CN113007523A - Face recognition device capable of adjusting position according to height - Google Patents
Face recognition device capable of adjusting position according to height Download PDFInfo
- Publication number
- CN113007523A CN113007523A CN202110207007.0A CN202110207007A CN113007523A CN 113007523 A CN113007523 A CN 113007523A CN 202110207007 A CN202110207007 A CN 202110207007A CN 113007523 A CN113007523 A CN 113007523A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- face recognition
- recognition device
- height
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- 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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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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
Abstract
The invention relates to the technical field of human face recognition, and discloses a human face recognition device capable of adjusting position according to height, which comprises a base, wherein the top of the base is fixedly connected with a guide pillar, the top of the guide pillar is fixedly connected with a top cover, the inside of the base is slidably connected with a touch plate, the top of a spray head is fixedly connected with a connecting rod, the inside of the connecting rod is fixedly connected with a press ball, the inside of the top cover is slidably connected with a movable pulley, the inner wall of the top cover is fixedly connected with an electromagnet, the inner wall of the top cover is slidably connected with a sliding block, and the outer side of the sliding block. This can be according to the face identification device of height adjusting position leaves the base through the people, and tension spring drives the touch panel and rises, and the touch panel drives the piston rod and rises, and the piston rod drives the piston board and rises, and the piston board does not swing this moment, and the cooperation of rethread piston board and valve is used to reach ability self-cleaning equipment, long service life's effect.
Description
Technical Field
The invention relates to the technical field of face recognition, in particular to a face recognition device capable of adjusting the position according to the height.
Background
The face recognition is a biological recognition technology for carrying out identity recognition based on face feature information of people, and the face recognition utilizes a camera or a camera to collect images or video streams containing faces, automatically detects and tracks the faces in the images, further carries out a series of related application operations on the detected face images, and technically comprises image collection, feature positioning, identity confirmation, identity search and the like.
The existing face recognition device is mostly fixedly installed and cannot be adjusted in height, when a recognized person is high, the face recognition device is difficult to recognize faces, people are required to squat for recognition, when the recognized person is low, the height of the person is increased by standing on the stool, the face recognition device cannot be suitable for different people, the application range is small, and the use is inconvenient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the face recognition device capable of adjusting the position according to the height, which has the advantages of automatic adjustment of the height of equipment according to the height of a person, convenience in use, high intelligent degree, automatic cleaning of the equipment, long service life and the like, and solves the problems that most of the existing face recognition devices are fixedly installed and cannot adjust the height, when the recognized person is higher, the equipment is difficult to recognize the face, the person needs to squat for recognition, when the recognized person is shorter, the height of the person needs to be increased when the person stands on a stool, the face recognition device cannot be suitable for different people, the application range is smaller, and the use is inconvenient.
(II) technical scheme
In order to realize the purposes of automatically adjusting the height of the equipment according to the height of a person, convenient use, high intelligent degree, automatic equipment cleaning and long service life, the invention provides the following technical scheme: a human face recognition device capable of adjusting positions according to heights comprises a base, wherein a guide pillar is fixedly connected to the top of the base, a top cover is fixedly connected to the top of the guide pillar, a cushion pad is fixedly connected to the top of the base and positioned on the left side of the guide pillar, a touch panel is slidably connected to the inside of the base, a tension spring is fixedly connected to the top of the touch panel, a moving contact is slidably connected to the bottom of the touch panel, a buffer spring is fixedly connected to the top of the moving contact, a piston rod is fixedly connected to the top of the touch panel, a piston plate is movably connected to the top of the piston rod, a valve is movably connected to the top of the base, a support is sleeved on the outer side of the guide pillar, a gear is fixedly connected to the inside of the support, a driving wheel is fixedly connected to the inside of the gear, the bottom fixedly connected with kelly of kicking ball, the bottom sliding connection of top cap has the shower nozzle, the top fixedly connected with connecting rod of shower nozzle, the inside fixedly connected with pressure ball of connecting rod, the inside sliding connection of top cap has the movable pulley, the inner wall fixedly connected with electro-magnet of top cap, the inner wall sliding connection of top cap has the slider, the outside swing joint of slider has the jack catch.
Preferably, the base is provided with a blowing hole inside, the piston rod is slidably connected inside the blowing hole, and the valve is movably connected to the top of the blowing hole.
Preferably, the left side of the guide post is provided with a tooth groove, and the gear is meshed in the tooth groove, so that the gear can move when rotating.
Preferably, the top of the touch plate is fixedly connected with a pressure lever, and the pressure lever is slidably connected inside the buffer pad, so that the touch plate can be driven to descend when the buffer pad is extruded.
Preferably, the inner wall of the gear is fixedly connected with a ratchet, and the swing pawl is clamped in the middle of the ratchet.
Preferably, the inside fixedly connected with driving rope of top cap, and driving rope passes through the movable pulley and changes transmission direction, and the other end fixed connection of driving rope simultaneously is at the top of support, guarantees that the stroke of movable pulley is half of the stroke of support to play the effect of enlarged distance.
Preferably, the top of shower nozzle fixedly connected with gag lever post, and the draw-in groove has been seted up in the outside of gag lever post, and the jack catch joint is inside the draw-in groove simultaneously.
Preferably, the top of the pressing ball is fixedly connected with a bearing plate, and the pressing ball is connected with the top ball through an air pipe.
(III) advantageous effects
Compared with the prior art, the invention provides the face recognition device capable of adjusting the position according to the height, which has the following beneficial effects:
1. the human face recognition device capable of adjusting the position according to the height comprises a cushion pad, the cushion pad descends to drive a pressure rod to descend, the pressure rod drives a contact plate to descend, the contact plate drives a moving contact to descend, the moving contact is slowly contacted with a control switch under the action of a buffer spring, at the moment, gas is sprayed out of a nozzle, the gas drives the nozzle to ascend under the action of human reaction force, the nozzle ascends to drive a connecting rod to ascend, the connecting rod ascends to drive a pressure ball to ascend, meanwhile, a driving wheel is electrified to rotate, the driving wheel rotates to drive a swing claw to rotate, the swing claw drives a gear to rotate through a ratchet, the gear rotates to drive a support to descend, the support descends to drive a transmission rope, the transmission rope drives a movable pulley to descend, when the movable pulley descends to the position of the connecting rod, the movable pulley extrudes the pressure ball through a bearing plate, the pressure, thereby the effect of automatically adjusting the height of the equipment according to the height of a person is achieved.
2. This can be according to the face identification device of height adjusting position leaves the base through the people, and tension spring drives the touch panel and rises, and the touch panel drives the piston rod and rises, and the piston rod drives the piston board and rises, and the piston board does not swing this moment, and the cooperation of rethread piston board and valve is used to reach ability self-cleaning equipment, long service life's effect.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a portion of a base of the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic view of a portion of a structural brace of the present invention;
FIG. 5 is a schematic view of a portion of a structural top cover of the present invention;
FIG. 6 is an enlarged view of portion B of the block diagram of FIG. 5 according to the present invention.
In the figure: 1. a base; 2. a guide post; 3. a top cover; 4. a cushion pad; 5. a touch panel; 6. a tension spring; 7. a moving contact; 8. a buffer spring; 9. a piston rod; 10. a piston plate; 11. a valve; 12. a support; 13. a gear; 14. a drive wheel; 15. swinging the claw; 16. ejecting the ball; 17. a clamping rod; 18. a spray head; 19. a connecting rod; 20. pressing the ball; 21. a movable pulley; 22. an electromagnet; 23. a slider; 24. a claw is provided.
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 human face recognition device capable of adjusting position according to height comprises a base 1, a blowing hole is formed in the base 1, a piston rod 9 is slidably connected to the inside of the blowing hole, a valve 11 is movably connected to the top of the blowing hole, a guide pillar 2 is fixedly connected to the top of the base 1, a tooth socket is formed in the left side of the guide pillar 2, a gear 13 is engaged with the inside of the tooth socket to enable the gear 13 to move when rotating, a top cover 3 is fixedly connected to the top of the guide pillar 2, a transmission rope is fixedly connected to the inside of the top cover 3 and changes the transmission direction through a movable pulley 21, the other end of the transmission rope is fixedly connected to the top of a support 12 to ensure that the stroke of the movable pulley 21 is half of that of the support 12, so as to enlarge the distance, a cushion 4 is fixedly connected to the top of the base 1 and positioned on the left side of the guide pillar, the top of the contact plate 5 is fixedly connected with a pressure lever which is connected inside the cushion pad 4 in a sliding manner, so that the cushion pad 4 can be driven to descend when being extruded, the top of the contact plate 5 is fixedly connected with a tension spring 6, the bottom of the contact plate 5 is connected with a moving contact 7 in a sliding manner, the top of the moving contact 7 is fixedly connected with a buffer spring 8, the top of the contact plate 5 is fixedly connected with a piston rod 9, the top of the piston rod 9 is movably connected with a piston plate 10, the top of the base 1 is movably connected with a valve 11, the outer side of the guide post 2 is sleeved with a support 12, the inside of the support 12 is fixedly connected with a gear 13, the inner wall of the gear 13 is fixedly connected with a ratchet, a swing claw 15 is clamped in the middle, the inside of the gear 13 is fixedly connected with a driving wheel 14, the outer side of the driving wheel 14 is movably connected, the bottom sliding connection of top cap 3 has shower nozzle 18, the top fixedly connected with gag lever post of shower nozzle 18, and the draw-in groove has been seted up in the outside of gag lever post, simultaneously 24 joints of jack catch are inside the draw-in groove, the top fixedly connected with connecting rod 19 of shower nozzle 18, the inside fixedly connected with of connecting rod 19 presses ball 20, the top fixedly connected with of pressing ball 20 accepts the board, and press ball 20 to be connected with kicking ball 16 through the trachea, the inside sliding connection of top cap 3 has movable pulley 21, the inner wall fixedly connected with electro-magnet 22 of top cap 3, the inner wall sliding connection of top cap 3 has slider 23, the outside swing joint of slider 23 has jack.
When the device is used, a person treads the buffer pad 4, the buffer pad 4 descends to drive the pressure rod to descend, the pressure rod drives the contact plate 5 to descend, the contact plate 5 descends to drive the piston rod 9 to descend, the piston rod 9 drives the piston plate 10 to swing, at the moment, the air blowing hole cannot suck air, no dust enters the base 1, meanwhile, the contact plate 5 drives the moving contact 7 to descend, the moving contact 7 is slowly contacted with the control switch under the action of the buffer spring 8, at the moment, the spray head 18 sprays air, the air drives the spray head 18 to ascend under the action of human reaction force, the spray head 18 ascends to drive the connecting rod 19 to ascend, the connecting rod 19 ascends to drive the pressure ball 20 to ascend, the electromagnet 22 generates magnetic force when the control switch is opened, the electromagnet 22 drives the slide block 23 to slide towards the direction of the limiting rod, the slide block 23 drives the clamping jaws 24 to be clamped, the claw 24 limits the limiting rod to descend, the limiting rod limits the spray head 18 to descend, the spray head 18 enables the connecting rod 19 to keep stable, meanwhile, the driving wheel 14 is electrified to rotate, the driving wheel 14 rotates to drive the swing claw 15 to rotate, the swing claw 15 drives the gear 13 to rotate through the ratchet, the gear 13 rotates to drive the bracket 12 to descend, the bracket 12 descends to drive the transmission rope to descend, the transmission rope drives the movable pulley 21 to descend, when the movable pulley 21 descends to the position of the connecting rod 19, the movable pulley 21 extrudes the press ball 20 through the bearing plate, the press ball 10 enables the top ball 16 to expand through the air pipe, the top ball 16 drives the clamping rod 17 to descend, the clamping rod 17 descends to limit the rotation of the gear 13, the gear 13 drives the swing claw 15 to swing through the ratchet, at the moment, the driving wheel 14 enables the gear 13 to keep stable through the swing claw 15, the gear 13 enables the support 12 to keep stable, the support 12 enables the recognition device to keep stable, and therefore the effect that the height of the device can be automatically adjusted according to the height of a person is achieved.
After using, the people keeps away from base 1, and tension spring 6 drives touch panel 5 and rises, and touch panel 5 drives piston rod 9 and rises, and piston rod 9 drives piston plate 10 and rises, and piston plate 10 does not swing this moment, and piston plate 10 makes the hole of blowing blow up, and the air current drives the swing of valve 11, and valve 11 makes the air current clean base 1 top, prevents that debris from influencing equipment normal operating.
In summary, in the human face recognition device capable of adjusting the position according to the height, when a person steps on the cushion pad 4, the cushion pad 4 descends to drive the press rod to descend, the press rod drives the touch plate 5 to descend, the touch plate 5 drives the movable contact 7 to descend, the movable contact 7 is in slow contact with the control switch under the action of the buffer spring 8, at this time, the spray head 18 sprays gas, the gas drives the spray head 18 to ascend under the action of the human reaction force, the spray head 18 ascends to drive the connecting rod 19 to ascend, the connecting rod 19 ascends to drive the press ball 20 to ascend, the driving wheel 14 is electrified to rotate, the driving wheel 14 rotates to drive the swing claw 15 to rotate, the swing claw 15 drives the gear 13 to rotate through the ratchet, the gear 13 rotates to drive the bracket 12 to descend, the bracket 12 descends to drive the driving rope to drive the movable pulley 21 to descend, when the movable pulley 21 descends to the position of the connecting rod 19, the top ball 16 drives the clamping rod 17 to descend, and then the clamping rod 17 is matched with the gear 13 for use, so that the effect of automatically adjusting the height of the equipment according to the height of a person is achieved. This can be according to face recognition device of height adjusting position leaves base 1 through the people, and tension spring 6 drives touch panel 5 and rises, and touch panel 5 drives piston rod 9 and rises, and piston rod 9 drives piston plate 10 and rises, and piston plate 10 does not swing this moment, and rethread piston plate 10 uses with valve 11's cooperation to reach ability self-cleaning equipment, long service life's effect, application scope is more extensive.
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 (8)
1. The utility model provides a can be according to face recognition device of height adjusting position, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a guide pillar (2), the top of the guide pillar (2) is fixedly connected with a top cover (3), the top of the base (1) is fixedly connected with a cushion pad (4) on the left side of the guide pillar (2), the inside of the base (1) is connected with a touch panel (5) in a sliding manner, the top of the touch panel (5) is fixedly connected with a tension spring (6), the bottom of the touch panel (5) is connected with a moving contact (7) in a sliding manner, the top of the moving contact (7) is fixedly connected with a buffer spring (8), the top of the touch panel (5) is fixedly connected with a piston rod (9), the top of the piston rod (9) is movably connected with a piston plate (10), the top of the base (1) is movably connected with a valve (11), the outer side of the guide pillar (2) is sleeved with a support (12), the inside fixedly connected with drive wheel (14) of gear (13), the outside swing joint of drive wheel (14) has swing claw (15), the inside fixedly connected with top ball (16) of support (12), the bottom fixedly connected with kelly (17) of top ball (16), the bottom sliding connection of top cap (3) has shower nozzle (18), the top fixedly connected with connecting rod (19) of shower nozzle (18), the inside fixedly connected with pressure ball (20) of connecting rod (19), the inside sliding connection of top cap (3) has movable pulley (21), the inner wall fixedly connected with electro-magnet (22) of top cap (3), the inner wall sliding connection of top cap (3) has slider (23), the outside swing joint of slider (23) has jack catch (24).
2. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: the blowing hole is formed in the base (1), the piston rod (9) is connected to the inside of the blowing hole in a sliding mode, and meanwhile the valve (11) is movably connected to the top of the blowing hole.
3. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: tooth grooves are formed in the left side of the guide post (2), and the gear (13) is meshed inside the tooth grooves.
4. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: the top of the touch plate (5) is fixedly connected with a pressing rod, and the pressing rod is connected to the inner part of the cushion pad (4) in a sliding mode.
5. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: the inner wall of the gear (13) is fixedly connected with a ratchet, and the swing pawl (15) is clamped in the middle of the ratchet.
6. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: the inside fixedly connected with driving rope of top cap (3), and driving rope passes through movable pulley (21) and changes the transmission direction, and the other end fixed connection of driving rope simultaneously is at the top of support (12).
7. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: the top fixedly connected with gag lever post of shower nozzle (18), and the draw-in groove has been seted up in the outside of gag lever post, inside jack catch (24) joint draw-in groove simultaneously.
8. A face recognition device according to claim 1, wherein the face recognition device is capable of adjusting position according to height: the top of the pressing ball (20) is fixedly connected with a bearing plate, and the pressing ball (20) is connected with the jacking ball (16) through an air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207007.0A CN113007523A (en) | 2021-02-24 | 2021-02-24 | Face recognition device capable of adjusting position according to height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207007.0A CN113007523A (en) | 2021-02-24 | 2021-02-24 | Face recognition device capable of adjusting position according to height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007523A true CN113007523A (en) | 2021-06-22 |
Family
ID=76387341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110207007.0A Withdrawn CN113007523A (en) | 2021-02-24 | 2021-02-24 | Face recognition device capable of adjusting position according to height |
Country Status (1)
| Country | Link |
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| CN (1) | CN113007523A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070205341A1 (en) * | 2006-03-03 | 2007-09-06 | Ting-Hui Chih | Rotatable apparatus |
| CN210377493U (en) * | 2019-08-29 | 2020-04-21 | 北京蓝海华业科技股份有限公司 | Face recognition device for different heights |
| CN210860489U (en) * | 2019-10-29 | 2020-06-26 | 深圳市思创斯克电子有限公司 | Face identification's data acquisition device support |
| CN111642899A (en) * | 2020-06-05 | 2020-09-11 | 杭州承隆健康咨询有限公司 | Non-medical information consultation device based on ratchet wheel positioning principle |
| CN111828789A (en) * | 2020-07-27 | 2020-10-27 | 广州清辉电子商务有限公司 | Electronic commerce equipment terminal utilizing photosensitive resistor to adjust height |
| CN212519141U (en) * | 2020-07-07 | 2021-02-09 | 江西拓世智能科技有限公司 | Identification module with liquid crystal display screen and iris identification camera |
-
2021
- 2021-02-24 CN CN202110207007.0A patent/CN113007523A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070205341A1 (en) * | 2006-03-03 | 2007-09-06 | Ting-Hui Chih | Rotatable apparatus |
| CN210377493U (en) * | 2019-08-29 | 2020-04-21 | 北京蓝海华业科技股份有限公司 | Face recognition device for different heights |
| CN210860489U (en) * | 2019-10-29 | 2020-06-26 | 深圳市思创斯克电子有限公司 | Face identification's data acquisition device support |
| CN111642899A (en) * | 2020-06-05 | 2020-09-11 | 杭州承隆健康咨询有限公司 | Non-medical information consultation device based on ratchet wheel positioning principle |
| CN212519141U (en) * | 2020-07-07 | 2021-02-09 | 江西拓世智能科技有限公司 | Identification module with liquid crystal display screen and iris identification camera |
| CN111828789A (en) * | 2020-07-27 | 2020-10-27 | 广州清辉电子商务有限公司 | Electronic commerce equipment terminal utilizing photosensitive resistor to adjust height |
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Application publication date: 20210622 |