CN208873199U - A kind of access control device and a kind of iris recognition entrance control system - Google Patents
A kind of access control device and a kind of iris recognition entrance control system Download PDFInfo
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- CN208873199U CN208873199U CN201821705491.XU CN201821705491U CN208873199U CN 208873199 U CN208873199 U CN 208873199U CN 201821705491 U CN201821705491 U CN 201821705491U CN 208873199 U CN208873199 U CN 208873199U
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Abstract
A kind of access control device, including installing shell, processing module, identification module, control module, check module and display module, processing module and identification module, control module, it checks module and display module is electrically connected, processing module, identification module, control module, it checks module and display module is all set in installation shell, identification module is used to capture the live image of face, it captures iris capturing image and carries out iris recognition, control module is used for the opening and closing of access control, check module for identification module capture when, remind user that adjustment is at a distance from access control device, in order to which user is in the best lock-on range of iris capturing, display module is in best lock-on range for assisting user to cooperate check module, cooperate identification module effect by checking module and display module, keep user quickly fixed In position to the suitable distance of suitable iris capturing, identification quick and precisely, improves user experience.
Description
Technical field
The utility model relates to gate inhibition fields, in particular to a kind of access control device and a kind of iris recognition
Access control system.
Background technique
Have benefited from the development of biological identification technology, the rapid development of gate inhibition's technology, in terms of iris recognition access control system, gate inhibition is produced
Product use contactless monocular iris recognition mode, and identification distance is 25cm-35cm, carry out user's friendship using 2.4 cun of display screens
Mutually.
Inventor has found that existing gate inhibition's product at least has the disadvantage in that under study for action
Before existing gate inhibition's product, when user carries out iris recognition, often because controlling bad oneself and gate inhibition's product
The distance between, the overall effect and efficiency of iris recognition are influenced, efficiency of the user by gate inhibition is reduced；
The identification distance of existing gate inhibition's product is close, and identification method is monocular identification；
The interactive interface of existing gate inhibition's product is black and white interface, and poor user experience is too small there are display screen and cannot show
The case where showing whole face.
Utility model content
The purpose of this utility model includes providing a kind of access control device, by checking module and display module cooperation
Identification module effect, so that user quickly navigates in the suitable distance of suitable iris capturing, identification quick and precisely, improves user
Experience.
The another object of the utility model includes providing a kind of iris recognition entrance control system, and above-mentioned access control is used to fill
It sets, can identify quick and precisely, improve user experience.
The embodiments of the present invention are achieved through the following technical solutions:
A kind of access control device, including shell is installed, processing module, identification module, control module, module is checked and shows
Show that module, processing module are electrically connected with identification module, control module, check module and display module, processing module, identification mould
Block, control module, check module and display module are all set in installation shell, and identification module is used to capture the scene photo of face
Picture captures iris capturing image and carries out iris recognition, and control module is used for the opening and closing of access control, checks module and uses
When identification module captures, remind user that adjustment is at a distance from access control device, in order to which user is in iris capturing most
Good lock-on range, display module are in best lock-on range for assisting user to cooperate check module.
Inventors have found that before existing gate inhibition's product, when user carries out iris recognition, often because control it is bad oneself
The distance between gate inhibition's product influences the overall effect and efficiency of iris recognition, reduces efficiency of the user by gate inhibition, and
There is situations such as close identification distance, monocular identification, black and white interface and display screen is smaller in existing gate inhibition's product.
Inventor has invented a kind of access control device, including installation shell, processing module, identification module, control accordingly
Module checks module and display module, cooperates identification module by checking module and display module, identification module is for capturing people
The live image of face captures iris capturing image and carries out iris recognition, to realize quickly identification, improves user experience.
To sum up, such access control device navigates to user quickly in the suitable distance of suitable iris capturing, identification
Quick and precisely, user experience is improved.
Further, checking module includes range sensor, and range sensor is electrically connected with processing module, range sensor
It is set to installation shell；
Range sensor is for detecting user with a distance from access control device, in order to remind user's adjustment to control with gate inhibition
The distance of device processed.
Further, identification module includes face camera unit, infrared photography unit, face camera unit and infrared photography
Unit is electrically connected with processing module respectively, and face camera unit and infrared photography unit are all set in installation shell；
Face camera unit is used to capture the live image of face, and by image transmitting to display module；
Infrared photography unit is for capturing iris image.
Further, infrared photography unit includes infrared camera, and infrared camera is electrically connected with processing module, infrared to take the photograph
As head is set to installation shell；
The identification distance of infrared camera is 40-60cm.
Further, identification module further includes visible light light compensating lamp, it is seen that light light compensating lamp is electrically connected with processing module, it is seen that
Light light compensating lamp is set to installation shell；
Visible light light compensating lamp is for carrying out light filling to the stage for the live image for capturing face under low light environment.
Further, identification module includes binocular iris recognition mould group, and binocular iris recognition mould group is electrically connected with processing module
It connects, binocular iris recognition mould group is set to installation shell；
Binocular iris recognition mould group is for carrying out iris recognition.
Further, identification module further includes infrared light compensating lamp, infrared light compensating lamp and binocular iris recognition mould group and processing
Module is electrically connected side by side, and installation shell is set in infrared light compensating lamp；
Infrared light compensating lamp is used to enhance the quality of iris capturing image.
Further, display module includes capacitance touch screen, and capacitance touch screen is electrically connected with processing module, capacitance touch screen
It is set to installation shell；
Capacitance touch screen for show identification module catcher's face live image and auxiliary user cooperate check module with
Convenient for being in best lock-on range；
The size of capacitance touch screen is 8-10 cuns；
Preferably, the size of capacitance touch screen is 8 cun.
Further, access control device further includes identity card reader, and identity card reader is electrically connected with processing module,
Identity card reader is set to installation shell；
Identity card reader is used for reading identity card information.
A kind of iris recognition entrance control system, including above-mentioned access control device.
The technical solution of the utility model embodiment is at least had the following advantages and beneficial effects:
1, navigate to user quickly in the suitable distance of suitable iris capturing, identification is quick and precisely；
2, it uses identification distance for the infrared camera of 40-60cm, increases identification distance；
3, using 8 cun of capacitance touch screen, user experience is good；
4, using binocular iris recognition mould group, identification quickly, solves monocular identification limitation；
5, by setting identity card reader, there is the automatic registration function of temporary visitor and upload monitor supervision platform progress automatically
Record.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the modular structure block diagram of access control device provided by the embodiment of the utility model；
Fig. 2 is the first structure diagram of access control device provided by the embodiment of the utility model；
Fig. 3 is the second structural schematic diagram of access control device provided by the embodiment of the utility model；
Fig. 4 is the third structural schematic diagram of access control device provided by the embodiment of the utility model.
Icon: 10- access control device, 100- install shell, 200- processing module, 300- identification module, 310- face
Camera unit, 320- infrared photography unit, 321- infrared camera, 330- visible light light compensating lamp, 340- binocular iris recognition mould
Group, 350- infrared light compensating lamp, 400- control module, 500- check module, 510- range sensor, 600- display module, 610-
Capacitance touch screen, 700- identity card reader.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third "
It is described etc. being only used for distinguishing, is not understood to indicate or imply relative importance.
In addition, being not offered as requiring component abswolute level or outstanding if there are the terms such as term "horizontal", "vertical", " pendency "
It hangs down, but can be slightly tilted.It is not to indicate to be somebody's turn to do if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
Structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable
Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
The embodiments of the present invention are achieved through the following technical solutions:
Fig. 1 is the modular structure block diagram of access control device 10 provided in this embodiment, and Fig. 2 is the utility model embodiment
The first structure diagram of the access control device 10 of offer, Fig. 3 are access control device provided by the embodiment of the utility model
The second structural schematic diagram, Fig. 4 be access control device provided by the embodiment of the utility model third structural schematic diagram.
Please refer to Fig. 1 to Fig. 4, a kind of access control device 10, including installation shell 100, processing module 200, identification mould
Block 300, checks module 500 and display module 600 at control module 400.
Processing module 200 is electrically connected with identification module 300, control module 400, check module 500 and display module 600
It connects, processing module 200, identification module 300, control module 400, check module 500 and display module 600 are all set in mounting shell
Body 100, identification module 300 are used to capture the live image of face, capture iris capturing image and carry out iris recognition, control mould
Block 400 be used for access control opening and closing, check module 500 for identification module 300 capture when, remind user adjustment with
The distance of access control device 10, in order to which user is in the best lock-on range of iris capturing, display module 600 is for assisting
User, which cooperates, checks module 500 in order to be in best lock-on range.
Fig. 2 combination Fig. 3 and Fig. 4, it can be seen that installation shell included by access control device 10 provided in this embodiment
100 are provided with a support portion in side, access control device 10 can be mounted on designated position.
Inventors have found that before existing gate inhibition's product, when user carries out iris recognition, often because control it is bad oneself
The distance between gate inhibition's product influences the overall effect and efficiency of iris recognition, reduces efficiency of the user by gate inhibition, and
There is situations such as close identification distance, monocular identification, black and white interface and display screen is smaller in existing gate inhibition's product.
Inventor has invented a kind of access control device 10, including installation shell 100, processing module 200, identification mould accordingly
Block 300, checks module 500 and display module 600 at control module 400, is known by checking module 500 and the cooperation of display module 600
Other module 300, identification module 300 are used to capture the live image of face, capture iris capturing image and carry out iris recognition, with
It realizes quickly identification, improves user experience.
To sum up, such access control device 10 navigates to user quickly in the suitable distance of suitable iris capturing, knows
Not quick and precisely, user experience is improved.
Further, checking module 500 includes range sensor 510, and range sensor 510 is electrically connected with processing module 200
It connects, range sensor 510 is set to installation shell 100, and range sensor 510 is for detecting user from access control device 10
Distance, in order to remind user that adjustment is at a distance from access control device 10.
Range sensor 510, is called and makees displacement sensor, for incude its at a distance from object part it is preset to complete
Certain function, range sensor 510 mainly include optical distance sensor 510 and infrared distance sensor 510.Check module
500 for identification module 300 capture when, remind user adjustment with access control device 10 at a distance from, check module 500 include away from
From sensor 510, when range sensor 510 detects that user enters in equipment investigative range, due to range sensor 510 with
Processing module 200 is electrically connected, this information is transmitted to processing module 200 by range sensor 510, and the transmission of processing module 200 refers to
It enables to identification module 300, identification module 300 starts the live image for carrying out capturing face, captures iris capturing image and carry out
Iris recognition.
Access control device 10 is additionally provided with loudspeaker, and tested user is prompted by range sensor 510 and loudspeaker
It is close or separate.
Further, identification module 300 includes face camera unit 310, infrared photography unit 320, face camera unit
310 and infrared photography unit 320 be electrically connected respectively with processing module 200, face camera unit 310 and infrared photography unit 320
It is all set in installation shell 100, face camera unit 310 is used to capture the live image of face, and by image transmitting to showing
Module 600, infrared photography unit 320 is for capturing iris image.
Specifically, face camera unit 310 is used to capture the live image of face, and by image transmitting to display module
600, face camera unit 310 is substantially carried out auxiliary Iris Location and the testimony of a witness compares, when range sensor 510 detects user
When in into equipment investigative range, processing module 200 receives signal, and processing module 200 can activate face camera unit 310, people
Face camera unit 310 obtains the facial image of tested user and is transferred to display module 600.
Likewise, infrared photography unit 320 is used to capture iris image, when range sensor 510 detects that user enters
When in equipment investigative range, processing module 200 receives signal, and processing module 200 can activate infrared photography unit 320, infrared to take the photograph
As unit 320 obtains the iris image of tested user.
Further, infrared photography unit 320 includes infrared camera 321, infrared camera 321 and processing module 200
Electrical connection, infrared camera 321 are set to installation shell 100, and the identification distance of infrared camera 321 is 40-60cm.
It is 25cm-35cm less than normal and bring to solve the identification distance that existing most of gate inhibition's product carries out iris recognition
The bad influence of user experience, in the present embodiment, infrared photography unit 320 include infrared camera 321, infrared camera
321 identification distance is 40-60cm, and identification distance is remote, improves user experience.
Further, identification module 300 further includes visible light light compensating lamp 330, it is seen that light light compensating lamp 330 and processing module
200 electrical connections, it is seen that light light compensating lamp 330 is set to installation shell 100, it is seen that light light compensating lamp 330 is for right under low light environment
The stage for capturing the live image of face carries out light filling.
Specifically, visible light light compensating lamp 330 is for carrying out the stage for the live image for capturing face under low light environment
Light filling is under the influence of the factors such as cloudy day, and to make face camera unit 310 when face camera unit 310 works
In low light environment, it is seen that light light compensating lamp 330 carries out light filling operation.In the present embodiment, it is seen that light light compensating lamp 330 selects human body
Induction type light compensating lamp, the recognition of face effect under aspect low light environment.
Further, identification module 300 includes binocular iris recognition mould group 340, binocular iris recognition mould group 340 and processing
Module 200 be electrically connected, binocular iris recognition mould group 340 be set to installation shell 100, binocular iris recognition mould group 340 be used for into
Row iris recognition.
In the present embodiment, it selects binocular iris recognition mould group 340 to carry out iris recognition, selects binocular iris recognition mould group
340 carry out iris recognition, can solve monocular identification limitation, that is, the difficulty that can solve monocular identification influences whether the knowledge of entire product
This unfavorable effect that complicated variant is tested.
Further, identification module 300 further includes infrared light compensating lamp 350, infrared light compensating lamp 350 and binocular iris recognition mould
Group 340 is electrically connected side by side with processing module 200, and installation shell 100 is set in infrared light compensating lamp 350, and infrared light compensating lamp 350 is used for
Enhance the quality of iris capturing image.
Infrared light compensating lamp 350 is used to enhance the quality of iris capturing image, that is, when infrared camera unit 320 is captured
When iris image, processing module 200 control infrared light compensating lamp 350 work, infrared light compensating lamp 350 to infrared photography unit 320 into
Row light filling operation, to achieve the effect that enhance the quality of iris capturing image.
Further, display module 600 includes capacitance touch screen 610, and capacitance touch screen 610 is electrically connected with processing module 200
It connects, capacitance touch screen 610 is set to installation shell 100, and capacitance touch screen 610 is for showing 300 catcher's face of identification module
Live image and auxiliary user, which cooperate, checks module 500 in order to which the size in best lock-on range, capacitance touch screen 610 is
8-10 cuns, it is preferred that the size of capacitance touch screen 610 is 8 cun.
Display module 600 checks module 500 for assisting user to cooperate in order in best lock-on range, display module
600 include capacitance touch screen 610, in the present embodiment, it is preferred to use 8 cun of capacitance touch screens 610, solve display screen it is too small without
The rough sledding that can show whole face, improves user experience.
Further, access control device 10 further includes identity card reader 700, identity card reader 700 and processing mould
Block 200 is electrically connected, and identity card reader 700 is set to installation shell 100, and identity card reader 700 is believed for reading identity card
Breath.
The function of may be implemented by identity card reader 700 is as follows: when tested user is temporary visitor, can directly by
Identity card is placed on identity card reader 700, after user identity card information is read successfully, can be clapped by face camera unit 310
It takes the photograph live human face photo and is compared with identity card picture, after comparing successfully, 400 access control of control module is opened, otherwise,
Refusal opens the door, while personnel are entered and left information and upload monitor supervision platform.
A kind of iris recognition entrance control system can be by checking module 500 and display including above-mentioned access control device 10
Module 600 cooperates identification module 300 to act on, so that user quickly navigates in the suitable distance of suitable iris capturing, identification is fast
It is fast accurate, user experience is improved, and also have the function of that temporary visitor is registered automatically.
The workflow of the present embodiment is as follows: if registered users, when the range sensor that check module 500 includes
510 when detecting that user is entered in equipment investigative range, can activate face camera unit 310 and infrared photography unit 320, face
Camera unit 310 can project the live image comprising face (weak on 8 cun of capacitance touch screens 610 that display module 600 includes
Visible light light compensating lamp 330 can be automatically turned under luminous environment carries out light filling), and range sensor 510 and loudspeaker prompt is combined to use
Family close to or far from；
When user is in optimum position, infrared photography unit 320 captures iris image and passes back to binocular iris recognition
The operations such as iris-encoding, feature extraction, iris matching, when being matched to correct personnel, processing module are carried out in mould group 340
200 send control signal to control module 400, and access control is opened, while the image for the personnel that match and identity information being shown
Show on capacitance touch screen 610, the discrepancy information of end user passes through network transmission to monitor supervision platform；
When tested user is temporary visitor, directly identity card can be placed on identity card reader 700, user identity card
After information is read successfully, it can be compared by 310 floor human face photo of face camera unit and with identity card picture, than
After success, 400 access control of control module is opened, and otherwise, refusal opens the door, while personnel's discrepancy information upload monitoring is flat
Platform.
The technical solution of the utility model embodiment is at least had the following advantages and beneficial effects:
1, navigate to user quickly in the suitable distance of suitable iris capturing, identification is quick and precisely；
2, it uses identification distance for the infrared camera 321 of 40-60cm, increases identification distance；
3, using 8 cun of capacitance touch screen 610, user experience is good；
4, using binocular iris recognition mould group 340, identification quickly, solves monocular identification limitation；
5, by setting identity card reader 700, there is the automatic registration function of temporary visitor and upload monitor supervision platform automatically
It is recorded.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of access control device, it is characterised in that:
Including installation shell, processing module, identification module, control module, check module and display module, the processing module with
The identification module, control module, check module and display module are electrically connected, the processing module, the identification module, institute
It states control module, the check module and the display module and is all set in the installation shell；
The identification module is used to capture the live image of face, captures iris capturing image and carry out iris recognition；
The control module is used to control the opening and closing of the gate inhibition；
When the check module is captured for the identification module, remind user that adjustment is at a distance from the access control device,
In order to which user is in the best lock-on range of iris capturing；
The display module is in best lock-on range for assisting user to cooperate the check module.
2. access control device according to claim 1, it is characterised in that:
The check module includes range sensor, and the range sensor is electrically connected with the processing module, and the distance passes
Sensor is set to the installation shell；
The range sensor is for detecting user with a distance from the access control device, in order to remind user to adjust and institute
State the distance of access control device.
3. access control device according to claim 1, it is characterised in that:
The identification module includes face camera unit, infrared photography unit, the face camera unit and the infrared photography
Unit is electrically connected with the processing module respectively, and the face camera unit and the infrared photography unit are all set in the peace
Fill shell；
The face camera unit is used to capture the live image of face, and by image transmitting to the display module；
The infrared photography unit is for capturing iris image.
4. access control device according to claim 3, it is characterised in that:
The infrared photography unit includes infrared camera, and the infrared camera is electrically connected with the processing module, described red
Outer camera is set to the installation shell；
The identification distance of the infrared camera is 40-60cm.
5. access control device according to claim 4, it is characterised in that:
The identification module further includes visible light light compensating lamp, and the visible light light compensating lamp is electrically connected with the processing module, described
Visible light light compensating lamp is set to the installation shell；
The visible light light compensating lamp is for carrying out light filling to the stage for the live image for capturing face under low light environment.
6. access control device according to claim 1, it is characterised in that:
The identification module includes binocular iris recognition mould group, and the binocular iris recognition mould group is electrically connected with the processing module
It connects, the binocular iris recognition mould group is set to the installation shell；
The binocular iris recognition mould group is for carrying out iris recognition.
7. access control device according to claim 6, it is characterised in that:
The identification module further includes infrared light compensating lamp, the infrared light compensating lamp and the binocular iris recognition mould group and the place
Reason module is electrically connected side by side, and the installation shell is set in the infrared light compensating lamp；
The infrared light compensating lamp is used to enhance the quality of iris capturing image.
8. access control device according to claim 1, it is characterised in that:
The display module includes capacitance touch screen, and the capacitance touch screen is electrically connected with the processing module, the capacitive touch
It touches screen and is set to the installation shell；
The capacitance touch screen is for showing that the identification module catcher face live image and auxiliary user cooperate the school
Core module is in order to being in best lock-on range；
The size of the capacitance touch screen is 8-10 cuns.
9. access control device according to claim 8, it is characterised in that: the size of the capacitance touch screen is 8 cun.
10. access control device according to claim 1, it is characterised in that:
The access control device further includes identity card reader, and the identity card reader is electrically connected with the processing module,
The identity card reader is set to the installation shell；
The identity card reader is used for reading identity card information.
11. a kind of iris recognition entrance control system, it is characterised in that: including access control of any of claims 1-10
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705491.XU CN208873199U (en) | 2018-10-19 | 2018-10-19 | A kind of access control device and a kind of iris recognition entrance control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705491.XU CN208873199U (en) | 2018-10-19 | 2018-10-19 | A kind of access control device and a kind of iris recognition entrance control system |
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| CN208873199U true CN208873199U (en) | 2019-05-17 |
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| CN201821705491.XU Active CN208873199U (en) | 2018-10-19 | 2018-10-19 | A kind of access control device and a kind of iris recognition entrance control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853171A (en) * | 2019-10-28 | 2020-02-28 | 武汉虹识技术有限公司 | Iris recognition device and access control system |
| WO2021159830A1 (en) * | 2020-02-11 | 2021-08-19 | 支付宝(杭州)信息技术有限公司 | Electronic apparatus assembly and gate apparatus |
-
2018
- 2018-10-19 CN CN201821705491.XU patent/CN208873199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853171A (en) * | 2019-10-28 | 2020-02-28 | 武汉虹识技术有限公司 | Iris recognition device and access control system |
| WO2021159830A1 (en) * | 2020-02-11 | 2021-08-19 | 支付宝(杭州)信息技术有限公司 | Electronic apparatus assembly and gate apparatus |
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