CN214835862U - Intelligent door based on biological recognition - Google Patents
Intelligent door based on biological recognition Download PDFInfo
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- CN214835862U CN214835862U CN202121272168.XU CN202121272168U CN214835862U CN 214835862 U CN214835862 U CN 214835862U CN 202121272168 U CN202121272168 U CN 202121272168U CN 214835862 U CN214835862 U CN 214835862U
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Abstract
The application discloses intelligence door based on biological identification includes: the door comprises a door frame, a main body door plate and a bolt which is arranged on the main body door plate and used for limiting; the identification device is arranged on the main body door plate; the recognition device includes: a housing penetrating the main body door panel; a face recognition window and a voice interaction window are arranged on the outer shell of the door; the camera is arranged in the face recognition window; the first motor is connected with the camera and used for controlling the camera to rotate in a fixed axis manner; the microphone is arranged in the voice interaction window; a speaker disposed around the microphone; the MCU processor is connected with the camera, the microphone and the loudspeaker; the MCU processor is used for sequentially carrying out information authentication on the voiceprint information and the face information; and the display operation screen is arranged on the inner shell of the door and connected with the MCU processor. Compared with the prior art, the intelligent unlocking system has a large face recognition scanning range, can be combined with voice recognition and face recognition to carry out unlocking authentication, and improves the convenience and accuracy of intelligent unlocking.
Description
Technical Field
The application relates to the technical field of safety protection, more specifically say, especially relate to an intelligence door based on biological identification.
Background
With the development of the biometric technology, it has been applied to various fields of human life and production, and one of them is the smart door of biometric identification.
At present, the intelligent door based on biological recognition generally comprises a fingerprint recognition door, a face recognition door and a voice recognition door. Different types of biological identification doors have corresponding defects, and for the face identification door, intelligent unlocking is realized by scanning faces by corresponding face acquisition equipment on the door to acquire face information, and information authentication is performed. However, the scanning range of the face acquisition equipment on the face recognition door is small at present, and a face is required to face the face acquisition equipment when information is acquired; and generally only a single biological identification technology is equipped, so that when a person moves near a door, the door can be opened by mistake, and the convenience and the accuracy of intelligent unlocking are seriously influenced.
Therefore, how to provide an intelligent door based on biometric identification, which has a large face recognition scanning range, can combine voice recognition and face recognition to perform unlocking authentication, and improves the convenience and accuracy of intelligent unlocking has become a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides an intelligence door based on biological identification, and it possesses great face identification scanning range, can combine speech recognition and face identification to unblank the authentication, improves the convenience and the accuracy that intelligence was unblanked.
The first technical scheme provided by the application is as follows:
the application provides an intelligence door based on biological identification includes: the door comprises a door frame, a main body door plate and a bolt which is arranged on the main body door plate and used for limiting; the identification device is arranged on the main body door plate; the identification device acts on the bolt and is used for controlling the bolt to automatically extend and retract; the identification device comprises: a housing extending through the main body door panel; a face recognition window and a voice interaction window are arranged on the shell outside the door; the camera is arranged in the face recognition window and used for collecting face information; the first motor is connected with the camera and used for controlling the fixed axis rotation of the camera; the microphone is arranged in the voice interaction window and used for collecting voiceprint information; the loudspeaker is arranged around the microphone; the MCU processor is connected with the camera, the microphone and the loudspeaker; the MCU processor is used for sequentially carrying out information authentication on the voiceprint information and the face information; and the display operation screen is arranged in the door and is connected with the MCU processor on the shell.
Further, in a preferred mode of the present invention, the identification device further includes: a detachable standby power supply arranged in the shell; a power supply control switch is arranged on the standby power supply; the standby power supply is used for providing standby power supply output.
Further, in a preferred mode of the present invention, the smart door based on biometric recognition further includes: and the hinge device is arranged on the side wall of the main body door panel and is used for connecting the main body door panel and the door frame.
Further, in a preferred mode of the present invention, the hinge device includes: a fixed metal cover arranged on the main body door plate; and the rotating mechanism is connected with the fixed metal cover and used for controlling the fixed metal cover to rotate around a fixed shaft.
Further, in a preferred aspect of the present invention, the rotating mechanism includes: a second motor connected to the fixed metal cover; both ends of the second motor are provided with motor rotating shafts; a fixed gear is connected with the motor rotating shaft; the fixed gear is arranged in the door frame and is fixedly connected with the door frame.
Further, in a preferred mode of the utility model, a common flat key is arranged on the motor rotating shaft; a key groove is formed in the fixed gear; and the motor rotating shaft is connected with the fixed gear key.
Further, in a preferred mode of the present invention, the smart door based on biometric recognition further includes: the fingerprint recognizer is arranged on the main body door plate outside the door; the fingerprint recognizer is used for fingerprint information authentication and recognition.
Further, in a preferred mode of the utility model, a password input key is arranged above the fingerprint recognizer; the password input key is used for inputting and authenticating password information.
Further, in a preferred embodiment of the present invention, the first motor, the second motor, the password input key and the fingerprint recognizer are communicatively connected to the MCU processor.
Further, in a preferable mode of the present invention, the display operation screen is a touch screen; the display operation screen is used for adding face information, voiceprint information, fingerprint information, password information, voice instructions and door opening instructions through the keys in the door, and displays real-time images outside the door in combination with the camera.
The utility model provides a pair of intelligent door based on biological identification compares with prior art, include: the door comprises a door frame, a main body door plate and a bolt which is arranged on the main body door plate and used for limiting; the identification device is arranged on the main body door plate; the identification device acts on the bolt and is used for controlling the bolt to automatically extend and retract; the identification device comprises: a housing extending through the main body door panel; a face recognition window and a voice interaction window are arranged on the shell outside the door; the camera is arranged in the face recognition window and used for collecting face information; the first motor is connected with the camera and used for controlling the fixed axis rotation of the camera; the microphone is arranged in the voice interaction window and used for collecting voiceprint information; the loudspeaker is arranged around the microphone; the MCU processor is connected with the camera, the microphone and the loudspeaker; the MCU processor is used for sequentially carrying out information authentication on the voiceprint information and the face information; and the display operation screen is arranged in the door and is connected with the MCU processor on the shell. Intelligent authentication unlocking is realized through the identification device; the microphone and the loudspeaker are used for voice interaction, and voiceprint information is collected; collecting face information by using the camera; the MCU processor is combined to sequentially perform information processing on the voiceprint information and the face information, intelligent unlocking authentication is performed in a mode of combining voice recognition unlocking and face recognition unlocking, and the accuracy of unlocking authentication is improved; secondly, the camera is connected with the first motor, and the first motor and the face recognition window are utilized to enable the camera to rotate within a certain angle range, so that a user does not need to deliberately enable the face to be over against the camera to acquire information, the scanning range of the camera is enlarged, and the convenience of authentication unlocking is improved. The utility model relates to a technical scheme compares in prior art, and it possesses great face identification scanning range, can combine speech recognition and face identification to unblank the authentication, improves the convenience and the accuracy that intelligence was unblanked.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of an intelligent door based on biometric identification according to an embodiment of the present invention;
fig. 2 is a rear view of an intelligent door based on biometric identification according to an embodiment of the present invention;
fig. 3 is a front view of an identification device according to an embodiment of the present invention;
fig. 4 is a schematic view of an internal structure of an identification device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a hinge device according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a rotating mechanism according to an embodiment of the present invention.
Description of reference numerals:
a doorframe 1; a main body door panel 2; a plug pin 3; the recognition means 4; a housing 5; a face recognition window 6; a voice interaction window 7; a camera 8; a microphone 9; a speaker 10; a first motor 11; displaying an operation screen 12; a backup power supply 13; a power control switch 14; a hinge device 15; a password input key 16; a fingerprint recognizer 17; a fixed metal cover 18; a rotating mechanism 19; a second motor 20; a motor shaft 21; a fixed gear 22; a normal flat key 23; a key slot 24.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1 to 6, the biometric-based smart door provided in the embodiment of the present application includes: the door comprises a door frame 1, a main body door plate 2 and a bolt 3 which is arranged on the main body door plate 2 and used for limiting; the identification device 4 is arranged on the main body door panel 2; the identification device 4 acts on the bolt 3 to control the bolt 3 to automatically extend and retract; the identification means 4 comprise: a housing 5 penetrating the main body door panel 2; a face recognition window 6 and a voice interaction window 7 are arranged on the shell 5 outside the door; the camera 8 is arranged in the face recognition window 6 and used for collecting face information; a first motor 11 connected with the camera 8 for controlling the camera 8 to rotate in a fixed axis manner; a microphone 9 arranged in the voice interaction window 7 and used for collecting voiceprint information; a speaker 10 provided around the microphone 9; the MCU processor is connected with the camera 8, the microphone 9 and the loudspeaker 10; the MCU processor is used for sequentially carrying out information authentication on the voiceprint information and the face information; and a display operation screen 12 arranged on the outer shell 5 in the door and connected with the MCU processor.
The intelligent door based on biological identification that this application embodiment provided specifically includes: the door comprises a door frame 1, a main body door plate 2 and a bolt 3 which is arranged on the main body door plate 2 and used for limiting; the identification device 4 is arranged on the main body door panel 2; the identification device 4 acts on the bolt 3 to control the bolt 3 to automatically extend and retract; the identification means 4 comprise: a housing 5 penetrating the main body door panel 2; a face recognition window 6 and a voice interaction window 7 are arranged on the shell 5 outside the door; the camera 8 is arranged in the face recognition window 6 and used for collecting face information; a first motor 11 connected with the camera 8 for controlling the camera 8 to rotate in a fixed axis manner; a microphone 9 arranged in the voice interaction window 7 and used for collecting voiceprint information; a speaker 10 provided around the microphone 9; the MCU processor is connected with the camera 8, the microphone 9 and the loudspeaker 10; the MCU processor is used for sequentially carrying out information authentication on the voiceprint information and the face information; and a display operation screen 12 arranged on the outer shell 5 in the door and connected with the MCU processor. Intelligent authentication unlocking is realized through the identification device 4; voice interaction is carried out by using the microphone 9 and the loudspeaker 10, and voiceprint information is collected; collecting face information by using the camera 8; the MCU processor is combined to sequentially perform information processing on the voiceprint information and the face information, intelligent unlocking authentication is performed in a mode of combining voice recognition unlocking and face recognition unlocking, and the accuracy of unlocking authentication is improved; secondly, camera 8 is connected with first motor 11, utilizes first motor 11 and face identification window 6, makes camera 8 can rotate at certain angular range, and the user need not to be careful face just to carry out information acquisition to camera 8, has increased camera 8's scanning range, improves the convenience that the authentication unblanked. The utility model relates to a technical scheme compares in prior art, and it possesses great face identification scanning range, can combine speech recognition and face identification to unblank the authentication, improves the convenience and the accuracy that intelligence was unblanked.
Specifically, in the embodiment of the utility model discloses an in, speech recognition unblanks and face identification unblanks adopts the mode of unblanking that combines the authentication.
After the microphone 9 and the camera 8 collect voiceprint information and face information, the MCU processor sequentially performs information authentication on the voiceprint information and the face information, and rejects the user unlocking request when the voiceprint information authentication fails; rejecting the user unlocking request when the voiceprint information passes the authentication and the face information does not pass; when the voiceprint information authentication and the face information authentication both pass, the intelligent door is unlocked, and when the voiceprint information passes, the automatic door closing can be realized.
Specifically, in the embodiment of the present invention, the identification device 4 further includes: a detachable standby power supply 13 arranged in the shell 5; a power supply control switch 14 is arranged on the standby power supply 13; the backup power supply 13 is configured to provide a backup power output.
The power control switch 14 includes an indoor power switch and an outdoor power switch; when the power supply of the intelligent door based on the biological recognition is suddenly powered off, each device of the door lock keeps the state before the power off; if the user is in the door at the moment, the power supply can be switched through the power switch in the door; a user can set the intelligent door to work and enter a power saving state through the display operation screen 12; if the user is outside the door and the door is in a closed state, the standby power supply 13 can be started through the power switch outside the door for unlocking authentication.
Specifically, in the embodiment of the present invention, the intelligent door based on biometric identification further includes: and the hinge device 15 is arranged on the side wall of the main body door panel 2 and is used for connecting the main body door panel 2 and the door frame 1.
Specifically, in the embodiment of the present invention, the hinge device 15 includes: a fixed metal cover 18 provided on the main body door panel 2; and a rotating mechanism 19 connected with the fixed metal cover 18 and used for controlling the fixed metal cover 18 to rotate in a fixed axis mode.
Specifically, in an embodiment of the present invention, the rotating mechanism 19 includes: a second motor 20 connected to the fixed metal cover 18; a motor rotating shaft 21 is arranged at each end of the second motor 20; a fixed gear 22 is connected with the motor rotating shaft 21; the fixed gear 22 is arranged in the door frame 1 and is fixedly connected with the door frame 1.
The hinge device 15 can be used for enabling the main body door panel 2 to rotate in a fixed axis mode to realize door opening or door closing; wherein the fixed metal cover 18 is used for connecting the main body door panel 2 and the second motor 20; the second motor 20 provides rotary power for the main body door panel 2 to open or close the door in a rotary manner; the fixed gear 22 is used for connecting the second motor 20 and the door frame 1; secondly, the MCU processor is in communication connection with the second motor 20 to control the second motor 20 to rotate forward or backward, so that the main body door panel 2 can open the door inward or outward according to the user's requirement.
Specifically, in the embodiment of the present invention, a common flat key 23 is disposed on the motor rotating shaft 21; a key slot 24 is arranged on the fixed gear 22; the motor rotating shaft 21 is connected with the fixed gear 22 in a key mode.
Specifically, in the embodiment of the present invention, the intelligent door based on biometric identification further includes: the fingerprint recognizer 17 is arranged on the main body door plate 2 outside the door; the fingerprint recognizer 17 is used for fingerprint information authentication and recognition.
Specifically, in the embodiment of the present invention, a password input key 16 is disposed above the fingerprint identifier 17; the password input key 16 is used for inputting and authenticating password information.
The password input key 16 and the fingerprint recognizer 17 are arranged for password unlocking authentication and fingerprint unlocking authentication, and the authentication unlocking mode of the intelligent door is increased; password authentication unblanks and fingerprint authentication of unblanking adopts the authentication of independently unblanking, namely: the user can select one authentication mode of the fingerprint unlocking authentication and the fingerprint unlocking authentication, and when the authentication of any mode passes, the main body door plate 2 can be opened.
Specifically, in the embodiment of the present invention, the first motor 11, the second motor 20, the password input key 16 and the fingerprint recognizer 17 are communicatively connected to the MCU processor.
The first motor 1 is in communication connection with the MCU processor and is used for automatically controlling the camera 8 to rotate; the second motor 20 is in communication connection with the MCU processor and is used to control the main body door panel 2 to open and close the door automatically.
Specifically, in the embodiment of the present invention, the display operation screen 12 is a touch screen; the display operation screen 12 is used for adding face information, voiceprint information, fingerprint information, password information, voice instructions and door opening instructions by pressing a key in the door, and displays real-time images outside the door by combining the camera 8.
The door opening instruction of the in-door button is added, so that when a user opens the door in the door, the user must open the door through the touch button on the display operation screen 12, and the situation that the sound outside the door is guided into the door and the door is opened mistakenly is prevented. If the door is opened by adopting the voice control method, the sound outside the door is led into the door, and the door is opened wrongly.
Specifically, in the embodiment of the present invention, the voice command includes a door opening command, a door closing command, and a modification command.
More specifically, today, the biometric-based smart doors generally include fingerprint recognition doors, face recognition doors, and voice recognition doors. Different types of biological identification doors have corresponding defects, and for the face identification door, intelligent unlocking is realized by scanning faces by corresponding face acquisition equipment on the door to acquire face information, and information authentication is performed. However, the scanning range of the face acquisition equipment on the face recognition door is small at present, and a face is required to face the face acquisition equipment when information is acquired; and generally only a single biological identification technology is equipped, so that when a person moves near a door, the door can be opened by mistake, and the convenience and the accuracy of intelligent unlocking are seriously influenced.
Specifically, in the embodiment of the present invention, the MCU processor is connected to the standby power supply 13 for detecting the power status.
The MCU processor is connected with the standby power supply 13 and can detect the electric quantity and the fault of the standby power supply 13 in real time; when a fault is detected, the MCU processor can control the speaker 10 to issue a fault alarm.
Specifically, in the embodiment of the present invention, the working principle of the smart door based on biometric identification is specifically as follows: firstly, the microphone 9 detects that the sound outside the door is larger than a set value; then awakening the MCU processor to process the collected sound information, starting the camera 8, and capturing and recording an external image in a rotatable range; whether voiceprint information authentication is carried out on the unlocking user, if the voiceprint information authentication is not carried out on the unlocking user, the voice is judged to be an invalid instruction, if the voiceprint information authentication is carried out on the unlocking user, the voice is not a set instruction, the voice is also judged to be an invalid instruction, and if the voiceprint information authentication is carried out on the unlocking user, the voice is judged to be a set instruction, and if the voice is not a set instruction, the voice is judged to be a valid instruction; if the command is a door opening command in the valid command, detecting face information in the captured image, and if the unlocking user identified by the image and the voice is the same, executing the door opening command; the door opening instruction can be divided into inward and outward, so the door opening direction can be different according to the instruction; if the command is a door closing command in the effective commands, executing the door closing command; if the command is a modification command in the valid commands, face information in the captured image is detected, and if the unlocking user identified by the image and the voice is the same, the modification command is executed.
If the command is not valid, the voice verifies that the door is not an unlocking user outside the door, and the fact that the door continuously moves outside the door for the set time of the system is detected, the loudspeaker 10 broadcasts the person outside the door in a voice mode, and at the moment, the person in the house can judge whether the door is a visitor through the screen inside the door and observe the external condition of the door; if the visitor is outside the door, the user opens the door inside the door, whether the image information of the visitor is cleared or not is selected according to the system setting, and if the visitor is not outside the door, the user autonomously handles the current situation; if not a valid command, but the voice verifies that the outside door is an unlockable user, then a choice is made based on the system settings whether to voice-report the name of the unlockable user and other contents of the system settings.
From the above, the intelligent door based on biological identification according to the embodiment of the present invention realizes intelligent authentication unlocking through the identification device 4; voice interaction is carried out by using the microphone 9 and the loudspeaker 10, and voiceprint information is collected; collecting face information by using the camera 8; the MCU processor is combined to sequentially perform information processing on the voiceprint information and the face information, intelligent unlocking authentication is performed in a mode of combining voice recognition unlocking and face recognition unlocking, and the accuracy of unlocking authentication is improved; secondly, camera 8 is connected with first motor 11, utilizes first motor 11 and face identification window 6, makes camera 8 can rotate at certain angular range, and the user need not to be careful face just to carry out information acquisition to camera 8, has increased camera 8's scanning range, improves the convenience that the authentication unblanked. The utility model relates to a technical scheme compares in prior art, and it possesses great face identification scanning range, can combine speech recognition and face identification to unblank the authentication, improves the convenience and the accuracy that intelligence was unblanked.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an intelligence door based on biological identification, includes door frame and main part door plant to and locate and be used for spacing bolt on the main part door plant, its characterized in that still includes:
the identification device is arranged on the main body door plate; the identification device acts on the bolt and is used for controlling the bolt to automatically extend and retract;
the identification device comprises: a housing extending through the main body door panel; a face recognition window and a voice interaction window are arranged on the shell outside the door; the camera is arranged in the face recognition window and used for collecting face information; the first motor is connected with the camera and used for controlling the fixed axis rotation of the camera; the microphone is arranged in the voice interaction window and used for collecting voiceprint information; the loudspeaker is arranged around the microphone; the MCU processor is connected with the camera, the microphone and the loudspeaker; the MCU processor is used for sequentially carrying out information authentication on the voiceprint information and the face information; and the display operation screen is arranged in the door and is connected with the MCU processor on the shell.
2. The intelligent door based on biometric identification according to claim 1, wherein the identification means further comprises: a detachable standby power supply arranged in the shell; a power supply control switch is arranged on the standby power supply; the standby power supply is used for providing standby power supply output.
3. The smart door based on biometric identification as recited in claim 1, further comprising: and the hinge device is arranged on the side wall of the main body door panel and is used for connecting the main body door panel and the door frame.
4. The biometric-based smart door of claim 3, wherein the hinge arrangement comprises: a fixed metal cover arranged on the main body door plate; and the rotating mechanism is connected with the fixed metal cover and used for controlling the fixed metal cover to rotate around a fixed shaft.
5. The biometric-based smart door of claim 4, wherein the rotation mechanism comprises: a second motor connected to the fixed metal cover; both ends of the second motor are provided with motor rotating shafts; a fixed gear is connected with the motor rotating shaft; the fixed gear is arranged in the door frame and is fixedly connected with the door frame.
6. The intelligent door based on biological identification as claimed in claim 5, wherein a common flat key is arranged on the motor rotating shaft; a key groove is formed in the fixed gear; and the motor rotating shaft is connected with the fixed gear key.
7. The smart door based on biometric identification as recited in claim 5, further comprising: the fingerprint recognizer is arranged on the main body door plate outside the door; the fingerprint recognizer is used for fingerprint information authentication and recognition.
8. The intelligent door based on biological identification according to claim 7, wherein a password input key is arranged above the fingerprint identifier; the password input key is used for inputting and authenticating password information.
9. The biometric-based smart door of claim 8, wherein the first motor, the second motor, the password input key, and the fingerprint recognizer are communicatively coupled to the MCU processor.
10. The intelligent door based on biological recognition of claim 1, wherein the display operation screen is a touch screen; the display operation screen is used for adding face information, voiceprint information, fingerprint information, password information, voice instructions and door opening instructions through the keys in the door, and displays real-time images outside the door in combination with the camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121272168.XU CN214835862U (en) | 2021-06-08 | 2021-06-08 | Intelligent door based on biological recognition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121272168.XU CN214835862U (en) | 2021-06-08 | 2021-06-08 | Intelligent door based on biological recognition |
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| CN214835862U true CN214835862U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724284A (en) * | 2022-04-06 | 2022-07-08 | 安徽迅科智能技术有限公司 | Detection and recognition system for entering different office fields according to human faces of workers |
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2021
- 2021-06-08 CN CN202121272168.XU patent/CN214835862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724284A (en) * | 2022-04-06 | 2022-07-08 | 安徽迅科智能技术有限公司 | Detection and recognition system for entering different office fields according to human faces of workers |
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