CN110136288A - The attendance checking system for preventing substitution from checking card - Google Patents
The attendance checking system for preventing substitution from checking card Download PDFInfo
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- CN110136288A CN110136288A CN201910497013.7A CN201910497013A CN110136288A CN 110136288 A CN110136288 A CN 110136288A CN 201910497013 A CN201910497013 A CN 201910497013A CN 110136288 A CN110136288 A CN 110136288A
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- Prior art keywords
- mould group
- checking system
- attendance
- attendance checking
- camera
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
Present disclose provides a kind of attendance checking systems for preventing substitution from checking card, comprising: Trackpad, Password Input area, RFID credit card area, living things feature recognition area, two-dimensional code scanning area, the first installation part, the second installation part, the camera being built in attendance checking system, multiple sensors, time zone and longitude table of comparisons storage mould group, wireless transmission mould group, prompt mould group, liquid crystal display, master controller and gate inhibition's actuator；Camera is configured for repeatedly obtaining invisible two-dimensional codes image within a preset time, ontology has barcode scanning area, camera and multiple sensors are arranged at below two-dimensional code scanning area, time zone and longitude table of comparisons storage mould group, wireless transmission mould group and prompt mould group are built in the hollow structure of attendance checking system, and liquid crystal display is used to show the work state information of attendance checking system；Master controller is sent to gate inhibition's actuator for result is analyzed.The high efficiency of attendance work, simplicity and ease for use are improved by the attendance checking system for preventing substitution from checking card of the disclosure.
Description
Technical field
This disclosure relates to Intelligent hardware technical field, in particular to a kind of attendance checking system for preventing substitution from checking card.
Background technique
With the development of science and technology, the requirement to traditional attendance checking system increasingly tends to be intelligent, hommization, facilitation
Requirement.Existing attendance checking system is excessively single in use, for example, typing fingerprint or typing face etc..How attendance system is improved
Accuracy, high efficiency and the flexibility of system record attendance are a problem to be solved.
Summary of the invention
The technical issues of in order to solve in the prior art, the embodiment of the present disclosure provide a kind of attendance for preventing substitution from checking card
System improves the high efficiency of attendance work, simplicity and ease for use by the attendance checking system for preventing substitution from checking card of the disclosure.
In a first aspect, the embodiment of the present disclosure provides a kind of attendance checking system for preventing substitution from checking card, it is described to prevent substitution from beating
The attendance checking system of card includes: Trackpad, Password Input area, RFID credit card area, living things feature recognition area, two-dimensional code scanning area,
One installation part, the second installation part, the camera being built in the attendance checking system, multiple sensors, time zone and the longitude table of comparisons
Store mould group, wireless transmission mould group, prompt mould group, liquid crystal display, master controller and gate inhibition's actuator；The Trackpad from upper and
Under be disposed with the camera, the Password Input area, the RFID credit card area, the living things feature recognition area, doorbell
Key and talkback unit, the top of the Trackpad are movably set with first installation part, and the bottom end of the Trackpad is solid
Surely it is provided with second installation part, the camera is configured for repeatedly obtaining invisible two-dimensional codes figure within a preset time
Picture, in the attendance checking system body interior, the ontology has a barcode scanning area for camera setting, the camera and described more
A sensor is arranged at below the two-dimensional code scanning area, and the time zone and the longitude table of comparisons store mould group, the wireless hair
Mould group and the prompt mould group is sent to be built in the hollow structure of the attendance checking system, the time zone is deposited with the longitude table of comparisons
Chu Mo group is configured for obtaining the time of the attendance checking system position, and when record attendance user authentication information acquisition
It carves, the wireless transmission mould group is configured for the work state information of the attendance checking system being sent to cloud in real time, described
Prompt mould group executes buzzing and/or flashing light prompt, institute when being configured for being in the attendance mould group off working state information
Liquid crystal display setting is stated in the two-dimensional code scanning area, the liquid crystal display is used to show the work state information of the attendance checking system；
The master controller is configured for analyzing the biological information for receiving user and/or interactive information and be stored in advance in more
Function access control system terminal and/or the information in cloud, and analysis result is sent to gate inhibition's actuator.
The net connecting with gate inhibition's actuator is fixedly installed on the inside of the Trackpad in one of the embodiments,
Network communications module, the network communication mould group are connect by information receiving module with mobile electronic terminal, the network communication mould
Group is at least one of ethernet module, GPRS module, 2G module, 3G module, 4G module and 5G module, the network communication
Mould group application MQTT, TCP/IP, File Transfer Protocol are linked with attendance background server, carry out data exchange and remote upgrade.
Gate inhibition's actuator includes single-chip microcontroller in one of the embodiments, and with the monolithic mechatronics
Clock circuit, crystal oscillating circuit, power supply circuit, the clock circuit are RTC real time clock circuit.
The diagonal field of view angle of the camera wide-angle camera in one of the embodiments, the wide-angle camera is
70-90 degree, horizontal field of view angle are 60-80 degree, vertical field of view angle is 40-60 degree.
The camera includes circuit board in one of the embodiments,；It is connected with the circuit board, by proximal edge
The sensitive chip of the stepped setting of thickness in preset field range；Camera lens set on the photosensitive path of the sensitive chip；
Optical filter between the sensitive chip and the camera lens.
The wide-angle camera is HK-CDIP500w-5 camera, the wide-angle camera in one of the embodiments,
Quantity be at least one.
In one of the embodiments, further include: fluorescent lamp, the fluorescent-lamp-use is in assisting described in the camera completes
The scanning of invisible two-dimensional codes image.
In one of the embodiments, further include: light compensating lamp, the light compensating lamp is set to the camera shooting both sides of head, described
The quantity of light compensating lamp is the integral multiple quantity of 2 or 2.
The multiple sensor includes: iris sensor, fingerprint sensor in one of the embodiments, and vena metacarpea passes
Sensor, audio-video sensor；The iris sensor is configured for acquisition client iris information, so that preventing substitution from checking card
Attendance checking system authenticates user according to client iris information；The fingerprint sensor is configured for acquisition user fingerprints letter
Breath, so that the attendance checking system for preventing substitution from checking card authenticates user according to user fingerprints information；The vena metacarpea sensor
Be configured for acquisition user's vena metacarpea information so that prevent the attendance checking system checked card of substitution according to user's vena metacarpea information to
Family is authenticated；The audio-video sensor is configured for acquisition user voice information and user images information, so that preventing
The attendance checking system checked card is substituted to authenticate user according to the combination of user voice information and image information.
The Trackpad is capacitance type touch-control panel in one of the embodiments,.
A kind of attendance checking system for preventing substitution from checking card provided by the invention, comprising: Trackpad, Password Input area, RFID brush
Ka Qu, living things feature recognition area, two-dimensional code scanning area, the first installation part, the second installation part, the camera shooting being built in attendance checking system
Head, multiple sensors, time zone and longitude table of comparisons storage mould group, wireless transmission mould group, prompt mould group, liquid crystal display, master controller
And gate inhibition's actuator；Trackpad is disposed with camera, Password Input area, RFID credit card area, biological characteristic from top to bottom
Cog region, doorbell key and talkback unit, the top of Trackpad are movably set with the first installation part, and the bottom end of Trackpad is fixed
It is provided with the second installation part, camera is configured for repeatedly obtaining invisible two-dimensional codes image within a preset time, and camera is set
It sets in attendance checking system body interior, ontology has barcode scanning area, and camera and multiple sensors are arranged under two-dimensional code scanning area
Side, time zone and longitude table of comparisons storage mould group, wireless transmission mould group and prompt mould group are built in the hollow knot of attendance checking system
In structure, time zone and longitude table of comparisons storage mould group are configured for obtaining the time of attendance checking system position, and record attendance
User's authentication information acquires the moment, and wireless transmission mould group is configured in real time sending the work state information of attendance checking system
To cloud, buzzing and/or flashing light prompt are executed when mould group being prompted to be configured for being in attendance mould group off working state information,
Liquid crystal display setting is used to show the work state information of attendance checking system in two-dimensional code scanning area, liquid crystal display；Master controller is configured
It receives the biological information of user for analyzing and/or interactive information and is stored in advance in Multifunctional door prohibition system terminal
And/or the information in cloud, and analysis result is sent to gate inhibition's actuator.Pass through the attendance system for preventing substitution from checking card of the disclosure
System improves the high efficiency of attendance work, simplicity and ease for use.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the embodiment of the present disclosure, below to needed in embodiment description
Attached drawing is briefly described:
Fig. 1 is the structural schematic diagram for the attendance checking system that one of one embodiment of the invention prevents substitution from checking card；And
Fig. 2 is the structural schematic diagram for the attendance checking system that one of another embodiment of the present invention prevents substitution from checking card.
Specific embodiment
The application is further discussed in detail with reference to the accompanying drawings and examples.
In following introductions, term " first ", " second " only for descriptive purposes, and should not be understood as instruction or dark
Show relative importance.Following introductions provide multiple embodiments of the disclosure, can replace or merge between different embodiments
Combination, therefore the application is it is also contemplated that all possible combinations comprising documented identical and/or different embodiments.Thus, such as
Fruit one embodiment include feature A, B, C, another embodiment include feature B, D, then the application also should be regarded as include containing
A, the every other possible combined embodiment of one or more of B, C, D, although the embodiment may be in the following contents
In have specific literature record.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
The specific embodiment of figure, the attendance checking system for preventing substitution from checking card a kind of to the present invention is further elaborated.It should manage
Solution, described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the structural schematic diagram for the attendance checking system for preventing substitution from checking card for one of one embodiment.
Specifically, the attendance checking system for preventing substitution from checking card includes: Trackpad, Password Input area, RFID credit card area, biology spy
Levy cog region, two-dimensional code scanning area, the first installation part, the second installation part, the camera being built in attendance checking system, multiple sensings
Device, time zone and longitude table of comparisons storage mould group, wireless transmission mould group, prompt mould group, liquid crystal display, master controller and gate inhibition execute
Device.
It should be noted that Trackpad is disposed with camera, Password Input area, RFID credit card area, life from top to bottom
Object feature cog region, doorbell key and talkback unit, the top of Trackpad are movably set with the first installation part, the bottom of Trackpad
End is fixedly installed the second installation part, and camera is configured for repeatedly obtaining invisible two-dimensional codes image within a preset time, take the photograph
The setting of picture head has barcode scanning area in attendance checking system body interior, ontology, and camera is arranged at two dimensional code with multiple sensors and sweeps
It retouches below area, time zone and longitude table of comparisons storage mould group, wireless transmission mould group and prompt mould group are built in attendance checking system
In hollow structure, time zone and longitude table of comparisons storage mould group are configured for obtaining the time of attendance checking system position, and remember
It records attendance user authentication information and acquires the moment, wireless transmission mould group is configured for the work state information of attendance checking system is real
When be sent to cloud, execution buzzing and/or sudden strain of a muscle when mould group being prompted to be configured for be in attendance mould group off working state information
Lamp prompt, liquid crystal display setting are used to show the work state information of attendance checking system in two-dimensional code scanning area, liquid crystal display；Master controller
It is configured for analyzing the biological information for receiving user and/or interactive information and is stored in advance in Multifunctional door prohibition system
Terminal and/or the information in cloud, and analysis result is sent to gate inhibition's actuator.
Wherein, it should be noted that multiple sensors include: iris sensor, fingerprint sensor, vena metacarpea sensor,
Audio-video sensor；Iris sensor is configured for acquisition client iris information, so that the attendance checking system for preventing substitution from checking card
User is authenticated according to client iris information；Fingerprint sensor is configured for acquisition user fingerprints information, so that preventing
The attendance checking system checked card is substituted to authenticate user according to user fingerprints information；Vena metacarpea sensor is configured for acquisition and uses
Family vena metacarpea information, so that the attendance checking system for preventing substitution from checking card authenticates user according to user's vena metacarpea information；Sound view
Video sensor is configured for acquisition user voice information and user images information, so that the attendance checking system root for preventing substitution from checking card
User is authenticated according to the combination of user voice information and image information.The attendance system for preventing substitution from checking card is improved as a result,
System executes flexibility, accuracy and the high efficiency of attendance.
In addition it is also necessary to explanation, camera wide-angle camera, the diagonal field of view angle of wide-angle camera be 70-90 degree,
Horizontal field of view angle is 60-80 degree, vertical field of view angle is 40-60 degree.In addition, camera includes circuit board；It is connected with circuit board,
The sensitive chip of the stepped setting of thickness in the preset field range of proximal edge；Set on the photosensitive path of sensitive chip
Camera lens；Optical filter between sensitive chip and camera lens.In addition, wide-angle camera is HK-CDIP500w-5 camera, wide-angle
The quantity of camera is at least one.The high efficiency for preventing the attendance checking system checked card of substitution from executing attendance and fast is improved as a result,
Victory.
In addition it is also necessary to explanation, gate inhibition's actuator includes single-chip microcontroller, and the clock electricity with monolithic mechatronics
Road, crystal oscillating circuit, power supply circuit, clock circuit are RTC real time clock circuit.The attendance for preventing substitution from checking card is improved as a result,
The accuracy of system execution attendance.
In addition, as shown in Fig. 2, in one embodiment, a kind of of disclosure proposition prevents from substituting the attendance checking system checked card
The network communication mould group connecting with gate inhibition's actuator is fixedly installed on the inside of middle Trackpad, network communication mould group is connect by information
It receives mould group to connect with mobile electronic terminal, network communication mould group is ethernet module, GPRS module, 2G module, 3G module, 4G mould
At least one of block and 5G module, network communication mould group application MQTT, TCP/IP, File Transfer Protocol and attendance background server chain
It connects, carries out data exchange and remote upgrade.Improve as a result, the controllability that prevents the attendance checking system checked card of substitution from executing attendance with
Manageability.
In addition, as shown in Fig. 2, in one embodiment, a kind of of disclosure proposition prevents from substituting the attendance checking system checked card
It further include fluorescent lamp, fluorescent-lamp-use completes the scanning of invisible two-dimensional codes image in auxiliary camera.In addition, further include light compensating lamp,
Light compensating lamp is set to camera shooting both sides of head, and the quantity of light compensating lamp is the integral multiple quantity of 2 or 2.Pass through fluorescent lamp and light filling as a result,
The setting of lamp improves rapidity, high efficiency and the accuracy that the attendance checking system for preventing substitution from checking card executes attendance.
A kind of attendance checking system for preventing substitution from checking card provided by the invention, comprising: Trackpad, Password Input area, RFID brush
Ka Qu, living things feature recognition area, two-dimensional code scanning area, the first installation part, the second installation part, the camera shooting being built in attendance checking system
Head, multiple sensors, time zone and longitude table of comparisons storage mould group, wireless transmission mould group, prompt mould group, liquid crystal display, master controller
And gate inhibition's actuator；Trackpad is disposed with camera, Password Input area, RFID credit card area, biological characteristic from top to bottom
Cog region, doorbell key and talkback unit, the top of Trackpad are movably set with the first installation part, and the bottom end of Trackpad is fixed
It is provided with the second installation part, camera is configured for repeatedly obtaining invisible two-dimensional codes image within a preset time, and camera is set
It sets in attendance checking system body interior, ontology has barcode scanning area, and camera and multiple sensors are arranged under two-dimensional code scanning area
Side, time zone and longitude table of comparisons storage mould group, wireless transmission mould group and prompt mould group are built in the hollow knot of attendance checking system
In structure, time zone and longitude table of comparisons storage mould group are configured for obtaining the time of attendance checking system position, and record attendance
User's authentication information acquires the moment, and wireless transmission mould group is configured in real time sending the work state information of attendance checking system
To cloud, buzzing and/or flashing light prompt are executed when mould group being prompted to be configured for being in attendance mould group off working state information,
Liquid crystal display setting is used to show the work state information of attendance checking system in two-dimensional code scanning area, liquid crystal display；Master controller is configured
It receives the biological information of user for analyzing and/or interactive information and is stored in advance in Multifunctional door prohibition system terminal
And/or the information in cloud, and analysis result is sent to gate inhibition's actuator.Pass through the attendance system for preventing substitution from checking card of the disclosure
System improves the high efficiency of attendance work, simplicity and ease for use.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
The basic principle of the disclosure is described in conjunction with specific embodiments above, however, it is desirable to, it is noted that in the disclosure
The advantages of referring to, advantage, effect etc. are only exemplary rather than limitation, must not believe that these advantages, advantage, effect etc. are the disclosure
Each embodiment is prerequisite.In addition, detail disclosed above is merely to exemplary effect and the work being easy to understand
With, rather than limit, it is that must be realized using above-mentioned concrete details that above-mentioned details, which is not intended to limit the disclosure,.
Device involved in the disclosure, device, equipment, system block diagram only as illustrative example and being not intended to
It is required that or hint must be attached in such a way that box illustrates, arrange, configure.As those skilled in the art will appreciate that
, it can be connected by any way, arrange, configure these devices, device, equipment, system.Such as "include", "comprise", " tool
" etc. word be open vocabulary, refer to " including but not limited to ", and can be used interchangeably with it.Vocabulary used herein above
"or" and "and" refer to vocabulary "and/or", and can be used interchangeably with it, unless it is not such that context, which is explicitly indicated,.Here made
Vocabulary " such as " refers to phrase " such as, but not limited to ", and can be used interchangeably with it.
In addition, as used herein, the "or" instruction separation used in the enumerating of the item started with "at least one"
It enumerates, such as enumerating for " at least one of A, B or C " means A or B or C or AB or AC or BC or ABC (i.e. A and B and C).
In addition, wording " exemplary " does not mean that the example of description is preferred or more preferable than other examples.
Above description is had been presented for for purposes of illustration and description.In addition, this description is not intended to the reality of the disclosure
It applies example and is restricted to form disclosed herein.Although already discussed above multiple exemplary aspects and embodiment, this field skill
Its certain modifications, modification, change, addition and sub-portfolio will be recognized in art personnel.
Claims (10)
1. a kind of attendance checking system for preventing substitution from checking card, which is characterized in that the attendance checking system for preventing substitution from checking card includes: touching
Control plate, Password Input area, RFID credit card area, living things feature recognition area, two-dimensional code scanning area, the first installation part, the second installation part,
Camera, multiple sensors, time zone and the longitude table of comparisons being built in the attendance checking system store mould group, wireless transmission mould
Group, prompt mould group, liquid crystal display, master controller and gate inhibition's actuator；The Trackpad is disposed with described take the photograph from top to bottom
As head, the Password Input area, the RFID credit card area, the living things feature recognition area, doorbell key and talkback unit, institute
The top for stating Trackpad is movably set with first installation part, and the bottom end of the Trackpad is fixedly installed second installation
Part, the camera are configured for repeatedly obtaining invisible two-dimensional codes image within a preset time, and the camera is arranged in institute
Attendance checking system body interior is stated, the ontology has barcode scanning area, and the camera and the multiple sensor are arranged at described
Below two-dimensional code scanning area, the time zone and longitude table of comparisons storage mould group, the wireless transmission mould group and the prompt mould
Group is built in the hollow structure of the attendance checking system, and the time zone is configured for obtaining with longitude table of comparisons storage mould group
The time of the attendance checking system position, and record attendance user authentication information and acquire moment, the wireless transmission mould group
It is configured for for the work state information of the attendance checking system being sent to cloud in real time, the prompt mould group is configured for pair
The attendance mould group executes buzzing when being in off working state information and/or flashing light prompt, the liquid crystal display are arranged described two
Code scanning area is tieed up, the liquid crystal display is used to show the work state information of the attendance checking system；The master controller is configured to use
In analysis receive user biological information and/or interactive information and be stored in advance in Multifunctional door prohibition system terminal and/
Or the information in cloud, and analysis result is sent to gate inhibition's actuator.
2. the attendance checking system according to claim 1 for preventing substitution from checking card, which is characterized in that the inside of the Trackpad is solid
Surely be provided with the network communication mould group connecting with gate inhibition's actuator, the network communication mould group by information receiving module with
Mobile electronic terminal connection, the network communication mould group be ethernet module, GPRS module, 2G module, 3G module, 4G module and
At least one of 5G module, the network communication mould group application MQTT, TCP/IP, File Transfer Protocol and attendance background server chain
It connects, carries out data exchange and remote upgrade.
3. according to claim 1 prevent the attendance checking system checked card of substitution, which is characterized in that gate inhibition's actuator includes
Single-chip microcontroller, and clock circuit, crystal oscillating circuit, power supply circuit with the monolithic mechatronics, the clock circuit are RTC real
When clock circuit.
4. the attendance checking system according to claim 1 for preventing substitution from checking card, which is characterized in that the camera wide-angle imaging
Head, the diagonal field of view angle of the wide-angle camera is 70-90 degree, horizontal field of view angle is 60-80 degree, vertical field of view angle is 40-60
Degree.
5. according to claim 1 or 4 prevent the attendance checking system checked card of substitution, which is characterized in that the camera includes
Circuit board；It is connected with the circuit board, the photosensitive core of the stepped setting of thickness in the preset field range by proximal edge
Piece；Camera lens set on the photosensitive path of the sensitive chip；Optical filter between the sensitive chip and the camera lens.
6. according to claim 4 prevent the attendance checking system checked card of substitution, which is characterized in that the wide-angle camera is
HK-CDIP500w-5 camera, the quantity of the wide-angle camera are at least one.
7. the attendance checking system according to claim 1 for preventing substitution from checking card, which is characterized in that further include: fluorescent lamp, it is described
Fluorescent-lamp-use is in the scanning for assisting the camera to complete the invisible two-dimensional codes image.
8. the attendance checking system according to claim 1 for preventing substitution from checking card, which is characterized in that further include: light compensating lamp, it is described
Light compensating lamp is set to the camera shooting both sides of head, and the quantity of the light compensating lamp is the integral multiple quantity of 2 or 2.
9. the attendance checking system according to claim 1 for preventing substitution from checking card, which is characterized in that the multiple sensor packet
It includes: iris sensor, fingerprint sensor, vena metacarpea sensor, audio-video sensor；
The iris sensor is configured for acquisition client iris information so that prevent the attendance checking system checked card of substitution according to
Family iris information authenticates user；
The fingerprint sensor is configured for acquisition user fingerprints information so that prevent the attendance checking system checked card of substitution according to
Family finger print information authenticates user；
The vena metacarpea sensor is configured for acquisition user's vena metacarpea information, so that the attendance checking system root for preventing substitution from checking card
User is authenticated according to user's vena metacarpea information；
The audio-video sensor is configured for acquisition user voice information and user images information, so that preventing substitution from checking card
Attendance checking system user is authenticated according to the combination of user voice information and image information.
10. the attendance checking system according to claim 1 for preventing substitution from checking card, which is characterized in that the Trackpad is capacitor
Formula touch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497013.7A CN110136288A (en) | 2019-06-10 | 2019-06-10 | The attendance checking system for preventing substitution from checking card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497013.7A CN110136288A (en) | 2019-06-10 | 2019-06-10 | The attendance checking system for preventing substitution from checking card |
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| Publication Number | Publication Date |
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| CN110136288A true CN110136288A (en) | 2019-08-16 |
Family
ID=67580830
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910497013.7A Withdrawn CN110136288A (en) | 2019-06-10 | 2019-06-10 | The attendance checking system for preventing substitution from checking card |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110992504A (en) * | 2019-12-10 | 2020-04-10 | 泸州北方化学工业有限公司 | Card swiping and attendance checking integrated machine system |
-
2019
- 2019-06-10 CN CN201910497013.7A patent/CN110136288A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110992504A (en) * | 2019-12-10 | 2020-04-10 | 泸州北方化学工业有限公司 | Card swiping and attendance checking integrated machine system |
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