CN214796038U - Face recognition access control circuit for cloud access control terminal equipment - Google Patents
Face recognition access control circuit for cloud access control terminal equipment Download PDFInfo
- Publication number
- CN214796038U CN214796038U CN202120436969.9U CN202120436969U CN214796038U CN 214796038 U CN214796038 U CN 214796038U CN 202120436969 U CN202120436969 U CN 202120436969U CN 214796038 U CN214796038 U CN 214796038U
- Authority
- CN
- China
- Prior art keywords
- module
- unit
- control module
- electrically connected
- face recognition
- 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.)
- Active
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a face identification access control circuit for cloud entrance guard terminal equipment, the circuit includes: the system comprises a main control module, a power management module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, an entrance guard control module and a storage module; the intelligent door control system comprises a main control module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, a door control module and a storage module which are respectively and electrically connected with a power management module, wherein the voice processing module, the camera shooting control module, the face recognition module, the USB interface expansion module, the serial communication interface module, the display control module, the infrared induction module, the door control module and the storage module are respectively and electrically connected with the main control module. The utility model discloses support face identification, have intelligent degree height, advantage that the expansibility is strong, user experience is high.
Description
Technical Field
The utility model relates to a current technical field of wisdom especially relates to a face identification access control circuit for cloud entrance guard terminal equipment.
Background
The access control system is a system for controlling access passages as the name implies, and is developed on the basis of the traditional door lock. The traditional mechanical door lock is only a pure mechanical device, and people can open the door lock by various means no matter how reasonable the structural design is and how firm the material is. The management of keys in a passage with a lot of people going in and out (such as office buildings and hotel rooms) is troublesome, and the lock and the key are replaced together when the keys are lost or the people are replaced. In order to solve the problems, an electronic magnetic card lock and an electronic coded lock are provided, the management degree of people on the passageway of the entrance and the exit is improved to a certain extent by the two locks, so that the passageway management enters the electronic era, but the defects of the two electronic locks are gradually exposed along with the continuous application of the two locks, and the magnetic card lock has the problems that information is easy to copy, the abrasion between a card and a card reader is large, the failure rate is high, and the safety coefficient is low. The problem of the coded lock is that the code is easy to leak and cannot be found, and the safety factor is very low. Meanwhile, most of products in the period adopt a card reading part (password input) and a control part which are arranged outside a door together, so that the lock can be easily unlocked outdoors by people. The access control system in this period still stays in an early immature stage, so the access control system at that time is generally called an electronic lock and is not widely applied.
With the development of the inductive card technology and the biological identification technology, the access control system is developed in a leap way and enters the mature period, and systems of various technologies such as an inductive card type access control system, a fingerprint access control system, an iris access control system, a facial identification access control system, a finger vein identification access control system, an out-of-order keyboard access control system and the like appear, have respective advantages in the aspects of safety, convenience, easiness in management and the like, and the application field of the access control system is also wider and wider.
However, the access control terminal device in the prior art still has the following disadvantages: 1) the door opening mode is single, and the control is inaccurate; 2) the expansibility and compatibility are poor; 3) the interaction mode is single, and the user experience is not high. Therefore, the invention provides a novel intelligent face recognition access control circuit for cloud access control terminal equipment, which is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a face identification access control circuit for cloud entrance guard terminal equipment is provided.
The utility model discloses a face identification entrance guard control circuit for cloud entrance guard terminal equipment, including host system, power management module, speech processing module, camera control module, face identification module, USB interface extension module, serial communication interface module, display control module, infrared induction module, entrance guard control module and storage module; the intelligent door control system comprises a main control module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, a door control module and a storage module, wherein the memory module is respectively electrically connected with the power management module, and the voice processing module, the camera shooting control module, the face recognition module, the USB interface expansion module, the serial communication interface module, the display control module, the infrared induction module, the door control module and the storage module are respectively electrically connected with the main control module.
Preferably, the camera control module comprises a first network camera unit, a second network camera unit, a wired communication interface unit, a switch switching unit and an ethernet unit; the first network camera unit, the second network camera unit and the wired communication interface unit are respectively electrically connected with the switch switching unit, the switch switching unit is electrically connected with the Ethernet unit, and the Ethernet unit is electrically connected with the main control module.
Preferably, the storage module comprises a TF card unit, and the TF card unit is electrically connected with the main control module.
Preferably, the voice processing module comprises an audio decoding unit, an audio processing unit and a speaker output unit; the audio decoding unit is respectively connected with the audio processing unit, the loudspeaking output unit and the main control module electrically, the audio processing unit is respectively connected with the loudspeaking output unit and the main control module electrically, and the loudspeaking output unit is electrically connected with the main control module.
Preferably, the face recognition access control circuit for the cloud access control terminal device further comprises an indication module; the indicating module comprises a camera shooting indicating unit and an LED light supplementing unit; the camera shooting indicating unit is respectively and electrically connected with the main control module, the camera shooting control module and the power management module, and the LED light supplementing unit is respectively and electrically connected with the main control module, the infrared sensing module and the power management module.
Preferably, the display control module comprises an MIPI screen display control unit and an RGB screen display control unit; the MIPI screen display control unit and the RGB screen display control unit are respectively and electrically connected with the main control module.
Preferably, the USB interface extension module includes a USB OTG unit and a first USB HOST unit; the SB OTG unit and the first USB HOST unit are respectively and electrically connected with the main control module; the USB OTG unit is used for being electrically connected with a USB socket or a Micro USB OTG interface, and the first USB HOST unit is used for being electrically connected with the WIFI module.
Preferably, the USB interface extension module further includes a second USB HOST unit; the second USB HOST unit is electrically connected with the main control module.
The utility model discloses a face identification access control circuit for cloud entrance guard terminal equipment has following beneficial effect, the utility model discloses a face identification access control circuit for cloud entrance guard terminal equipment includes: the system comprises a main control module, a power management module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, an entrance guard control module and a storage module; the intelligent door control system comprises a main control module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, a door control module and a storage module, wherein the memory module is respectively electrically connected with the power management module, and the voice processing module, the camera shooting control module, the face recognition module, the USB interface expansion module, the serial communication interface module, the display control module, the infrared induction module, the door control module and the storage module are respectively electrically connected with the main control module. The power supply management module is used for providing system power supply management; the voice processing module is used for realizing audio and video call, voice broadcast, voice prompt, warning and guiding operation; the infrared induction module is used for acquiring a human body signal when a human body approaches, the main control module acquires the human body signal to control the camera control module and the face recognition module to start face recognition and authentication comparison, safe face brushing is carried out, and the main control module controls the access control module to realize intelligent unlocking according to an authentication result of the face recognition module; the storage module is used for realizing the functions of storing and updating the face information database; the USB interface expansion module is used for realizing interface expansion and function expansion of the cloud entrance guard terminal equipment; the serial communication interface module is used for realizing wired communication of the cloud entrance guard terminal equipment; the display control module is used for displaying a software interface, touch operation display and equipment working state display, and intelligent human-computer interaction is achieved. Therefore, the utility model discloses support face identification, have the advantage that control is accurate, intelligent degree is high, the expansibility is strong, user experience is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic block diagram of a face recognition access control circuit for a cloud access control terminal device according to a preferred embodiment of the present invention;
fig. 2 is a schematic block diagram of a face recognition access control circuit for a cloud access control terminal device according to a preferred embodiment of the present invention;
fig. 3 is a system circuit diagram of a face recognition access control circuit for a cloud access terminal device according to another preferred embodiment of the present invention;
fig. 4 is a circuit diagram of the power management module of the face recognition access control circuit for the cloud access control terminal device according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The preferred embodiment of the present invention is shown in fig. 1, and comprises a main control module 1, a power management module 2, a voice processing module 3, a camera control module 4, a face recognition module 5, a USB interface extension module 6, a serial communication interface module 7, a display control module 8, an infrared sensing module 9, an access control module 10 and a storage module 11; the main control module 1, voice processing module 3, camera control module 4, face recognition module 5, USB interface extension module 6, serial communication interface module 7, display control module 8, infrared induction module 9, entrance guard control module 10 reaches storage module 11 respectively with the power management module 2 electricity is connected, voice processing module 3 camera control module 4 face recognition module 5, USB interface extension module 6 serial communication interface module 7 show control module 8 infrared induction module 9 entrance guard control module 10 reaches storage module 11 respectively with main control module 1 electricity is connected. The power management module 2 is used for providing system power supply management; the voice processing module 3 is used for realizing audio and video call, voice broadcast, voice prompt, warning and guiding operation; the infrared induction module 9 is used for acquiring a human body signal when a human body approaches, the main control module 1 acquires the human body signal to control the camera control module 4 and the face recognition module to start face recognition and authentication comparison, safe face brushing is carried out, and the main control module 1 controls the access control module to realize intelligent unlocking according to an authentication result of the face recognition module; the storage module is used for realizing the functions of storing and updating the face information database; the USB interface expansion module 6 is used for realizing interface expansion and function expansion of the cloud entrance guard terminal equipment; the serial communication interface module 7 is used for realizing wired communication of the cloud entrance guard terminal equipment; and the display control module 8 is used for displaying a software interface, touch operation display and equipment working state display, so that intelligent human-computer interaction is realized. Therefore, the utility model discloses support face identification, have the advantage that control is accurate, intelligent degree is high, the expansibility is strong, user experience is high.
Preferably, in this embodiment, the main control module 1 is a single chip Microcomputer (MCU), which is also called a "single chip microcomputer", and is a chip-level computer formed by appropriately reducing the frequency and specification of a Central Processing Unit (CPU), and integrating peripheral interfaces such as a memory, a counter (Timer), a USB, an a/D converter, a UART, a PLC, a DMA, and the like, and even an LCD driving circuit on a single chip. The model of the main control module is RK 3288. In another preferred embodiment, the model of the main control module 1 may be RK3399, and the model of the main control module 1 is not specifically limited herein.
Preferably, the utility model adopts an open-view face recognition algorithm, and supports face recognition under backlight and backlight; the face recognition module is provided with an automatic sensing light supplement unit, so that the uniformity of optical fibers on the face of a human body is guaranteed, and the accuracy of face recognition is guaranteed. In the embodiment, when a person approaches, the cloud entrance guard terminal automatically starts face recognition, automatically opens the door after successful recognition, and sets different greetings for different types of people; moreover, the video intercommunication is realized through the cooperation of the camera control module and the main control module 1; when a visitor opens the door by scanning the two-dimensional code shared by the owner, the system automatically registers the information of the owner and the visitor; the user can open the door through the registered access card; remotely opening the door through a WeChat applet or a terminal APP; when a user opens the door through face recognition, opens the door through talkback, opens the door through scanning two-dimensional codes, and opens the door through swiping cards, the elevator is automatically called through being associated with the elevator. Therefore the utility model discloses user experience is high.
Preferably, referring to fig. 4, the power management module has a chip model PMU ACT 8846. The PMU ACT8846 integrates a plurality of power functional chips such as a DC/DC voltage drop voltage stabilizing chip, a low dropout linear regulator and the like, supports all I2C series ports, and has the functions of various sleep modes, soft/hard restart function, thermal protection and the like.
Preferably, the internet of things module is a wireless routing device, and is used for accessing the internet by a lower-level network device. In this embodiment, the internet of things module is a WIFI module, and the WIFI module is accessed to the main control module through the USB interface extension module; after the door opening personnel sweep code recognition through mobile terminal APP, applet, two-dimensional code and realize intelligent lock control, data such as master control module 1 with relevant personnel ID, name, infrared induction information are given internet of things module, the cloud ware is reported to in internet of things module.
Preferably, referring to fig. 2 and 3, the camera control module 4 includes a first network camera unit 41, a second network camera unit 42, a wired communication interface unit 43, a switch switching unit 44, and an ethernet unit 45; the first network camera unit 41, the second network camera unit 42 and the wired communication interface unit 43 are electrically connected to the switch switching unit 44, the switch switching unit 44 is electrically connected to the ethernet unit 45, and the ethernet unit 45 is electrically connected to the main control module 1.
Preferably, the storage module 11 includes a TF card unit electrically connected to the main control module 1. It is understood that, in the present embodiment, the TF card unit is used to implement the storage of the face information database.
Preferably, the voice processing module 3 includes an audio decoding unit 31, an audio processing unit 32 and a speaker output unit 33; the audio decoding unit 31 is respectively connected to the audio processing unit 32, the speaker output unit 33, and the main control module 1, the audio processing unit 32 is respectively connected to the speaker output unit 33, and the main control module 1, and the speaker output unit 33 is electrically connected to the main control module 1. It can be understood that, the audio processing unit 32 obtains the voice control information through a microphone, and sends the voice control information to the audio decoding unit 31 for encoding and decoding, and the audio decoding unit 31 receives the voice control signal after encoding and decoding, and eliminates the line echo of the acoustic echo of the voice control information; the main control module 1 controls the loud-speaking output unit 33 to perform power amplification processing on the voice control information and then realize voice broadcasting through a loudspeaker. In this embodiment, the chip model of the audio processing unit 32 is NC/FM1188-GE, the chip model of the audio decoding unit 31 is ES8316, and the chip model of the speaker output unit 33 is PAM 8406. In another preferred embodiment, the chip types of the audio decoding unit 31, the audio processing unit 32 and the speaker output unit 33 are not particularly limited.
Preferably, the face recognition access control circuit for the cloud access control terminal device further comprises an indication module 12; the indicating module 12 includes a camera indicating unit 121 and an LED light supplementing unit 122; the camera shooting indicating unit 121 is electrically connected with the main control module 1, the camera shooting control module 4 and the power management module 2 respectively, and the LED light supplementing unit 122 is electrically connected with the main control module 1, the infrared sensing module 9 and the power management module 2 respectively. It can be understood that, in this embodiment, the camera indication unit 121 is configured to indicate the working state of the IPC, and the LED light supplement unit 122 is configured to automatically sense and ensure that the optical fibers on the face of the human body are uniform, so as to ensure the accuracy of the face recognition.
Preferably, the display control module 8 includes an MIPI screen display control unit and an RGB screen display control unit; the MIPI screen display control unit and the RGB screen display control unit are respectively and electrically connected with the main control module 1.
Preferably, the USB interface extension module 6 includes a USB OTG unit 61 and a first USB HOST unit 62; the USB OTG unit 61 and the first USB HOST unit 62 are electrically connected to the main control module 1 respectively; USB OTG unit 61 is used for being connected with USB socket or Micro USB OTG interface electricity, first USB HOST unit 62 is used for being connected with the WIFI module electricity.
Preferably, the USB interface extension module 6 further includes a second USB HOST unit 63; the second USB HOST unit is electrically connected with the main control module 1. It can be understood that, in this implementation, USB interface expansion module 5 can realize the interface extension of printout function, USB flash disk read-write function or WIFI module function, because the utility model discloses expansibility and compatibility are strong.
Preferably, the serial communication interface module 6 includes a UART serial interface unit 61 and an I2C serial interface unit 62; the UART serial interface unit 61 and the I2C serial interface unit 62 are electrically connected to the main control module 1, respectively.
Preferably, the UART serial interface unit 61 includes a debugging interface subunit 611, an identity card UART interface subunit 612, and a wireless bluetooth module interface subunit 613; the debugging interface subunit 611, the identity card UART interface subunit 612, and the wireless bluetooth module interface subunit 613 are electrically connected to the main control module 1, respectively. It can be understood that the internet of things module 4 is accessed to the main control module through the wireless bluetooth module interface subunit 613. In this embodiment, the identity card UART interface subunit 612 is configured to implement interface connection with a radio frequency function, and implement IC card identification by using a radio frequency technology to control opening and closing of the automatic door.
Preferably, the I2C serial interface unit 62 includes a capacitive touch screen control subunit 621 and a keyboard interface subunit 622; the capacitive touch screen control subunit 621 and the keyboard interface subunit 622 are electrically connected to the main control module 1, respectively. The capacitive touch screen control subunit 621 of this embodiment includes a capacitive touch screen control chip and a touch screen; the capacitive touch screen control subunit 621 is configured to implement touch control of a user on the cloud access control terminal device, so as to implement touch human-computer interaction; the type of the capacitive touch screen control chip is GSL1680E, and the touch screen is a TP touch screen.
To sum up, the utility model provides a face identification entrance guard control circuit for cloud entrance guard terminal equipment, which comprises a main control module 1, a power management module 2, a voice processing module 3, a camera control module 4, a face identification module 5, a USB interface expansion module 6, a serial communication interface module 7, a display control module 8, an infrared induction module 9, an entrance guard control module 10 and a storage module 11; the main control module 1, voice processing module 3, camera control module 4, face recognition module 5, USB interface extension module 6, serial communication interface module 7, display control module 8, infrared induction module 9, entrance guard control module 10 reaches storage module 11 respectively with the power management module 2 electricity is connected, voice processing module 3 camera control module 4 face recognition module 5, USB interface extension module 6 serial communication interface module 7 show control module 8 infrared induction module 9 entrance guard control module 10 reaches storage module 11 respectively with main control module 1 electricity is connected. The power management module 2 is used for providing system power supply management; the voice processing module 3 is used for realizing voice broadcasting, voice prompt, warning and guiding operation; the infrared induction module 9 is used for acquiring a human body signal when a human body approaches, the main control module 1 acquires the human body signal to control the camera control module 4 and the face recognition module to start face recognition and authentication comparison, safe face brushing is carried out, and the main control module 1 controls the access control module to realize intelligent unlocking according to an authentication result of the face recognition module; the storage module is used for realizing the functions of storing and updating the face information database; the USB interface expansion module 6 is used for realizing interface expansion and function expansion of the cloud entrance guard terminal equipment; the serial communication interface module 7 is used for realizing wired communication of the cloud entrance guard terminal equipment; and the display control module 8 is used for displaying a software interface, touch operation display and equipment working state display, so that intelligent human-computer interaction is realized. Therefore, the utility model discloses support face identification, have the advantage that control is accurate, intelligent degree is high, the expansibility is strong, user experience is high.
The face recognition access control circuit for the cloud access control terminal device provided by the utility model is introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, to the general technical personnel in this field, according to the utility model discloses an idea, all can have the change part on concrete implementation and application scope, to sum up, this description content only is the utility model discloses an embodiment, does not consequently restrict the utility model discloses a patent scope, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawing did, or directly or indirectly use in other relevant technical fields, all the same reason is included in the utility model discloses a patent protection scope. And should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a face identification entrance guard control circuit for cloud entrance guard terminal equipment which characterized in that includes: the system comprises a main control module, a power management module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, an entrance guard control module and a storage module; the intelligent door control system comprises a main control module, a voice processing module, a camera shooting control module, a face recognition module, a USB interface expansion module, a serial communication interface module, a display control module, an infrared induction module, a door control module and a storage module, wherein the memory module is respectively electrically connected with the power management module, and the voice processing module, the camera shooting control module, the face recognition module, the USB interface expansion module, the serial communication interface module, the display control module, the infrared induction module, the door control module and the storage module are respectively electrically connected with the main control module.
2. The face recognition access control circuit for the cloud access terminal device according to claim 1, wherein the camera control module includes a first network camera unit, a second network camera unit, a wired communication interface unit, a switch switching unit and an ethernet unit; the first network camera unit, the second network camera unit and the wired communication interface unit are respectively electrically connected with the switch switching unit, the switch switching unit is electrically connected with the Ethernet unit, and the Ethernet unit is electrically connected with the main control module.
3. The face recognition access control circuit for the cloud access terminal device according to claim 1, wherein the storage module comprises a TF card unit, and the TF card unit is electrically connected with the main control module.
4. The face recognition access control circuit for the cloud access terminal device according to claim 1, wherein the voice processing module includes an audio decoding unit, an audio processing unit, and a speaker output unit; the audio decoding unit is respectively connected with the audio processing unit, the loudspeaking output unit and the main control module electrically, the audio processing unit is respectively connected with the loudspeaking output unit and the main control module electrically, and the loudspeaking output unit is electrically connected with the main control module.
5. The face recognition access control circuit for the cloud access terminal device according to claim 1, wherein the face recognition access control circuit for the cloud access terminal device further comprises an indication module; the indicating module comprises a camera shooting indicating unit and an LED light supplementing unit; the camera shooting indicating unit is respectively and electrically connected with the main control module, the camera shooting control module and the power management module, and the LED light supplementing unit is respectively and electrically connected with the main control module, the infrared sensing module and the power management module.
6. The face recognition access control circuit for the cloud access terminal device according to claim 1, wherein the display control module includes an MIPI screen display control unit and an RGB screen display control unit; the MIPI screen display control unit and the RGB screen display control unit are respectively and electrically connected with the main control module.
7. The face recognition access control circuit for the cloud access terminal device according to claim 1, wherein the USB interface extension module includes a USB OTG unit and a first USB HOST unit; the SB OTG unit and the first USB HOST unit are respectively and electrically connected with the main control module; the USB OTG unit is used for being electrically connected with a USB socket or a Micro USB OTG interface, and the first USB HOST unit is used for being electrically connected with the WIFI module.
8. The face recognition access control circuit for the cloud access terminal device according to claim 7, wherein the USB interface extension module further includes a second USB HOST unit; the second USB HOST unit is electrically connected with the main control module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120436969.9U CN214796038U (en) | 2021-02-25 | 2021-02-25 | Face recognition access control circuit for cloud access control terminal equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120436969.9U CN214796038U (en) | 2021-02-25 | 2021-02-25 | Face recognition access control circuit for cloud access control terminal equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214796038U true CN214796038U (en) | 2021-11-19 |
Family
ID=78754919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120436969.9U Active CN214796038U (en) | 2021-02-25 | 2021-02-25 | Face recognition access control circuit for cloud access control terminal equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214796038U (en) |
-
2021
- 2021-02-25 CN CN202120436969.9U patent/CN214796038U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204719837U (en) | A kind of visible dialogue system with face recognition module | |
CN102116113B (en) | Security box unlocking system based on palm vein authentication and method thereof | |
CN109697778A (en) | A kind of intelligent access control system | |
CN103116924B (en) | Electronic lock system based on images and mobile communication network | |
CN203825684U (en) | Wireless intelligent building talkback gangway machine | |
CN204791241U (en) | Voice interaction formula access control system | |
CN204117217U (en) | A kind of network type door control system of Multiple recognition | |
CN214796038U (en) | Face recognition access control circuit for cloud access control terminal equipment | |
CN108305358A (en) | A kind of novel finger print control smart lock and its control method | |
CN109727346A (en) | Directly locking the networking door-locking system and testimony of a witness comparison method for realizing that the testimony of a witness compares | |
CN101777098B (en) | Personal code group manager and management system thereof | |
CN214335805U (en) | A thing networking access control circuit for cloud access control terminal equipment | |
CN207046622U (en) | A kind of building elevator Intelligent security apparatus | |
CN213365596U (en) | Building intercom host | |
CN201622627U (en) | Fingerprint doorcontrol device | |
CN210038898U (en) | Intelligent access control system | |
CN204331789U (en) | A kind of meeting management system based on recognition of face | |
CN212809322U (en) | Hand vein face multi-mode identification entrance guard attendance all-in-one | |
CN208873015U (en) | A kind of intelligent home control system of wireless talkback | |
CN110790095A (en) | Elevator IC card controller for security inspection | |
CN213935028U (en) | Novel face identification public rental house intelligent lock | |
CN205680162U (en) | A kind of multifunctional intellectual coded lock | |
CN205910709U (en) | Intelligence finger vein authenticate device | |
CN209388394U (en) | Unmanned access control system terminal | |
CN207133627U (en) | A kind of Quick Response Code ladder control privilege control system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |