CN112101295A - Fingerprint identifier utilizing deep ultraviolet LED light source for sterilization - Google Patents
Fingerprint identifier utilizing deep ultraviolet LED light source for sterilization Download PDFInfo
- Publication number
- CN112101295A CN112101295A CN202011090495.3A CN202011090495A CN112101295A CN 112101295 A CN112101295 A CN 112101295A CN 202011090495 A CN202011090495 A CN 202011090495A CN 112101295 A CN112101295 A CN 112101295A
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- Prior art keywords
- fingerprint
- light source
- deep ultraviolet
- fixedly connected
- sterilization
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 37
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 206010011409 Cross infection Diseases 0.000 abstract description 2
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000002070 germicidal effect Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Epidemiology (AREA)
- Multimedia (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Image Input (AREA)
Abstract
The invention discloses a fingerprint recognizer for sterilization by utilizing a deep ultraviolet LED light source, which comprises an outer shell, the deep ultraviolet sterilization light source, a fingerprint integrated component and a hidden lifting device, wherein the outer shell is a rectangular hollow cavity, the hidden lifting device is fixedly connected to the inner wall of the outer shell, the fingerprint integrated component is arranged in the outer shell in a lifting mode, the fingerprint integrated component is fixedly connected to the hidden lifting device, and the deep ultraviolet sterilization light source is fixedly connected to the hidden lifting device. The invention belongs to the technical field of fingerprint identification, and particularly provides a fingerprint identifier which utilizes deep ultraviolet light to efficiently sterilize, avoids cross infection, induces human bodies, has high practicability, is safe and sanitary, and has low cost.
Description
Technical Field
The invention belongs to the technical field of fingerprint identification, and particularly relates to a fingerprint identifier for sterilization by utilizing a deep ultraviolet LED light source.
Background
Fingerprint identification technology is an identification means for verifying identity through fingerprint comparison, and is also the most widely applied biometric identification technology at present. Fingerprint identification has been widely used in various aspects such as attendance, security, public security, door lock, etc., and is a high-frequency skin contact area. Because the finger is very easy to become a carrier for bacteria propagation, the fingerprint identification device which needs to be continuously contacted with the surfaces of the fingers of various people is still inevitable to be a way for the bacteria propagation, and the practicability and the safety of the fingerprint identifier are reduced.
The existing disinfection mode is generally to use disinfectant water or medical alcohol for spray disinfection, and the method has low disinfection efficiency and long disinfection time, seriously influences the precision of fingerprint identification and aggravates the aging of equipment. The invention utilizes the unique sterilization principle of the deep ultraviolet LED, can quickly kill the virus and bacteria in the fingerprint acquisition area of the fingerprint identification instrument, thereby playing the role of epidemic prevention.
The deep ultraviolet LED can emit ultraviolet rays of 260NM-290NM, the ultraviolet rays of the wave band can penetrate through cell membranes and break DNA chains and RNA chains of cells or viruses, and the method belongs to a pure physical sterilization and disinfection method and has the characteristics of broad spectrum, high efficiency, rapidness, thoroughness, no need of adding chemical agents, no drug resistance, no secondary pollution and the like.
Disclosure of Invention
In order to solve the existing problems, the invention provides a method for efficiently sterilizing by utilizing deep ultraviolet rays and avoiding cross infection; the fingerprint recognizer has the advantages of hidden type, lifting type, human body induction, high practicability, safety, sanitation and low cost and utilizes the deep ultraviolet LED light source for sterilization.
The technical scheme adopted by the invention is as follows: the invention relates to a fingerprint recognizer for sterilizing by utilizing a deep ultraviolet LED light source, which comprises an outer shell, the deep ultraviolet sterilizing light source, a fingerprint integrated component and a hidden lifting device, wherein the outer shell is a rectangular hollow cavity, the hidden lifting device is fixedly connected to the inner wall of the outer shell, the fingerprint integrated component is arranged in the outer shell in a lifting way, the fingerprint integrated component is fixedly connected to the hidden lifting device, the deep ultraviolet sterilizing light source is fixedly connected to the hidden lifting device, the fingerprint integrated component comprises a fingerprint component box, a controller, a fingerprint library memory chip, a fingerprint window and a pressing type sensor, the fingerprint component box is arranged in a rectangular shape, the controller and the fingerprint library memory chip are fixedly connected to the fingerprint component box, the fingerprint window is fixedly connected to the upper end of the fingerprint component box, the pressing type sensor is fixedly connected to the lower wall of the fingerprint window, the hidden lifting device, The fingerprint assembly box comprises a driving connecting shaft, a driving gear, a fixing rod, a driven gear, a driven connecting shaft, a connecting rod, a cover plate and a lifting through hole, wherein the fixing rod is respectively and symmetrically and fixedly connected on the inner wall of the outer shell, the motor is respectively and symmetrically and fixedly connected on the inner wall of the fingerprint assembly box, the driving connecting shaft can rotatably penetrate through the side wall of the fingerprint assembly box, one end of the driving connecting shaft is fixedly connected on an output shaft of the motor, the driving gear is fixedly connected on one end, away from the motor, of the driving connecting shaft, the fixing rod is provided with gear teeth, the driving gear is respectively engaged and connected with the gear teeth on the fixing rod, the driven connecting shaft is respectively and rotatably and vertically arranged on the side wall of the fingerprint assembly box, the driven gear is fixedly connected on one end, away from the fingerprint assembly box, of the driven connecting shaft, the connecting rod is vertically, dark ultraviolet germicidal light source rigid coupling is located the apron lower wall and is located directly over the fingerprint window, and dark ultraviolet germicidal light source circular telegram work sends the ultraviolet ray and carries out disinfection to the fingerprint window, safe and reliable, the shell body upper wall is located to the lift through-hole, lift through-hole department is located respectively to the apron, and during motor circular telegram work, the motor drives the initiative and links the axle rotation, and the initiative is linked the axle rotation and is driven the driving gear rotation, and the driving gear rotates fingerprint subassembly box and rises or descend, and the driving gear rotates and drives driven gear rotation simultaneously, and driven gear rotates and drives driven even axle rotation, and driven even axle rotation drives the connecting rod rotation and rotates the apron and open or closed, and the apron is normally closed state, when needing the fingerprint to open, and the.
Furthermore, a pyroelectric infrared sensor is fixedly connected to the upper wall of the cover plate and used as a human body induction switch of the device, when a human body approaches, the pyroelectric infrared sensor sends the monitored infrared rays emitted by the human body to a controller in the form of electric signals, and the controller controls the motor to be electrified to work.
Furthermore, elastic cleaning foam is arranged between the connecting rods rotating in the same direction, and the elastic cleaning foam can clean and remove dust of the fingerprint window under the driving of the connecting rods.
Furthermore, the sum of the areas of the cover plates is larger than the areas of the lifting through holes, the cover plates can completely shield the lifting through holes in a closed state, and the probability of dust prevention and bacteria attachment reduction can be achieved.
Furthermore, be equipped with flexible sealing washer on the apron edge, flexible sealing washer adopts the rubber material to make, plays dustproof, waterproof, extension equipment life's effect.
Preferably, the deep ultraviolet sterilization light source is a deep ultraviolet LED.
The invention with the structure has the following beneficial effects: according to the fingerprint identifier for sterilizing by utilizing the deep ultraviolet LED light source, the sterilization function of deep ultraviolet is introduced into the sterilization work of fingerprint identification, and the deep ultraviolet emitted by the deep ultraviolet light source is utilized to irradiate a fingerprint window in a fingerprint identification instrument, so that the efficient sterilization effect is generated, the sterilization effect is improved, and the workload of personnel is reduced; compared with the prior various sterilization and disinfection methods, the technical scheme is simple, the investment is low, and special persons are not required to take charge of supervision; according to the scheme, a pyroelectric infrared sensor is used as a human body induction switch of the device, when a human body approaches, the pyroelectric infrared sensor sends detected infrared rays emitted by the human body to a controller in the form of electric signals, the controller controls a motor to be electrified and operated, the motor operates to open a cover plate, and a fingerprint window pops out; after the opening of the fingerprint is finished, the controller controls the motor to rotate reversely, after the cover plate is closed, the controller controls the deep ultraviolet LED to be started, the deep ultraviolet LED is electrified to work to emit ultraviolet rays to disinfect and sterilize the fingerprint window, and potential viruses can be completely killed in only a few seconds; the cover plate is in a normally closed state, and when the fingerprint is required to be opened, the cover plate is opened, and the fingerprint window pops out; the elastic cleaning foam can wipe and remove dust on the fingerprint window under the driving of the connecting rod; the edge of the cover plate is provided with the flexible sealing ring, and the flexible sealing ring is made of rubber materials, so that the dustproof, waterproof and equipment service life prolonging effects are achieved.
Drawings
FIG. 1 is a schematic diagram of an internal structure of a fingerprint sensor using deep ultraviolet LED light source for sterilization according to the present invention;
FIG. 2 is a cross-sectional view of a fingerprint sensor utilizing a deep ultraviolet LED light source for sterilization in accordance with the present invention;
FIG. 3 is a diagram illustrating an embodiment of a fingerprint sensor using deep ultraviolet LED light for sterilization according to the present invention.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings: 1. the fingerprint sensor comprises an outer shell, 2, a fingerprint integrated component, 3, a hidden lifting device, 4, a deep ultraviolet sterilization light source, 5, a fingerprint component box, 6, a controller, 7, a fingerprint library memory chip, 8, a fingerprint window, 9, a pressing type sensor, 10, a motor, 11, a driving connecting shaft, 12, a driving gear, 13, a fixing rod, 14, a driven gear, 15, a driven connecting shaft, 16, a connecting rod, 17, a cover plate, 18, a lifting through hole, 19, a pyroelectric infrared sensor, 20, elastic cleaning foam, 21 and a flexible sealing ring.
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.
As shown in FIGS. 1-3, the fingerprint recognizer of the present invention for sterilization by using deep ultraviolet LED light source comprises an outer casing 1, a deep ultraviolet sterilization light source 4, a fingerprint integrated component 2 and a hidden lifting device 3, wherein the outer casing 1 is a rectangular hollow cavity, the hidden lifting device 3 is fixedly connected to the inner wall of the outer casing 1, the fingerprint integrated component 2 is arranged in the outer casing 1 in a lifting manner, the fingerprint integrated component 2 is fixedly connected to the hidden lifting device 3, the deep ultraviolet sterilization light source 4 is fixedly connected to the hidden lifting device 3, the fingerprint integrated component 2 comprises a fingerprint component box 5, a controller 6, a fingerprint library memory chip 7, a fingerprint window 8 and a pressing sensor 9, the fingerprint component box 5 is arranged in a rectangular shape, the controller 6 and the fingerprint library memory chip 7 are fixedly connected to the fingerprint component box 5, the fingerprint window 8 is fixedly connected to the upper end of the fingerprint component box 5, the push type sensor 9 is fixedly connected with the lower wall of the fingerprint window 8, the hidden lifting device 3 comprises a motor 10, a driving connecting shaft 11, a driving gear 12, a fixing rod 13, a driven gear 14, a driven connecting shaft 15, a connecting rod 16, a cover plate 17 and lifting through holes 18, the fixing rod 13 is respectively and symmetrically and fixedly connected with the inner wall of the outer shell 1, the motor 10 is respectively and symmetrically and fixedly connected with the inner wall of the fingerprint component box 5, the driving connecting shaft 11 can rotatably penetrate through the side wall of the fingerprint component box 5, one end of the driving connecting shaft 11 is fixedly connected with the output shaft of the motor 10, the driving gear 12 is fixedly connected with one end of the driving connecting shaft 11, which is far away from the motor 10, gear teeth are arranged on the fixing rod 13, the driving gear 12 is respectively engaged with the gear teeth on the fixing rod 13, the driven connecting shaft 15 can rotatably and vertically arranged on the side wall of the fingerprint component box 5, driven gear 14 is connected with driving gear 12 meshing, the perpendicular rigid coupling of connecting rod 16 is located on driven even axle 15, apron 17 perpendicular rigid coupling respectively locates the one end of keeping away from driven even axle 15 on connecting rod 16, dark ultraviolet germicidal light source 4 rigid coupling is located apron 17 lower wall and is located directly over fingerprint window 8, lift through-hole 18 is located the shell body 1 upper wall, apron 17 locates lift through-hole 18 department respectively.
Wherein, the upper wall of the cover plate 17 is fixedly connected with a pyroelectric infrared sensor 19; elastic cleaning foam 20 is arranged between the connecting rods 16 rotating in the same direction; the sum of the areas of the cover plates 17 is larger than the area of the lifting through hole 18; the edge of the cover plate 17 is provided with a flexible sealing ring 21, and the flexible sealing ring 21 is made of rubber; the deep ultraviolet sterilization light source 4 is a deep ultraviolet LED.
When the device is used specifically, when a human body approaches the device, the pyroelectric infrared sensor 19 sends the monitored infrared rays emitted by the human body to the controller 6 in the form of electric signals, the controller 6 controls the motor 10 to be electrified and work, the motor 10 drives the driving connecting shaft 11 to rotate, the driving connecting shaft 11 rotates to drive the driving gear 12 to rotate, the driving gear 12 rotates the fingerprint component box 5 to ascend or descend, the driving gear 12 rotates to simultaneously drive the driven gear 14 to rotate, the driven gear 14 rotates to drive the driven connecting shaft 15 to rotate, the driven connecting shaft 15 rotates to drive the connecting rod 16 to rotate, the connecting rod 16 rotates to drive the cover plate 17 to be opened or closed, the cover plate 17 is in a normally closed state, and when a fingerprint is required to be opened, the cover plate 17 is opened; after the user's fingerprint is checked card, controller 6 control motor 10 antiport, fingerprint window 8 descend and get into shell body 1 in, after apron 17 closed, controller 6 control dark ultraviolet germicidal light source 4 circular telegram utilizes dark ultraviolet germicidal light source 4 circular telegram work to send the ultraviolet ray to fingerprint window 8 disinfect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides an utilize fingerprint identification ware of dark ultraviolet LED light source sterilization which characterized in that: the fingerprint integrated component comprises a fingerprint component box, a controller, a fingerprint library memory chip, a fingerprint window and a pressing sensor, the fingerprint component box is arranged in a rectangular mode, the controller and the fingerprint library memory chip are fixedly connected in the fingerprint component box, the fingerprint window is fixedly connected to the upper end of the fingerprint component box, the pressing sensor is fixedly connected to the lower wall of the fingerprint window, the hidden lifting device comprises a motor, a driving connecting shaft, a driving gear, a hidden lifting device and a control device, the outer shell is a rectangular hollow cavity, the hidden lifting device is fixedly connected to the inner wall of the outer shell, the fingerprint integrated component is arranged in the outer shell in a lifting mode, the fingerprint integrated component is fixedly connected to the hidden lifting device, the deep ultraviolet sterilization light source is fixedly connected to the hidden lifting device, the fingerprint integrated component comprises, The fingerprint assembly box comprises fixing rods, driven gears, driven connecting shafts, connecting rods, cover plates and lifting through holes, wherein the fixing rods are respectively and symmetrically fixedly connected on the inner wall of the outer shell, the motors are respectively and symmetrically fixedly connected on the inner wall of the fingerprint assembly box, the driving connecting shafts can rotatably penetrate through the side wall of the fingerprint assembly box, one end of each driving connecting shaft is fixedly connected on an output shaft of the motor, the driving gears are fixedly connected on one ends, far away from the motors, of the driving connecting shafts, gear teeth are arranged on the fixing rods, the driving gears are respectively meshed with the gear teeth on the fixing rods, the driven connecting shafts can respectively and vertically and rotatably arranged on the side wall of the fingerprint assembly box, the driven gears are fixedly connected on one ends, far away from the fingerprint assembly box, of the driven connecting shafts, the driven gears are meshed with the driving gears, the connecting rods are vertically and, the deep ultraviolet sterilization light source is fixedly connected with the lower wall of the cover plate and is arranged right above the fingerprint window, the lifting through holes are formed in the upper wall of the shell, and the cover plate is respectively arranged at the lifting through holes.
2. The fingerprint recognizer of claim 1, wherein the fingerprint recognizer comprises a deep ultraviolet LED light source for sterilization, and the deep ultraviolet LED light source comprises: the upper wall of the cover plate is fixedly connected with a pyroelectric infrared sensor.
3. The fingerprint recognizer of claim 1, wherein the fingerprint recognizer comprises a deep ultraviolet LED light source for sterilization, and the deep ultraviolet LED light source comprises: and elastic cleaning foam is arranged between the connecting rods rotating in the same direction.
4. The fingerprint recognizer of claim 1, wherein the fingerprint recognizer comprises a deep ultraviolet LED light source for sterilization, and the deep ultraviolet LED light source comprises: the sum of the areas of the cover plates is larger than the area of the lifting through hole.
5. The fingerprint recognizer of claim 1, wherein the fingerprint recognizer comprises a deep ultraviolet LED light source for sterilization, and the deep ultraviolet LED light source comprises: the edge of the cover plate is provided with a flexible sealing ring, and the flexible sealing ring is made of rubber materials.
6. The fingerprint recognizer of claim 1, wherein the fingerprint recognizer comprises a deep ultraviolet LED light source for sterilization, and the deep ultraviolet LED light source comprises: the deep ultraviolet sterilization light source is a deep ultraviolet LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090495.3A CN112101295A (en) | 2020-10-13 | 2020-10-13 | Fingerprint identifier utilizing deep ultraviolet LED light source for sterilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090495.3A CN112101295A (en) | 2020-10-13 | 2020-10-13 | Fingerprint identifier utilizing deep ultraviolet LED light source for sterilization |
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| Publication Number | Publication Date |
|---|---|
| CN112101295A true CN112101295A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011090495.3A Pending CN112101295A (en) | 2020-10-13 | 2020-10-13 | Fingerprint identifier utilizing deep ultraviolet LED light source for sterilization |
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| CN (1) | CN112101295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115761820A (en) * | 2022-11-29 | 2023-03-07 | 河南职业技术学院 | Computer-based biological characteristic acquisition and identification system and device |
-
2020
- 2020-10-13 CN CN202011090495.3A patent/CN112101295A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115761820A (en) * | 2022-11-29 | 2023-03-07 | 河南职业技术学院 | Computer-based biological characteristic acquisition and identification system and device |
| CN115761820B (en) * | 2022-11-29 | 2024-03-26 | 河南职业技术学院 | Computer-based biological feature acquisition and recognition system and device |
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