CN114882608A - Method for improving real-time performance of electronic sign-in - Google Patents
Method for improving real-time performance of electronic sign-in Download PDFInfo
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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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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
A method for improving the real-time performance of electronic check-in comprises the following steps: step 1: the participants carry the RFID card to pass through the personnel passage; step 2: the RFID reader analyzes the RFID card to obtain an identity ID number; and step 3: the single chip microcomputer system sends a card searching command to the RFID reader-writer every 150ms, and simultaneously stores the received new identity ID number in a single chip microcomputer data memory; and 4, step 4: the client sends an ID number reading command to a single chip microcomputer system of the check-in equipment through a Bluetooth module every 500 ms; and 5: after receiving the ID number reading command, the single chip microcomputer system sends all the ID numbers in the data storage to the client; step 6: after receiving the ID number, the client searches the local database and synchronously displays the related information of the personnel name, the photo and the representative area. According to the invention, the single chip microcomputer system is added into the check-in equipment, so that the speed of sending the card searching command to the RFID reader-writer is increased, the delay influence of a client is reduced, and the real-time performance of electronic check-in is improved.
Description
Technical Field
The invention relates to the technical field related to conference check-in equipment, in particular to a method for improving the real-time performance of electronic check-in.
Background
With the development of intelligent science and technology in the information industry, the check-in system is used as an important link of conference management, and the real-time performance of the check-in system is improved to be the general trend of conference management. At present, the conference mostly adopts a RFID-based barrier-free conference sign-in system, the defect of the traditional manual sign-in mode is changed, participants only need to carry an attendance card (RFID card) to walk through a conference sign-in passage to complete the sign-in, and workers can timely count the list of the participants, so that the conference sign-in accuracy and efficiency are ensured.
Although the RFID-based barrier-free conference check-in system can effectively shorten the check-in time of participants and reduce the statistical workload of workers, the real-time problem of electronic check-in is more and more concerned.
In the existing check-in equipment, when a plurality of participants check in at the same time, a check-in computer may cause data delay due to other application operations such as database query, picture display and the like, and cannot acquire an identity ID number in real time, so that certain data delay is generated. When many people check in at the same time, the data delay is more obvious, so that people need to queue for waiting for a long time when checking in.
Disclosure of Invention
The invention provides a method for improving the real-time performance of electronic sign-in, wherein a single chip microcomputer system is added in each sign-in device to improve the speed of sending a card searching command to an RFID reader-writer, play a role of data buffering, reduce the data delay influence of a client caused by other application operations, improve the real-time performance of electronic sign-in and accelerate the sign-in speed; the check-in time can be effectively reduced, and the phenomenon that the check-in personnel queue up is avoided; the technical problem can be effectively solved.
The invention is realized by the following technical scheme:
a method for improving the real-time performance of electronic check-in mainly adopts a special C/S structure on an electronic check-in system, and improves the real-time performance of electronic check-in through a data buffering mode; the system comprises RFID cards worn on the bodies of participants, a plurality of check-in devices installed on check-in occasions, a RFID reader-writer, a single chip microcomputer system, a battery module, a Bluetooth module, a client computer in wireless connection with the check-in devices and a server connected with the client computer through a network, wherein each check-in device is provided with the RFID reader-writer, the single chip microcomputer system, the battery module and the Bluetooth module; the specific check-in steps include:
step 1: the participants carry RFID cards to pass through a personnel passage in the check-in equipment;
step 2: an RFID reader-writer on the check-in equipment analyzes an RFID card to obtain an identity ID number;
and 3, step 3: the single chip microcomputer system on the check-in equipment sends a card searching command to the RFID reader-writer every 150ms, and simultaneously stores the received new identity ID number in a data memory of the single chip microcomputer system;
and 4, step 4: the client sends an ID number reading command to a single chip microcomputer system of the check-in equipment through a Bluetooth module every 500 ms;
and 5: after receiving the ID number reading command, the single chip microcomputer system sends all the ID numbers in the data storage to the client;
step 6: after receiving the ID number, the client searches the local database and synchronously displays the related information of the personnel name, the photo and the representative area; and marking the newly entered person in a local database, and sending the ID number of the newly entered person to a server through Ethernet.
In the above steps, the single chip microcomputer system sends a card searching command to the RFID reader/writer every 150ms through the UART1 serial port, and stores the received new ID number in the single chip microcomputer data memory. When the single chip microcomputer system receives an ID number reading command sent by the client through the Bluetooth module, the single chip microcomputer system sends all the ID numbers in the data storage to the client. And after the client receives the ID number, searching the local database, and synchronously displaying information such as the name, the photo, the representative area and the like of the person. And simultaneously, marking the newly-entered personnel in a local database, and sending the ID number of the newly-entered personnel to the server through the Ethernet. According to the method, the speed of sending the card searching command to the RFID reader-writer is increased by adding the single chip microcomputer system, a data buffering effect is achieved, the data delay influence of other application operations of a client is reduced, and the real-time performance of electronic sign-in is improved.
And the check-in equipment adopts a special C/S structure, and each check-in equipment is provided with an independent database system for storing the ID number, name, photo and representative area of the check-in personnel. The database adopting the structure has the advantages that multiple machines work simultaneously without mutual influence, one machine is halted, other machines work normally, and the reliability of the check-in system is further improved.
When the representative table is signed, the basic information of the representative table is obtained from the local database of the sign-in equipment, the equipment only needs to transmit the ID number to the server for data updating, and a large amount of data transmission with the server is not needed, so that the real-time performance of electronic sign-in is improved.
Furthermore, in a data memory of the single chip microcomputer system, each identity ID number is not repeated; the single chip microcomputer system in the step 3 sends a card searching command to the RFID reader-writer every 150ms, and because the sending period is short, when the obtained check-in data is repeated, the data cannot be stored in the data storage again.
Furthermore, the data storage in the single chip microcomputer system can store 5 ID numbers, and after the single chip microcomputer system receives an ID number reading command sent by the client, the single chip microcomputer system performs data transmission, and corresponding data in the data storage is automatically cleared.
Further, the client sends an ID number reading command to the single chip microcomputer system through the Bluetooth module every 500ms, and the client performs related application operations such as database query, picture display and the like in a time interval of sending the ID number reading command.
Furthermore, the special C/S structure is that an independent database system is arranged on each check-in device and is used for storing the ID number, name, photo and representative area of the check-in personnel; the real-time performance of electronic check-in is further improved by accelerating the response speed of acquiring the information of the check-in personnel.
Further, the client sets the display default time of the sign-in information to be 3s, and the lowest display time to be 0.3 s; when multiple persons rapidly check in at the same time, each check-in information display at least meets the requirement of the lowest display time, and after the time requirement is met, the client automatically replaces and displays new check-in person information; when the sign-in passage only has one person, the sign-in person information display time is 3 s; when the sign-in passage passes through two persons continuously, the former information displays 0.3s, and the latter information displays 3 s; the client controls the display time of the check-in information in a timer mode, the condition that a user needs to wait for check-in is avoided, and the real-time performance of electronic check-in is improved from the perspective of the user.
Furthermore, the bluetooth module is used for wireless data transmission, and this module includes bluetooth slave module and bluetooth host computer module, and bluetooth slave module is connected with single chip microcomputer system, and bluetooth host computer module is connected with the client.
Furthermore, the battery module adopts a 12V lithium battery pack and mainly supplies power for the RFID reader-writer, the single-chip microcomputer system and the Bluetooth slave module.
Advantageous effects
Compared with the prior art, the method for improving the real-time performance of electronic sign-in provided by the invention has the following beneficial effects:
(1) according to the technical scheme, a single chip microcomputer system is added into each signing device to improve the speed of sending a card searching command to an RFID reader-writer, so that the data buffering effect is achieved; the data delay influence of other application operations of the client is reduced, the real-time performance of electronic check-in is improved, and the check-in speed is accelerated; the time of registering can be effectually reduced, the phenomenon of personnel's formation of a long queue of registering is avoided.
(2) Compared with the prior art, the speed of sending the card searching command to the RFID reader-writer is increased by 3 times, the sign-in data can be obtained in real time, and the whole electronic sign-in process is accelerated.
(3) The technical scheme adopts a special C/S structure, and compared with the traditional C/S structure, the difference is that each check-in device is provided with an independent database system. When the representative table is signed, the basic information of the representative table is obtained from the local database of the sign-in equipment, and the equipment only needs to transmit the ID number to the server for data updating and does not need to transmit a large amount of data with the server. The above arrangement speeds up the response speed of obtaining the representative information and reduces the transmission quantity of the data on the network, thereby effectively improving the real-time performance of electronic sign-in.
(4) According to the technical scheme, when multiple persons rapidly sign in at the same time, each sign-in information display at least meets the requirement of the lowest display time, and after the time requirement is met, the client automatically replaces and displays new sign-in personnel information. The method utilizes the timer to control the display time of the sign-in information, avoids the situation that the user needs to wait for the sign-in, and improves the real-time performance of the electronic sign-in from the perspective of the user.
(5) This technical scheme adopts bluetooth module wireless transmission data, compares with prior art, has reduced the communication cable that is connected between RFID read write line and the client. In addition, the RFID reader-writer adopts a battery for power supply, so that connecting cables of power lines are reduced. The reduction of cables makes the comprehensive wiring of the meeting place simpler, more adapts to the temporary change of the layout of the meeting place, and makes the whole sign-in meeting place simple and beautiful.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention.
Fig. 2 is a schematic diagram of the overall architecture of the present invention.
Fig. 3 is a schematic diagram of the connection of the respective devices in the present invention.
FIG. 4 is a graph comparing check-in efficiency for different transmission cycles according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
a method for improving the real-time performance of electronic check-in mainly adopts a special C/S structure on an electronic check-in system and improves the real-time performance of electronic check-in by a data buffering mode.
As shown in fig. 2, the system comprises an RFID card worn on a participant, a plurality of check-in devices installed on the check-in occasions, each of the check-in devices is provided with an RFID reader-writer, a single chip system, a battery module, a bluetooth module, a client connected with the check-in devices in a wireless manner, and a server connected with the client through a network.
As shown in fig. 1, the specific check-in step includes:
step 1: the participants carry RFID cards to pass through a personnel passage in the check-in equipment;
step 2: an RFID reader-writer on the check-in equipment analyzes an RFID card to obtain an identity ID number;
the check-in equipment adopts a special C/S structure, and each check-in equipment is provided with an independent database system for storing the ID number, name, photo and representative area of the check-in personnel.
And step 3: the single chip microcomputer system on the check-in equipment sends a card searching command to the RFID reader-writer every 150ms, and simultaneously stores the received new identity ID number in a data memory of the single chip microcomputer system;
because the single chip microcomputer system sends the card searching command to the RFID reader-writer once every 150ms, the sending period is short, and when the obtained check-in data is repeated, the data cannot be stored in the data storage again; therefore, each identity ID number in the data memory of the single chip microcomputer system is not repeated.
And 4, step 4: the client sends an ID number reading command to a single chip microcomputer system of the check-in equipment through a Bluetooth module every 500 ms;
the client sends an ID number reading command to the single chip microcomputer system once through the Bluetooth module every 500ms, and the client performs related application operations of database query and picture display within a time interval of sending the ID number reading command.
And 5: after receiving the ID number reading command, the single chip microcomputer system sends all the ID numbers in the data storage to the client;
the data memory in the single chip microcomputer system can store 5 ID numbers, and when the single chip microcomputer system receives an ID number reading command sent by a client, the single chip microcomputer system carries out data transmission, and corresponding data in the data memory are automatically cleared.
Step 6: after receiving the ID number, the client searches the local database and synchronously displays the related information of the personnel name, the photo and the representative area; marking newly entered personnel in a local database, and sending the ID number of the newly entered personnel to a server through Ethernet;
the client sets the default time of sign-in information display to be 3s, and the minimum display time to be 0.3 s; when multiple persons rapidly check in at the same time, each check-in information display at least meets the requirement of the lowest display time, and after the time requirement is met, the client automatically replaces and displays new check-in person information; when the sign-in passage only has one person, the sign-in person information display time is 3 s; when the sign-in passage passes through two persons continuously, the former information displays 0.3s, and the latter information displays 3 s; the client controls the display time of the check-in information in a timer mode, the condition that a user needs to wait for check-in is avoided, and the real-time performance of electronic check-in is improved from the perspective of the user.
In the above steps, the single chip microcomputer system sends a card searching command to the RFID reader/writer every 150ms through the UART1 serial port, and stores the received new ID number in the single chip microcomputer data memory. When the single chip microcomputer system receives an ID number reading command sent by the client through the Bluetooth module, the single chip microcomputer system sends all the ID numbers in the data storage to the client. And after the client receives the ID number, searching the local database, and synchronously displaying information such as the name, the photo, the representative area and the like of the person. And simultaneously, marking the newly-entered personnel in a local database, and sending the ID number of the newly-entered personnel to the server through the Ethernet. According to the method, the speed of sending the card searching command to the RFID reader-writer is increased by adding the single chip microcomputer system, a data buffering effect is achieved, the data delay influence of other application operations of a client is reduced, and the real-time performance of electronic sign-in is improved.
When the representative table is signed, the basic information of the representative table is obtained from the local database of the sign-in equipment, the equipment only needs to transmit the ID number to the server for data updating, and a large amount of data transmission with the server is not needed, so that the real-time performance of electronic sign-in is improved.
The special C/S structure is that an independent database system is arranged on each check-in device and is used for storing the ID number, name, photo and representative area of the check-in personnel; the real-time performance of electronic check-in is further improved by accelerating the response speed of acquiring the information of the check-in personnel.
The Bluetooth module is used for wirelessly transmitting data and comprises a Bluetooth slave module and a Bluetooth host module, the Bluetooth slave module is connected with the single chip microcomputer system, and the Bluetooth host module is connected with the client.
The battery module adopts a 12V lithium battery pack and mainly supplies power for the RFID reader-writer, the single chip microcomputer system and the Bluetooth slave module.
In this embodiment, as shown in fig. 3, the figure describes specific parameters of the selected device in this embodiment. The tag chip of the RFID card uses the 15693 protocol. The RFID reader adopts RD 5100. The charging module adopts a 12V lithium battery pack. The singlechip system adopts STC15W4K58S4, and an MAX232 chip is adopted for level conversion when the singlechip system is communicated with the equipment. The Bluetooth module adopts HC-08.
In the method, the single chip microcomputer system sends a card searching command '0507 FF 001006A 50' to the RFID reader-writer every 150ms through the UART1 serial port, and simultaneously stores the received new identity ID number in the single chip microcomputer data memory. When the single chip microcomputer system receives an ID number reading command sent by the client through the Bluetooth module, the single chip microcomputer system sends all the ID numbers in the data storage to the client. And after the client receives the ID number, searching the local database, and synchronously displaying information such as the name, the photo, the representative area and the like of the person. And simultaneously marking the newly entered personnel in a local database, and sending the ID number of the newly entered personnel to the server through the Ethernet.
In addition, the method adopts a special C/S structure, and each check-in device is provided with an independent database system for storing the ID number, name, photo and representative area of the check-in personnel. When the representative table is signed, the basic information of the representative table is obtained from the local database of the sign-in equipment, and the equipment only needs to transmit the ID number to the server for data updating and does not need to transmit a large amount of data with the server.
As shown in fig. 4, the graph is a comparison graph of check-in efficiency of the present embodiment using different transmission cycles. When the card searching command sending periods are respectively 500ms, 300ms, 200ms and 150ms, the accuracy rate of the single chip microcomputer system for receiving data reaches 100%. When the sending period is 100ms, the accuracy rate is reduced to 73.6%. When the sending period is 50ms, the accuracy rate is reduced to 42.3%. The experimental data tests show that the sending period of 150ms is the best choice. Therefore, the sending period of 150ms is selected in the method, so that the check-in accuracy is ensured, and the real-time performance of electronic check-in is improved.
Thus, it was concluded that: the embodiment adopts a special C/S structure, and improves the response speed of acquiring the representative information. The single chip microcomputer system is added to play a data buffering role, so that the speed of sending a card searching command to the RFID reader-writer is increased, the data delay influence caused by other application operations of a client during check-in is reduced, the check-in data can be acquired in real time, and the real-time performance of electronic check-in is improved.
Claims (8)
1. A method for improving the real-time performance of electronic check-in mainly adopts a special C/S structure on an electronic check-in system, and improves the real-time performance of electronic check-in through a data buffering mode; the system is characterized by comprising RFID cards worn by participants, a plurality of check-in devices installed on check-in occasions, a RFID reader-writer, a single chip microcomputer system, a battery module, a Bluetooth module, a client in wireless connection with the check-in devices and a server connected with the client through a network, wherein each check-in device is provided with the RFID reader-writer, the single chip microcomputer system, the battery module and the Bluetooth module; the specific check-in steps include:
step 1: the participants carry RFID cards to pass through a personnel passage in the check-in equipment;
step 2: an RFID reader-writer on the check-in equipment analyzes an RFID card to obtain an identity ID number;
and step 3: the single chip microcomputer system on the check-in equipment sends a card searching command to the RFID reader-writer every 150ms, and simultaneously stores the received new identity ID number in a data memory of the single chip microcomputer system;
and 4, step 4: the client sends an ID number reading command to a single chip microcomputer system of the check-in equipment through a Bluetooth module every 500 ms;
and 5: after receiving the ID number reading command, the single chip microcomputer system sends all the ID numbers in the data storage to the client;
step 6: after receiving the ID number, the client searches the local database and synchronously displays the related information of the personnel name, the photo and the representative area; and marks the newly entered person in the local database, and sends the ID number of the newly entered person to the server through the Ethernet.
2. The method of claim 1, wherein the method comprises the steps of: in a data memory of the single chip microcomputer system, each identity ID number is not repeated; the single chip microcomputer system in the step 3 sends a card searching command to the RFID reader-writer every 150ms, and because the sending period is short, when the obtained check-in data is repeated, the data cannot be stored in the data storage again.
3. The method of claim 1, wherein the method comprises the steps of: the data memory in the single chip microcomputer system can store 5 ID numbers, and when the single chip microcomputer system receives an ID number reading command sent by a client, the single chip microcomputer system carries out data transmission, and corresponding data in the data memory are automatically cleared.
4. The method of claim 1, wherein the method comprises the steps of: the client sends an ID number reading command to the single chip microcomputer system through the Bluetooth module every 500ms, and the client performs related application operations of database query and picture display within a time interval of sending the ID number reading command.
5. The method of claim 1, wherein the method comprises the steps of: the special C/S structure is that an independent database system is arranged on each check-in device and is used for storing the ID number, name, photo and representative area of the check-in personnel; the real-time performance of electronic sign-in is further improved by accelerating the response speed of acquiring the information of sign-in personnel.
6. The method of claim 1, wherein the method comprises the steps of: the client sets the default display time of the sign-in information to be 3s, and the lowest display time to be 0.3 s; when multiple persons rapidly check in at the same time, each check-in information display at least meets the requirement of the lowest display time, and after the time requirement is met, the client automatically replaces and displays new check-in person information; when the sign-in passage only has one person, the sign-in person information display time is 3 s; when the sign-in passage passes through two persons continuously, the former information displays 0.3s, and the latter information displays 3 s; the client controls the display time of the check-in information in a timer mode, the condition that a user needs to wait for check-in is avoided, and the real-time performance of electronic check-in is improved from the perspective of the user.
7. The method of claim 1, wherein the method comprises the steps of: the Bluetooth module is used for wirelessly transmitting data and comprises a Bluetooth slave module and a Bluetooth host module, the Bluetooth slave module is connected with the single chip microcomputer system, and the Bluetooth host module is connected with the client.
8. The method of claim 1, wherein the method comprises the steps of: the battery module adopts a 12V lithium battery pack and mainly supplies power for the RFID reader-writer, the single chip microcomputer system and the Bluetooth slave module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210718607.8A CN114882608A (en) | 2022-06-23 | 2022-06-23 | Method for improving real-time performance of electronic sign-in |
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| CN202210718607.8A CN114882608A (en) | 2022-06-23 | 2022-06-23 | Method for improving real-time performance of electronic sign-in |
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| CN114882608A true CN114882608A (en) | 2022-08-09 |
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| CN103345780A (en) * | 2013-06-17 | 2013-10-09 | 华中农业大学 | One-card conference sign-in terminal |
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| CN110796387A (en) * | 2019-11-07 | 2020-02-14 | 广州东芯智能科技有限公司 | Check-in management system |
| CN112233265A (en) * | 2020-09-29 | 2021-01-15 | 深圳思为科技有限公司 | Electronic sign-in method and related device |
| WO2021179706A1 (en) * | 2020-03-13 | 2021-09-16 | 平安科技（深圳）有限公司 | Meeting check-in method and system, computer device, and computer readable storage medium |
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| CN103345780A (en) * | 2013-06-17 | 2013-10-09 | 华中农业大学 | One-card conference sign-in terminal |
| CN206258936U (en) * | 2016-10-13 | 2017-06-16 | 创意众合科技（天津）有限公司 | A kind of C++Builder language |
| CN110796387A (en) * | 2019-11-07 | 2020-02-14 | 广州东芯智能科技有限公司 | Check-in management system |
| WO2021179706A1 (en) * | 2020-03-13 | 2021-09-16 | 平安科技（深圳）有限公司 | Meeting check-in method and system, computer device, and computer readable storage medium |
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