by ranging and focusing of the lens is reduced, and the recognition efficiency.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the face recognition device convenient for adjusting the shooting angle, which has the advantages of being convenient for adjusting the panel angle to adapt to people with different heights and reducing focusing time consumption by the aid of the lens for changing the focal length in the adjusting process, and solves the problems that the distance between the face recognition device and a server needs to be adjusted according to the height of the face recognition device, and the distance measurement and focusing are finished by the lens after the distance adjustment is finished.
(II) technical scheme
In order to realize the purposes of conveniently adjusting the angle of the panel to adapt to people with different heights and reducing focusing time by the aid of the lens for changing focal length in the adjusting process, the invention provides the following technical scheme: a face recognition device convenient for adjusting shooting and recording angles comprises a shell, wherein the middle of the shell is rotatably connected with a rotating frame, the bottom of the rotating frame is hinged with a first connecting rod, the bottom of the first connecting rod is hinged with a first sliding block, the bottom of the first sliding block is fixedly connected with a contact, one end of the shell, which is close to the contact, is fixedly connected with an adjusting resistor, the top of the right end of the shell is fixedly connected with a limiting arc frame, the inner wall of the limiting arc frame is fixedly connected with a first clamping block, the top of the right end of the rotating frame is fixedly connected with a hinged block, the inside of the right end of the hinged block is elastically connected with a movable roller through a first spring, the inside of the right end of the shell is limited and connected with a movable arc plate, the periphery of the movable arc plate is provided with a limiting groove, the left side of the top end of, the left side and the right side of the magnetic block are connected with clamping blocks through a linkage in a transmission mode, the other ends of the clamping blocks are hinged with elastic lenses, and one end, close to the elastic lenses, of the fixing frame is fixedly connected with an electromagnet.
Preferably, the top of the shell is hollow, a groove is formed in the right side of the top of the shell, an adjusting disc is fixedly connected to the periphery of the rotation axis of the rotating frame, the rotating frame is connected to the inside of the shell in a limiting mode, the rotating frame and the touch panel are located in the same rotation axis, and the rotating frame rotates to drive the movable arc plate and the touch panel to rotate by an angle.
Preferably, the bottom of the rotating frame is connected with a first sliding block through a connecting rod in a transmission mode, the right end of the first sliding block is elastically connected with a spring, the first sliding block is connected in the shell in a limiting mode, and the first sliding block is rotated and moved downwards to be matched with the first connecting rod in the transmission mode to change the resistance value of the contact access adjusting resistor.
Preferably, the contact is electrically connected with the adjusting resistor, the initial access of the contact to the adjusting resistor is the maximum value of the resistor, and a gap exists between the inner wall of the limiting arc frame and the end of the hinge block, so that the inner wall of the limiting arc frame and the end of the hinge block do not interfere with each other.
Preferably, the movable roller is composed of a movable block and a roller rotatably connected with the center of the movable block, the roller surface of the movable roller is abutted between the first clamping blocks, the first clamping blocks are spherical convex blocks and are distributed on the inner wall of the limiting arc frame at equal intervals, and the first clamping blocks fixedly connected with the inner wall of the limiting arc frame limit the movement of the movable roller.
Preferably, the top end of the touch panel is fixedly connected with a camera, the fixing frame is arranged on the fixing frame in a structure symmetrical to the center of the fixing frame, the magnetic blocks are elastically connected inside the fixing frame, the connecting rod group is composed of two mutually hinged connecting rods, and the relative distance between the clamping blocks is changed through the transmission of the connecting rod group and the movement of the magnetic blocks.
Preferably, the clamp blocks are hinged to the left side and the right side of the fixing frame, the clamp blocks are symmetrically arranged about a vertical axis of the fixing frame, the upper side and the lower side of the elastic lens are hinged to the clamp blocks, and the size of the focal length of the convex lens formed by the elastic lens is adjusted through changing the distance between the clamp blocks.
(III) advantageous effects
Compared with the prior art, the invention provides the face recognition equipment convenient for adjusting the shooting and recording angle, and the face recognition equipment has the following beneficial effects:
1. this face identification equipment convenient to adjust and shoot and record angle, middle part through the casing rotates and is connected with the revolving rack, when using touch panel to shoot and record the head portrait, according to the clockwise angle of adjusting the revolving rack of self height, when customer's height is higher, rotate the revolving rack, the tip of revolving rack articulates respectively has hinge block and movable arc board, along with the revolving rack rotates and movable roller butt is inside a fixture block, when keeping the revolving rack chucking at spacing arc frame inner wall, the revolving rack drives movable arc board and touch panel and overturns downwards simultaneously, thereby reach the effect of the adjusting panel angle of being convenient for, increase the accommodation of equipment.
2. This face identification equipment convenient to adjust and shoot with video-corder angle, it has connecting rod one to articulate through the bottom of revolving rack, the revolving rack rotates simultaneously, the transmission of cooperation connecting rod one, the slider takes movable contact to move rightwards, reduce and insert electro-magnet internal resistance, electro-magnet magnetic field reinforcing attracts the magnetic path, cooperation linkage transmission, make and be close to each other between the clamp splice, articulated elastic lens camber reduces between the clamp splice, the focus is elongated with the focus of supplementary compensation camera, prevent that touch panel from adjusting the back that finishes, it is consuming time to reduce the camera lens range finding once more, thereby reach the supplementary effect that changes the focus in the accommodation process, and the recognition efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the angle adjustment of the present invention;
FIG. 3 is an enlarged view of the fixing frame structure of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;
fig. 6 is an enlarged view of the structure of fig. 3 at C according to the present invention.
In the figure: 1. a housing; 2. rotating the frame; 3. a first connecting rod; 4. a first sliding block; 5. a contact; 6. adjusting the resistance; 7. a limiting arc frame; 8. a first clamping block; 9. hinging the block; 10. a first spring; 11. a movable roller; 12. a movable arc plate; 13. a limiting groove; 14. a touch panel; 15. a fixed mount; 16. a magnetic block; 17. a linkage; 18. a clamping block; 19. an elastic lens; 20. an electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a face recognition device convenient for adjusting a shooting angle comprises a housing 1, a rotating frame 2 is rotatably connected to the middle of the housing 1, the top of the housing 1 is hollow, a groove is formed on the right side of the top of the housing 1, an adjusting disc is fixedly connected to the periphery of a rotation axis of the rotating frame 2, the rotating frame 2 is in limited connection with the inside of the housing 1, the rotating frame 2 and a touch panel 14 are in the same rotation axis, a movable arc plate 12 and the touch panel 14 are driven to rotate by the rotation of the rotating frame 2, a first slider 4 is connected to the bottom of the rotating frame 2 through a first connecting rod 3 in a transmission manner, a spring is elastically connected to the right end of the first slider 4, the first slider 4 is in limited connection with the inside of the housing 1, the rotating frame 2 rotates and moves downwards to match with the first connecting rod 3 in a transmission manner to change the resistance value of a contact 5 connected to the adjusting, the bottom end of a first sliding block 4 is fixedly connected with a contact 5, the contact 5 is electrically connected with an adjusting resistor 6, the initial access of the contact 5 to the adjusting resistor 6 is the maximum value of the resistor, a gap exists between the inner wall of a limiting arc frame 7 and the end part of a hinge block 9, so that the inner wall of the limiting arc frame 7 and the end part of the hinge block 9 do not interfere with each other, one end of a shell 1 close to the contact 5 is fixedly connected with the adjusting resistor 6, the top of the right end of the shell 1 is fixedly connected with the limiting arc frame 7, the inner wall of the limiting arc frame 7 is fixedly connected with a first clamping block 8, the top of the right end of a rotating frame 2 is fixedly connected with the hinge block 9, the inner part of the right end of the hinge block 9 is elastically connected with a movable roller 11 through a first spring 10, the movable roller 11 consists of a movable block and a roller which is rotatably connected with the center of, a first clamping block 8 fixedly connected with the inner wall of a limiting arc frame 7 limits the movement of a movable roller 11, a movable arc plate 12 is in limiting connection with the inside of the right end of a shell 1, a limiting groove 13 is formed in the periphery of the movable arc plate 12, a touch panel 14 is hinged to the left side of the top end of the movable arc plate 12, a camera is fixedly connected to the top end of the touch panel 14, the upper structure of a fixing frame 15 is symmetrically arranged about the center of the fixing frame 15, magnetic blocks 16 are elastically connected to the inside of the fixing frame 15, a connecting rod group 17 is composed of two mutually hinged connecting rods, the relative distance between clamping blocks 18 is changed through the transmission of the connecting rod group 17 and the movement of the magnetic blocks 16, the left side of the top of the touch panel 14 is fixedly connected with the fixing frame 15, the magnetic blocks 16 are movably connected to the inside of the fixing frame 15, the left side and the right side of the magnetic, the upper side and the lower side of the elastic lens 19 are hinged with clamping blocks 18, the focal length of a convex lens formed by the elastic lens 19 is changed and adjusted through the distance between the clamping blocks 18, the other end of the clamping block 18 is hinged with the elastic lens 19, and one end of the fixed frame 15 close to the elastic lens 19 is fixedly connected with an electromagnet 20.
The working process and principle are as follows: when the bank self-service machine is used, because the heights of customers are different, when the lens identifies the face, in order to keep the head portrait of the customer in the center of the screen, the customer needs to move backwards or forwards to change the relative distance with the self-service machine, the rotating frame 2 is connected on the basis of the middle part of the shell 1 in a rotating way, when the head portrait is shot and recorded by using the touch panel 14, the angle of the rotating frame 2 is adjusted according to the height of the customer, when the height of the customer is higher, the rotating frame 2 is rotated clockwise, the end part of the rotating frame 2 is respectively hinged with the hinge block 9 and the movable arc plate 12, the inner part of the hinge block 9 is elastically connected with the movable roller 11 through the spring I10, the movable roller 11 is always abutted between the clamping blocks I8, the rotating frame 2 rotates and the movable roller 11 is abutted inside the clamping blocks I8, when the rotating frame 2 is clamped on the inner wall of the limiting arc frame 7, the relative distance between a client and a shooting lens is increased, the angle of the shooting lens is changed to rotate upwards, the shooting lens is suitable for being used by people with higher heights, otherwise, when the height of the client is lower, the rotating frame 2 rotates anticlockwise under the limit of the limit arc frame 7 and the top of the shell 1, the movable arc plate 12 drives the touch panel 14 to rotate reversely until the touch panel 14 is vertical, the relative distance between the client and the lens is reduced, the effect of conveniently adjusting the angle of the panel is achieved, the application range of the equipment is increased, in the adjusting process, as the bottom of the rotating frame 2 is hinged with the connecting rod I3, the bottom end of the connecting rod I3 is hinged with the sliding block I4, the bottom end of the sliding block I4 is fixedly connected with the contact 5, the contact 5 is electrically connected with the adjusting resistor 6 and the electromagnet 20, the rotating frame 2 is matched with the transmission of the connecting rod I3, the electromagnet 20 attracts the magnetic block 16 in a magnetic field enhancement mode, the clamping blocks 18 are connected to the left side and the right side of the magnetic block 16 through the connecting rod set 17 in a transmission mode, the clamping blocks 18 are matched with the connecting rod set 17 in a transmission mode, the lens curvatures of the elastic lenses 19 hinged between the clamping blocks 18 are reduced, the focal length is lengthened to assist in compensating the focal length of the camera, after the touch panel 14 is adjusted, the time consumed for distance measurement and focusing of the lens is reduced, the effect of assisting in changing the focal length in the adjusting process is achieved, and the recognition efficiency is improved.
In conclusion, this face identification equipment convenient to adjust and shoot angle, middle part through casing 1 rotates and is connected with revolving rack 2, when using touch panel 14 to shoot and shoot the head like, according to the clockwise angle of adjusting revolving rack 2 of self height, when customer's height is higher, rotate revolving rack 2, the tip of revolving rack 2 articulates respectively has hinge block 9 and movable arc board 12, along with revolving rack 2 rotates and movable roller 11 butt is inside fixture block 8, when keeping revolving rack 2 chucking at spacing arc frame 7 inner wall, revolving rack 2 drives movable arc board 12 and touch panel 14 upset downwards simultaneously, thereby reach the effect of the adjustment panel angle of being convenient for, increase the accommodation of equipment.
And, this face identification equipment convenient to adjust angle of recording, it has connecting rod one 3 to articulate through the bottom of revolving rack 2, revolving rack 2 rotates simultaneously, the transmission of cooperation connecting rod one 3, slider one 4 drives contact 5 and moves right, reduce and insert 20 internal resistance of electro-magnet, 20 magnetic field reinforcing attraction magnetic path 16 of electro-magnet, cooperation connecting rod group 17 transmission makes between clamp splice 18 close each other, articulated elastic lens 19 lens camber between clamp splice 18 reduces, the focus lengthens in order to assist the focus of compensation camera, prevent that touch panel 14 from adjusting the back, reduce the camera lens again and find range focus time consuming, thereby reach the effect of supplementary change focus in the adjustment process, improve recognition efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a face identification equipment convenient to adjust and shoot with video-corder angle, includes casing (1), its characterized in that: the middle part of the shell (1) is rotatably connected with a rotating frame (2), the bottom of the rotating frame (2) is hinged with a first connecting rod (3), the bottom of the first connecting rod (3) is hinged with a first sliding block (4), the bottom of the first sliding block (4) is fixedly connected with a contact (5), one end, close to the contact (5), of the shell (1) is fixedly connected with an adjusting resistor (6), the top of the right end of the shell (1) is fixedly connected with a limiting arc frame (7), the inner wall of the limiting arc frame (7) is fixedly connected with a first clamping block (8), the top of the right end of the rotating frame (2) is fixedly connected with a hinged block (9), the inside of the right end of the hinged block (9) is elastically connected with a movable roller (11) through a first spring (10), the inside of the right end of the shell (1) is in limited connection with a movable arc plate (12), and a, the left side on activity arc board (12) top articulates there is touch panel (14), the left side fixedly connected with mount (15) at touch panel (14) top, the inside swing joint of mount (15) has magnetic path (16), the left and right sides of magnetic path (16) is connected with clamp splice (18) through linkage (17) transmission, the other end of clamp splice (18) articulates there is elastic lens (19), one end fixedly connected with electro-magnet (20) that mount (15) is close elastic lens (19).
2. The face recognition device of claim 1, wherein the face recognition device is configured to facilitate adjustment of a recording angle, and further comprising: the top of the shell (1) is hollow, a groove is formed in the right side of the top of the shell (1), an adjusting disc is fixedly connected to the periphery of a rotation axis of the rotating frame (2), the rotating frame (2) is connected to the inside of the shell (1) in a limiting mode, and the rotating frame (2) and the touch panel (14) are located on the same rotation axis.
3. The face recognition device of claim 1, wherein the face recognition device is configured to facilitate adjustment of a recording angle, and further comprising: the bottom of the rotating frame (2) is connected with a first sliding block (4) in a transmission mode through a first connecting rod (3), the right end of the first sliding block (4) is elastically connected with a spring, and the first sliding block (4) is connected to the inside of the shell (1) in a limiting mode.
4. The face recognition device of claim 1, wherein the face recognition device is configured to facilitate adjustment of a recording angle, and further comprising: the contact (5) is electrically connected with the adjusting resistor (6), the contact (5) is initially connected into the adjusting resistor (6) to be the maximum value of the resistor, and a gap exists between the inner wall of the limiting arc frame (7) and the end part of the hinge block (9).
5. The face recognition device of claim 1, wherein the face recognition device is configured to facilitate adjustment of a recording angle, and further comprising: the movable roller (11) is composed of a movable block and a roller which is rotationally connected with the center of the movable block, the roller surface of the movable roller (11) is abutted between the first clamping blocks (8), and the first clamping blocks (8) are spherical convex blocks and are distributed on the inner wall of the limiting arc frame (7) at equal intervals.
6. The face recognition device of claim 1, wherein the face recognition device is configured to facilitate adjustment of a recording angle, and further comprising: the top end of the touch panel (14) is fixedly connected with a camera, the upper structure of the fixing frame (15) is arranged in a central symmetry mode about the fixing frame (15), the magnetic blocks (16) are elastically connected inside the fixing frame (15), and the connecting rod group (17) is composed of two mutually hinged connecting rods.
7. The face recognition device of claim 1, wherein the face recognition device is configured to facilitate adjustment of a recording angle, and further comprising: the clamping blocks (18) are hinged to the left side and the right side of the fixing frame (15), the clamping blocks (18) are symmetrically arranged about a vertical axis of the fixing frame (15), and the clamping blocks (18) are hinged to the upper side and the lower side of the elastic lens (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110024364.3A CN112800861A (en) | 2021-01-08 | 2021-01-08 | Face recognition equipment convenient to adjust angle of shooting with video-corder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110024364.3A CN112800861A (en) | 2021-01-08 | 2021-01-08 | Face recognition equipment convenient to adjust angle of shooting with video-corder |
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| Publication Number | Publication Date |
|---|---|
| CN112800861A true CN112800861A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110024364.3A Withdrawn CN112800861A (en) | 2021-01-08 | 2021-01-08 | Face recognition equipment convenient to adjust angle of shooting with video-corder |
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| Country | Link |
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| CN (1) | CN112800861A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383647A (en) * | 2021-12-01 | 2022-04-22 | 深圳市摩控自动化设备有限公司 | Detector for measuring, controlling and maintaining precision instrument |
| CN115257562A (en) * | 2022-08-13 | 2022-11-01 | 珠海骏驰科技有限公司 | Vehicle-mounted safe driving system combining face recognition warning and data communication technology |
-
2021
- 2021-01-08 CN CN202110024364.3A patent/CN112800861A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383647A (en) * | 2021-12-01 | 2022-04-22 | 深圳市摩控自动化设备有限公司 | Detector for measuring, controlling and maintaining precision instrument |
| CN115257562A (en) * | 2022-08-13 | 2022-11-01 | 珠海骏驰科技有限公司 | Vehicle-mounted safe driving system combining face recognition warning and data communication technology |
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Application publication date: 20210514 |
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