CN114373240A - Student sign-in photo collection all-in-one machine and campus management system comprising same - Google Patents

Student sign-in photo collection all-in-one machine and campus management system comprising same Download PDF

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Publication number
CN114373240A
CN114373240A CN202210038319.8A CN202210038319A CN114373240A CN 114373240 A CN114373240 A CN 114373240A CN 202210038319 A CN202210038319 A CN 202210038319A CN 114373240 A CN114373240 A CN 114373240A
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CN
China
Prior art keywords
box body
outer box
student
groove
circuit board
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.)
Pending
Application number
CN202210038319.8A
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Chinese (zh)
Inventor
李泓键
张申平
叶练武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Youchenxu Intelligent Technology Co ltd
Original Assignee
Chongqing Youchenxu Intelligent Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Youchenxu Intelligent Technology Co ltd filed Critical Chongqing Youchenxu Intelligent Technology Co ltd
Priority to CN202210038319.8A priority Critical patent/CN114373240A/en
Publication of CN114373240A publication Critical patent/CN114373240A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/10Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity

Abstract

The invention first discloses a student sign-in photo collection all-in-one machine, which comprises: the winding device comprises an outer box body, a control circuit board, a display screen, a winding reel, a coil spring and a data wire; a control circuit board is arranged in the outer box body, and a display screen connected with the control circuit board is arranged on the front surface of the outer box body; a winding reel is arranged in the outer box body, a coil spring is arranged between the winding reel and the inner wall of the outer box body, and the elasticity of the coil spring enables the data wire to be convoluted outside the winding reel; the data line includes: the connector is electrically connected to the control circuit board through the connecting wire, and the connecting guide penetrates out of the outer box body from the back side of the outer box body. This student signs in photo and gathers all-in-one and contain its campus management system and solve and do not have the data line among the prior art and sign in with the problem that uses equipment and teaching desktop computer to be connected with the student.

Description

Student sign-in photo collection all-in-one machine and campus management system comprising same
Technical Field
The invention relates to equipment for student sign-in, in particular to a student sign-in photo collection all-in-one machine and a campus management system comprising the same.
Background
Student signs in and uses equipment includes: the display screen, a housing, camera and control circuit board, display window has been seted up to the shell, install control circuit board in the shell, control circuit board electricity is connected to camera and display screen, set up the hole of penetrating that supplies the camera to pass through on the shell, the display screen is used for showing the student and signs in the menu, the last memory of installing of control circuit board, memory storage student face photo, the controller is provided with face identification module and face acquisition module in the control circuit board, face acquisition module is through in the memory is stored with face photo after control camera acquireing face photo, face identification module is used for acquireing present people's face photo through the camera, and calculate through face recognition algorithm and obtain the corresponding identity letter of face photo, sign in afterwards. Although the check-in through the human face can be realized, the device still has the following defects:
sometimes, the student sign-in equipment is connected with a teaching desk computer, a computer usb interface is needed for power supply, or the student head portraits of the student are downloaded from the computer, and the problem of troublesome operation caused by the need of finding data lines everywhere occurs.
Disclosure of Invention
The invention provides a student sign-in photo collection all-in-one machine and a campus management system comprising the same, and solves the problem that no data line is used for connecting student sign-in equipment with a teaching desk computer in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention first discloses a student sign-in photo collection all-in-one machine, which comprises: the winding device comprises an outer box body, a control circuit board, a display screen, a winding reel, a coil spring and a data wire; a control circuit board is arranged in the outer box body, and a display screen connected with the control circuit board is arranged on the front surface of the outer box body; a winding reel is arranged in the outer box body, a coil spring is arranged between the winding reel and the inner wall of the outer box body, and the elasticity of the coil spring enables the data wire to be convoluted outside the winding reel; the data line includes: the connector is electrically connected to the control circuit board through the connecting wire, and the connecting guide penetrates out of the outer box body from the back side of the outer box body.
Preferably, the student check-in photo collection all-in-one machine further comprises: the supporting leg, the rotation limiting mechanism and the elastic part; the back of the outer box body is hinged with a supporting leg, the supporting leg can be retracted into an accommodating groove formed in the back of the outer shell body, and a rotation limiting mechanism is arranged on the outer shell body and used for limiting the supporting leg to be retracted into the accommodating groove; the inner wall of the accommodating groove is sunken to form an embedding groove and an installing groove, the installing groove is provided with a connector, the embedding groove is used for placing a connecting wire, and the connecting wire penetrates through the embedding groove arm; the rotation limiting mechanism is connected to the outer box body through the elastic part, one end of the rotation limiting mechanism extends into the mounting groove under the elasticity of the elastic part, and the other end of the rotation limiting mechanism is used for blocking the rotation of the supporting legs.
Preferably, the rotation limiting mechanism is connected with a rotation preventing arm, and the rotation preventing arm is used for limiting the rotation of the winding reel after one end of the rotation limiting mechanism extends into the mounting groove.
Preferably, the rotation preventing arm is connected with a first electrifying mechanism, the bobbin is provided with a second electrifying mechanism, and the first electrifying mechanism and the second electrifying mechanism are used for connecting a connecting wire with the control circuit board.
Preferably, the bobbin includes: the cylinder and the first center cylinder, one end face of the cylinder is sunken to form a first annular groove, the inner wall of the first annular groove is protruded to form the first center cylinder, the inner wall of the first annular groove is provided with a second electrifying mechanism, the first electrifying mechanism is arranged in the first annular groove, and the first center cylinder is matched with the anti-rotating arm.
Preferably, the second energizing mechanism includes: all the electrified rings are installed on the inner wall of the first annular groove at intervals, all the electrified rings are connected with conductive arms, and the guide arms are used for being connected to connecting wires.
Preferably, the first energization mechanism includes: the pressing pieces are made of conductive materials and used for being pressed on the energizing ring, and the pressing pieces are of J-shaped structures.
The invention also discloses a campus management system, which comprises: the student attendance photo collection all-in-one machine comprises a central server, a classroom computer and the student attendance photo collection all-in-one machine.
Compared with the prior art, the invention has the following beneficial effects:
the communication connection of the student sign-in photo collection all-in-one machine and the classroom computer is realized, thereby ensuring that the student sign-in photo collection all-in-one machine can transmit the collected photo to the central server through the classroom computer, also realizing that the student sign-in photo collection all-in-one machine downloads the photo and the identity information of the student corresponding to the course from the central server through the classroom computer, and facilitating the follow-up student sign-in photo collection all-in-one machine installation package unit, thereby realizing the face recognition without networking, and avoiding the networking and bringing inconvenience to the sign-in work.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a student check-in photo collection all-in-one machine;
FIG. 2 is a schematic structural diagram of the student check-in photo collection all-in-one machine;
FIG. 3 is an exploded view of the rotation limiting mechanism, the rotation preventing arm and the bobbin;
FIG. 4 is a schematic view of the structure of the anti-rotation arm;
FIG. 5 is a schematic view of the structure at the bobbin;
fig. 6 is a schematic view of the structure at the bobbin.
Reference numerals: the outer box body 1, the accommodating groove 11, the mounting groove 12, the placing groove 13, the convex portion 14, the supporting leg 2, the groove 20, the clamping groove 21, the buckle plate 22, the pressing pad 23, the rotation limiting mechanism 3, the first blocking arm 31, the second blocking arm 32, the connecting arm 33, the rotation preventing arm 34, the gear 341, the toothed ring 342, the first electrifying mechanism 35, the second electrifying mechanism 36, the electrifying ring 361, the connecting arm 362, the elastic portion 4, the connecting wire 5, the joint 6, the display screen 7, the winding reel 8, the cylinder 81, the first central cylinder 82 and the second central cylinder 83.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
as shown in fig. 1 to 6, the present invention first discloses a student check-in photo collecting all-in-one machine, comprising: the winding box comprises an outer box body 1, a control circuit board, a display screen 7, a winding reel 8, a coil spring and a data wire; a control circuit board is arranged in the outer box body 1, and a display screen 7 connected with the control circuit board is arranged on the front surface of the outer box body 1; a bobbin 8 is arranged in the outer box body 1, a coil spring is arranged between the bobbin 8 and the inner wall of the outer box body 1, and the elasticity of the coil spring enables the data wire to be convoluted outside the bobbin 8; the data line includes: a connecting wire 5 and a connector 6, wherein the connector 6 is electrically connected to the control circuit board through the connecting wire 5, and the connecting guide penetrates out of the outer case 1 from the back of the outer case 1.
This student's photograph collection all-in-one of registering still includes: a supporting leg 2, a rotation limiting mechanism 3 and an elastic part 4; the back of the outer box body 1 is hinged with a supporting leg 2, the supporting leg 2 can be retracted into an accommodating groove 11 formed in the back of the outer box body, a rotation limiting mechanism 3 is arranged on the outer box body, and the rotation limiting mechanism 3 is used for limiting the supporting leg 2 to be retracted into the accommodating groove 11; the inner wall of the accommodating groove 11 is recessed to form an accommodating groove 13 and an installing groove 12, the installing groove 12 is provided with a connector 6, the accommodating groove 13 is used for accommodating the connecting wire 5, and the connecting wire 5 penetrates through the arm of the accommodating groove 13; the rotation limiting mechanism 3 is connected to the outer box 1 through the elastic part 4, one end of the rotation limiting mechanism 3 extends into the mounting groove 12 under the elastic force of the elastic part 4, and the other end of the rotation limiting mechanism 3 is used for blocking the rotation of the supporting leg 2. 1) By arranging the supporting legs 2, the outer box body 1 provided with the control circuit board, the camera and the display screen 7 is erected on the teacher's desk, so that people can conveniently acquire photos and sign in; 2) the supporting legs 2 are rotated into the accommodating grooves 11 through the accommodating grooves 11, so that the carrying is convenient; 3) by arranging the mounting groove 12 and the placing groove 13, the connecting lead 5 and the joint 6 are accommodated in the outer box body 1 when not in use, and the mounting efficiency is improved; 4) through setting up rotation limiting mechanism 3 and elastic component 4, realized just can with supporting legs 2 lock after connecting 6 installation targets in place, avoided not having the in-process supporting legs 2 rotation of rotation limiting mechanism 3 and elastic component 4 and leaded to supporting legs 2 to damage connecting wire 5 or connect 6, collided connecting wire 5 and joint 6 when having avoided supporting legs 2 lock, guaranteed life.
And the rotation limiting mechanism 3 is connected with a rotation preventing arm 34, and the rotation preventing arm 34 is used for preventing the rotation of the winding reel 8 by the rotation preventing arm 34 after one end of the rotation limiting mechanism 3 extends into the mounting groove 12. After the data wire is pulled out, the connecting wire 5 is prevented from being easily separated because the bobbin 8 is continuously rotated to release the connecting wire 5.
The rotation preventing arm 34 is connected with a first energizing mechanism 35, the bobbin 8 is provided with a second energizing mechanism 36, and the first energizing mechanism 35 and the second energizing mechanism 36 are used for connecting the connecting lead 5 with the control circuit board. After the rotation preventing arm 34 is inserted into the bobbin 8, the connecting wire 5 is connected with the control circuit board through the first power-on mechanism 35 and the second power-on mechanism 36, the situation that the connection between the connecting wire 5 and the control circuit board is influenced by multiple rotations of the bobbin 8 is avoided, the first power-on mechanism 35 is connected to the control circuit board through a flexible wire, and the connection between the first power-on mechanism 35 and the flexible wire is not prone to being separated due to the fact that the rotation preventing arm 34 moves linearly.
The bobbin 8 includes: the anti-rotation device comprises a cylinder 81 and a first central cylinder 82, wherein one end face of the cylinder 81 is sunken to form a first annular groove, the inner wall of the first annular groove is protruded to form the first central cylinder 82, a second energizing mechanism 36 is installed on the inner wall of the first annular groove, a first energizing mechanism 35 is arranged in the first annular groove, and the first central cylinder 82 is matched with an anti-rotation arm 34. Providing a mounting location for the second energizing mechanism 36. A second central cylinder 83 protrudes from the inner wall of the outer box 1, the second central cylinder 83 is fixed with the outer box 1, the second central cylinder 83 extends into a second annular groove formed by the depression of the other end face of the cylinder 81, the second central cylinder 83 hooks the inner end of the coil spring, and the second annular groove wall hooks the outer end of the coil spring.
The second energization mechanism 36 includes: a plurality of power rings 361 and a plurality of connecting arms 36233, all the power rings 361 are installed on the inner wall of the first annular groove at intervals, all the power rings 361 are connected with conductive arms, and the conductive arms are used for connecting to the connecting wires 5. The connection with the connecting wires 5 is facilitated.
The first energization mechanism 35 includes: the pressing pieces are made of conductive materials and used for being pressed on the electrifying ring 361, and the pressing pieces are of J-shaped structures. The pressing piece has elasticity, and good contact between the pressing piece and the electrified ring 361 is guaranteed.
The rotation preventing arm 34 is provided with a gear 341, a gear ring 342 is provided on the first central cylinder 82, and the inner ring is engaged with the gear 341, so that the gear 341 can be engaged with the gear ring 342 after the bobbin 8 is drawn out by a length free from pain.
The rotation limiting mechanism 3 includes: the first blocking arm 31, the second blocking arm 32 and the connecting arm 36233 are connected through the connecting arm 36233, the first blocking arm 31 is used for extending into the mounting groove 12, and the second blocking arm 32 is used for blocking the supporting foot 2. First barrier arm 31 extrudees with connecting 6, and first barrier arm 31 compresses tightly connecting 6 in mounting groove 12 to a certain extent, avoids connecting 6 and spilling at the in-process of lock supporting legs 2.
The supporting leg 2 is provided with a pressing pad 23 in a protruding manner on one side close to the mounting groove 12, the pressing pad 23 is used for pressing the joint 6 in the mounting groove 12, and the pressing pad 23 is made of an elastic material to avoid pressing the joint 6.
The supporting leg 2 is recessed to form a groove 20 for the second blocking arm 32 to be inserted into, and after the first blocking arm 31 is retracted to the inner wall of the mounting groove 12, the second blocking arm 32 is aligned with the groove 20. The groove 20 is used for the second blocking arm 32 to be inserted, so that the supporting leg 2 is ensured to be buckled in the accommodating groove 11, and can be buckled compactly.
The rotation limiting mechanism 3 can move in a direction parallel to the axis of the support leg 2 in rotation relative to the outer case 1. If the direction of the rotation limiting mechanism 3 moving relative to the outer box 1 is perpendicular to the axis line around which the supporting leg 2 rotates, then it is highly likely that the outer box 1 pushes the rotation limiting mechanism 3 to move to the position where the supporting leg 2 can be allowed to rotate in the process of the supporting leg 2 rotating, which results in the excessive damage of the supporting leg 2 and the second blocking arm 32 due to relative friction, and the axis line around which the moving direction and the supporting leg 2 rotate is analyzed and analyzed
One edge of the supporting leg 2 is hinged with the outer box body 1 through a hinge shaft. The hinging of the supporting feet 2 is achieved.
The other edge of the supporting leg 2 is connected with the inner wall of the accommodating groove 11 in a buckling manner. It is achieved that the supporting feet 2 remain in the receiving groove 11 during carrying.
The inner wall of the accommodating groove 11 protrudes to form a convex part 14, the edge of the supporting leg 2 is sunken to form a clamping groove 21, and the convex part 14 is in snap fit with the clamping groove 21.
When the supporting leg 2 is used, firstly, the supporting leg 2 is pulled out, and the supporting leg 2 is provided with a buckle plate 22 for buckling fingers; then, the finger causes the supporting foot 2 to rotate; then, the connector 6 is pulled out from the mounting groove 12, and the connector 6 and the connecting lead 5 are pulled out; subsequently, the second blocking arm 32 is manually shifted, so that the gear 341 on the rotation preventing arm 34 is separated from the gear ring 342, and the state is maintained; then, pulling the joint 6 to pull the connecting lead 5 out of the bobbin 8 to a required length; and then, the second blocking arm 32 is released, under the elastic force of the elastic part 4, the first blocking arm 31 is pulled to extend into the mounting groove 12, the second blocking arm 32 moves to the position deviated from the groove 20, the second blocking arm 32 can keep the supporting leg 2 and the outer box 1 at the opened position, the stability supported on a table top is ensured, a picture is conveniently shot, and the picture is conveniently signed.
The invention also discloses a campus management system, which comprises: the student attendance photo collection all-in-one machine comprises a central server, a classroom computer and the student attendance photo collection all-in-one machine.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (8)

1. The utility model provides a student's photograph collection all-in-one of registering, includes: the winding device comprises an outer box body, a control circuit board, a display screen, a winding reel, a coil spring and a data wire;
a control circuit board is arranged in the outer box body, and a display screen connected with the control circuit board is arranged on the front surface of the outer box body;
a winding reel is arranged in the outer box body, a coil spring is arranged between the winding reel and the inner wall of the outer box body, and the elasticity of the coil spring enables the data wire to be convoluted outside the winding reel;
the data line includes: the connector is electrically connected to the control circuit board through the connecting wire, and the connecting guide penetrates out of the outer box body from the back side of the outer box body.
2. The student check-in photo capture all-in-one of claim 1, further comprising: the supporting leg, the rotation limiting mechanism and the elastic part; the back of the outer box body is hinged with a supporting leg, the supporting leg can be retracted into an accommodating groove formed in the back of the outer shell body, and a rotation limiting mechanism is arranged on the outer shell body and used for limiting the supporting leg to be retracted into the accommodating groove; the inner wall of the accommodating groove is sunken to form an embedding groove and an installing groove, the installing groove is provided with a connector, the embedding groove is used for placing a connecting wire, and the connecting wire penetrates through the embedding groove arm; the rotation limiting mechanism is connected to the outer box body through the elastic part, one end of the rotation limiting mechanism extends into the mounting groove under the elasticity of the elastic part, and the other end of the rotation limiting mechanism is used for blocking the rotation of the supporting legs.
3. The student attendance photo collection all-in-one machine as claimed in claim 2, wherein the rotation limiting mechanism is connected with a rotation preventing arm, and the rotation preventing arm is used for preventing the rotation of the winding reel after one end of the rotation limiting mechanism extends into the mounting groove.
4. The student attendance and photo collection all-in-one machine as claimed in claim 3, wherein the rotation preventing arm is connected with a first energizing mechanism, the bobbin is provided with a second energizing mechanism, and the first energizing mechanism and the second energizing mechanism are used for connecting a connecting wire with the control circuit board.
5. The student check-in photo collection all-in-one machine as claimed in claim 4, wherein the bobbin comprises: the cylinder and the first center cylinder, one end face of the cylinder is sunken to form a first annular groove, the inner wall of the first annular groove is protruded to form the first center cylinder, the inner wall of the first annular groove is provided with a second electrifying mechanism, the first electrifying mechanism is arranged in the first annular groove, and the first center cylinder is matched with the anti-rotating arm.
6. The student check-in photo capture all-in-one of claim 5, wherein the second energization mechanism comprises: all the electrified rings are installed on the inner wall of the first annular groove at intervals, all the electrified rings are connected with conductive arms, and the guide arms are used for being connected to connecting wires.
7. The student check-in photo capture all-in-one of claim 6, wherein the first power-on mechanism comprises: the pressing pieces are made of conductive materials and used for being pressed on the energizing ring, and the pressing pieces are of J-shaped structures.
8. A campus management system, comprising: a central server, a classroom computer, and a student check-in photo capture kiosk as claimed in any one of claims 1 to 7, the central server communicatively coupled to the classroom computer, the classroom computer communicatively coupled to the student check-in photo capture kiosk via a data line.
CN202210038319.8A 2022-01-13 2022-01-13 Student sign-in photo collection all-in-one machine and campus management system comprising same Pending CN114373240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210038319.8A CN114373240A (en) 2022-01-13 2022-01-13 Student sign-in photo collection all-in-one machine and campus management system comprising same

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Application Number Priority Date Filing Date Title
CN202210038319.8A CN114373240A (en) 2022-01-13 2022-01-13 Student sign-in photo collection all-in-one machine and campus management system comprising same

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CN114373240A true CN114373240A (en) 2022-04-19

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324116A (en) * 2011-09-29 2012-01-18 深圳大学 Class attendance checking system and method
CN205068511U (en) * 2015-09-22 2016-03-02 杭州景联文科技有限公司 Vertical attendance management machine
CN205321658U (en) * 2016-01-18 2016-06-22 东北石油大学 Integration lectern for political teaching
CN106067150A (en) * 2016-05-25 2016-11-02 中国民航大学 A kind of system and control method of registering based on mobile phone signal shielding
CN106920289A (en) * 2017-01-24 2017-07-04 杭州师范大学 A kind of mobile check class attendance system based on mobile terminal face recognition
CN206523906U (en) * 2017-01-14 2017-09-26 华北理工大学 A kind of intelligent student supervisor
CN108734421A (en) * 2018-07-25 2018-11-02 河南吾爱吾加科技有限公司 A kind of Intelligent campus information management platform
CN208460015U (en) * 2018-07-19 2019-02-01 郑州航空工业管理学院 Examination Verification System and certification terminal based on recognition of face
CN209657362U (en) * 2019-01-23 2019-11-19 安徽移诺信息科技有限公司 A kind of remote work attendance phone
CN210038885U (en) * 2019-07-24 2020-02-07 刘芳 A equipment of registering of intelligence for college english teaching
CN210627231U (en) * 2019-11-20 2020-05-26 顾建洪 Two unification authentication equipment of people's face fingerprint
CN213338877U (en) * 2020-11-08 2021-06-01 佛山鼎胜通信科技有限公司 Attendance entrance guard's device based on face identification

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324116A (en) * 2011-09-29 2012-01-18 深圳大学 Class attendance checking system and method
CN205068511U (en) * 2015-09-22 2016-03-02 杭州景联文科技有限公司 Vertical attendance management machine
CN205321658U (en) * 2016-01-18 2016-06-22 东北石油大学 Integration lectern for political teaching
CN106067150A (en) * 2016-05-25 2016-11-02 中国民航大学 A kind of system and control method of registering based on mobile phone signal shielding
CN206523906U (en) * 2017-01-14 2017-09-26 华北理工大学 A kind of intelligent student supervisor
CN106920289A (en) * 2017-01-24 2017-07-04 杭州师范大学 A kind of mobile check class attendance system based on mobile terminal face recognition
CN208460015U (en) * 2018-07-19 2019-02-01 郑州航空工业管理学院 Examination Verification System and certification terminal based on recognition of face
CN108734421A (en) * 2018-07-25 2018-11-02 河南吾爱吾加科技有限公司 A kind of Intelligent campus information management platform
CN209657362U (en) * 2019-01-23 2019-11-19 安徽移诺信息科技有限公司 A kind of remote work attendance phone
CN210038885U (en) * 2019-07-24 2020-02-07 刘芳 A equipment of registering of intelligence for college english teaching
CN210627231U (en) * 2019-11-20 2020-05-26 顾建洪 Two unification authentication equipment of people's face fingerprint
CN213338877U (en) * 2020-11-08 2021-06-01 佛山鼎胜通信科技有限公司 Attendance entrance guard's device based on face identification

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