CN110708378A - Student attendance system based on WiFi probe - Google Patents

Student attendance system based on WiFi probe Download PDF

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Publication number
CN110708378A
CN110708378A CN201910950384.6A CN201910950384A CN110708378A CN 110708378 A CN110708378 A CN 110708378A CN 201910950384 A CN201910950384 A CN 201910950384A CN 110708378 A CN110708378 A CN 110708378A
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student
information
classroom
attendance
students
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陈冠名
陈昊杰
陈俊宇
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Xi'an Guan Ming Polytron Technologies Inc
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Xi'an Guan Ming Polytron Technologies Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10Services
    • G06Q50/20Education
    • G06Q50/205Education administration or guidance
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/52Network services specially adapted for the location of the user terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/025Services making use of location information using location based information parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12Messaging; Mailboxes; Announcements
    • H04W4/14Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00Indexing scheme associated with group H04L61/00
    • H04L2101/60Types of network addresses
    • H04L2101/618Details of network addresses
    • H04L2101/622Layer-2 addresses, e.g. medium access control [MAC] addresses

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Educational Technology (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Educational Administration (AREA)
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  • Economics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Medical Informatics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a student attendance system based on a WiFi probe, which is characterized by comprising a student information database, a classroom WiFi probe, a dormitory WiFi probe, a data processor, a short message platform and an administrator terminal, wherein the student information database is used for storing student attendance information; the probes located in the classroom begin to actively detect the MAC addresses of the mobile phones of the students in the classroom, then the MAC addresses are compared with a corresponding list of students who should go out of the classroom at a detection time point in a student information database, the list of the students who lack the attendance is automatically screened out, the students who lack the attendance are automatically notified to inquire the reason of the absence of the attendance through a short message platform, and meanwhile, corresponding reason feedback is recorded. And meanwhile, the list of the absent staff is presented to the teacher in the classroom through the administrator terminal. The short message platform can inform the students of the course information in advance. This system of attendance possesses and to discern the number of people of attendance fast and accurately to can initiatively communicate with the personnel of not attendance and confirm the condition of absenteeing from duty, still have the beneficial effect of reminding the function in advance simultaneously.

Description

Student attendance system based on WiFi probe
Technical Field
The invention relates to a campus management system, in particular to a student attendance system based on a WiFi probe.
Background
At present, the management aspect of student attendance is always a problem that schools attach importance, and particularly in large-scale colleges and universities with open management, because the classroom in which students take classes is not fixed, a plurality of classes often appear to take classes together, and meanwhile, the students move freely in the school, so that teachers are difficult to ensure that students have attendance according to regulations in classrooms and dormitories. To address this problem, the most traditional method is that a teacher calls the roll, i.e. before each class begins, the teacher or student first calls the roll to the staff roster one by one, which is obviously inefficient, and when a large class is in class, i.e. multiple classes are in class together, there is no time to call the roll at all. Therefore, teachers can only change random spot check, and do not roll over all students one by one. This way of spot-checking is risky, and there is a possibility that no one is spot-checked and not found by the teacher. In order to solve the above problems, along with the development of science and technology, a detection device based on a student SIM mobile phone card has been invented, that is, the location and track information of the student mobile phone card is read by combining a communication base station to determine the position of the student. However, the accuracy of the method is too low, because the number of base stations of a school is limited, the acquired position information is not very accurate, and only whether the student is in the school range can be roughly determined, and whether the student is in a classroom cannot be more accurately determined. Therefore, aiming at the attendance management of students in colleges and universities, the problem that the students are headache at present is still solved.
With the further development of society, the current students, especially the students in colleges and universities, are basically hands of one smart phone, the coverage area of a wireless router is larger and larger, various technologies and applications based on the WiFi probes begin to be started, and the WiFi probes can acquire original user data such as network card MAC addresses, signal intensity, timestamps, geographic positions of the WiFi probes and the like of terminals in a monitoring area, so if the data are used scientifically and reasonably, the data can bring innovation and convenience in management to many fields.
Taking campus management as an example, the inventor of the present patent application has searched for a new name: the invention discloses a campus user data processing method based on WiFi, a server and a monitoring system (application number: 201510125846). The patent application indicates that information such as campus people flow condition, school door entrance and exit condition, campus consumption capacity condition and the like can be obtained through WiFi monitoring. However, as for the specific attendance management, no effective attendance management method for each classroom has been proposed. The inventor of the present patent also does not find out that there are other patents or documents disclosing how to use WiFi probe technology to solve the student attendance management problem.
Furthermore, the inventor finds that the attendance system in the prior art ignores the function of reminding in advance, and the late arrival and absenteeism of many classmates are caused by forgetting course arrangement or misclassifying the classroom rather than really not wanting to go to class. If the students are reminded in advance during the attendance check, the students are more warm.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent student attendance system based on a WiFi probe, which can quickly and accurately identify the number of people on attendance, can actively communicate with people not on attendance to confirm the absence condition and has a function of reminding in advance.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a student attendance system based on WiFi probes comprises a student information database, a classroom WiFi probe, a dormitory WiFi probe, a data processor, a short message platform and an administrator terminal, wherein information exchange is carried out among the devices through the Internet;
the system comprises a network cloud server or a school server, a student information database and a database, wherein the network cloud server or the school server is used for storing names, mobile phone numbers, MAC addresses and class information corresponding to mobile phones of all students, a course schedule of each class of the school every day and corresponding classroom information, and other equipment in the system calls data, updates and writes new data;
the classroom WiFi probe is used for detecting MAC address information, signal intensity information and connection time information of WiFi equipment in each classroom and transmitting the information to the data processor for processing;
the dormitory WiFi probes are respectively installed in each dormitory and used for collecting MAC address information and connection time information corresponding to each student smart phone in each dormitory; writing the acquired data into a student information database;
the data processor takes a computer as a platform and is used for calling course information of time points corresponding to different classrooms from a student information database, further calling a mobile phone MAC address list corresponding to students who should attend the work in a corresponding class according to the course information, comparing the obtained list with information of field MAC addresses collected by WiFi classroom probes arranged in the classrooms, listing out names of students corresponding to absent mobile phone MAC addresses, and then sending the list to an administrator terminal and a short message platform;
the short message platform is used for sending inquiry information to the mobile phone numbers of the students in the list transmitted by the data processor and returning the reason of absence returned by the absent students, and meanwhile, the short message platform is also used for sending course information of the day to each student in advance;
and the administrator terminal is used for displaying the list information of the absent students to the teacher and writing and updating data to the student information database through the data processor.
As an improvement, the system also comprises an AI platform which is used for analyzing the attendance record, the reason of absence and seat habits of each student in a classroom so as to predict the attendance condition of the corresponding student and automatically generate an attendance report of each student.
As an improvement, the system also comprises a supplementary WiFi probe which is respectively arranged at the position with safety risk in a school and the position of a traffic node, including a roof, a pond side, an intersection and a school gate, and is used for monitoring mobile phone MAC address information at the positions and feeding back the information to a data processor.
As an improvement, the short message platform comprises a mobile phone short message platform and a micro message public number platform.
As an improvement, the classroom WiFi probe is fixedly installed in each classroom or is placed in a teacher office in a mobile device mode for teachers in classes to select.
As an improvement, the classroom WiFi probe and the administrator terminal are of an integrated structure.
After adopting the structure, the invention has the following beneficial effects: the invention creatively utilizes the WiFi probe, the student database, the short message platform, the data processor and the like to combine, the probe for installing the student dormitories can firstly collect the mobile phone MAC address of the student in each dormitory, then the student dormitory manager or dormitory manager simply confirms the mobile phone MAC address, the name of each student corresponds to the mobile phone MAC address, and then the mobile phone MAC address is uploaded to the student information database, and meanwhile, the class information of the student, the daily curriculum schedule information of the school and the classroom information corresponding to each class are further imported from the management system of the school. In daily class, a probe in a classroom starts to actively detect the MAC addresses of mobile phones of students in the classroom, then compares the MAC addresses with a list of students who should go out of the classroom at a detection time point in a student information database, automatically screens out the list of students who lack of work, automatically informs the students who lack of work to inquire the reason of lack of work through a short message platform, and records corresponding reason feedback. And meanwhile, the list of the absent staff is presented to the teacher in the classroom through the administrator terminal. At present, students in colleges and universities are hands with one mobile phone, the habit that the mobile phone does not leave is formed, and the use of the mobile phone cannot be forbidden due to the open management style of the colleges and universities. Meanwhile, when people use the mobile phone, the WiFi function cannot be turned off intentionally, and even if a certain student has the habit, a teacher in class can also ask a student attending class to turn on the WiFi function of the mobile phone actively by giving out a requirement in a classroom so as to facilitate automatic statistics of the system. In the whole attendance checking process, a teacher does not need to roll the roll call, and students do not need to actively swipe the card or according to fingerprints and the like, and the whole attendance checking process is automatically processed by the system, so that the processing is quick and accurate. Furthermore, the course information can be notified to students in advance through a short message platform, so that the management is more humanized.
As an improvement item, an AI platform is added to the system, daily data can be automatically analyzed to predict student behaviors, attendance reports of each student can be generated regularly, teachers are sent to the students to be used for learning summary and evaluation, especially, the design of a supplementary WiFi probe is further combined, the supplementary WiFi probe can be set for some accident-prone positions of a school, such as the positions of a roof, a pond and the like, when the system detects that the times of certain students appearing at the positions reach a certain value, such as three times, and meanwhile, attendance records of the students also have problems, the teacher of the school can be reminded to perform appropriate mental health intervention, and the students are prevented from performing exciting behaviors such as rest. The supplementary WiFi probe is arranged at the position of the traffic node, so that the track information of the student can be further acquired, and the safety management of the student is facilitated.
The short message platform comprises a mobile phone short message platform and a WeChat public number platform, communication channels between the short message platform and students are further enriched, at present, WeChat is popularized, people are more used to communicate with WeChat, and the public number platform can also regularly play some mini games with rewards for continuous card punching so as to encourage students to study actively, increase the interest of attendance checking and avoid the students from generating conflicting emotions.
Classroom wiFi probe and administrator terminal formula structure as an organic whole, the cost in the aspect of this design can further reduce the hardware, integrates both on a panel computer, and it is also more convenient to use.
Drawings
Fig. 1 is a corresponding block diagram of an embodiment of a student attendance system based on a WiFi probe in the present invention.
Fig. 2 is a corresponding block diagram of an embodiment of the student attendance system based on the WiFi probe in the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
With reference to the attached drawing 1, a student attendance system based on WiFi probes comprises a student information database, classroom WiFi probes, dormitory WiFi probes, a data processor, a short message platform and an administrator terminal, wherein information exchange is performed among the devices through the Internet; the system comprises a network cloud server, a school server, a class information database, a class schedule database and a database, wherein the student information database is established in the network cloud server or the school server and is used for storing names, mobile phone numbers, MAC addresses and class information corresponding to mobile phones of all students, the class schedule of each class of the school every day and corresponding classroom information, and other equipment in the system can call data and update and write new data; the classroom WiFi probe is used for detecting MAC address information, signal intensity information and connection time information of WiFi equipment in each classroom and transmitting the information to the data processor for processing; the dormitory WiFi probes are respectively installed in each dormitory and used for collecting MAC address information and connection time information corresponding to each student smart phone in each dormitory; writing the acquired data into a student information database; the data processor takes a computer as a platform and is used for calling course information of time points corresponding to different classrooms from a student information database, further calling a mobile phone MAC address list corresponding to students who should attend the work in a corresponding class according to the course information, comparing the obtained list with field MAC address information collected by WiFi probes arranged in the classrooms, listing out names of students corresponding to absent mobile phone MAC addresses, and sending the list to an administrator terminal and a short message platform; the short message platform is used for sending inquiry information to the mobile phone numbers of the students in the list transmitted by the data processor and returning the reason of absence returned by the absent students, and meanwhile, the short message platform is also used for sending course information of the day to each student in advance; the administrator terminal is used for displaying the list information of the students absent from the office to the teacher and writing and updating data to the student information database through the data processor.
As an improvement, the system also comprises an AI platform which is used for analyzing the attendance record, the reason of absence and seat habits of each student in a classroom so as to predict the attendance condition of the corresponding student and automatically generate an attendance report of each student.
As an improvement, the short message platform comprises a mobile phone short message platform and a micro message public number platform.
As an improvement, the classroom WiFi probe is fixedly installed in each classroom or is placed in a teacher office in a mobile device mode for teachers in classes to select.
As an improvement, the classroom WiFi probe and the administrator terminal are of an integrated structure.
Example two
With reference to fig. 2, that is, a supplementary WiFi probe is added on the basis of the first embodiment, and is respectively installed at locations with safety risks in schools, including the roof and the side of the pond, for monitoring mobile phone MAC address information at these locations and feeding back to the data processor, and other structures are the same as the first embodiment.
When the system based on the structure is implemented specifically, the hardware is supported by mature hardware, the hardware of the database and the hardware of the data processor can be realized by high-performance computers, and the database preferably adopts a network cloud server, such as an Ali cloud server. WiFi probe equipment also has the part of selling at present, and probe equipment also can directly adopt intelligent router, provides internet service for the student when collecting data, and the router is managed by unified administrator, can discern the connection time of every intelligent device who connects the user's MAC address. Regarding the short message platform, a mature third-party service platform is also available in the market, and the short message platform only needs to transmit the list of the information receiver and the information content to the platform. Regarding the problem of acquiring data in the student information database, in general, there are student rosters in a school, corresponding to basic information such as mobile phone numbers of students and class information of the students, but there is no information about the corresponding relationship between the mobile phone numbers of the students and the mobile phone MAC addresses, and at this time, the information needs to be collected in various ways, including collecting by a dormitory, reporting the MAC address information corresponding to the mobile phone of each dormitory member to a class manager, and then reporting to a school management department, or directly reporting to students by taking the class as a unit, reporting the MAC address corresponding to their own device, and importing the information into the student information database after the school management department collects the information. After the corresponding relation between the mobile phone number and the MAC address of each student exists, the WiFi probes of each classroom are numbered firstly when attendance is checked in the classroom, in the attendance checking state, the teacher can manually turn on the classroom WiFi probes, or the data processor can automatically turn on the probe equipment in each classroom with the curriculum arrangement according to the curriculum arrangement, when the probe detects the MAC address information of the current classroom, the MAC address information is transmitted to the data processor, the data processor calls the information prestored in the student information database to compare, and then the absent students can be screened out, at the moment, if the WiFi probe of the classroom detects the MAC address information of the students in next classrooms, the MAC address information can be directly screened out through the class directory in the student information database, in addition, to prevent leaving among students, the classroom WiFi probe can be controlled by the data processor to perform detection every 15 minutes. If the student does not turn on the WiFi mobile phone in the classroom during detection, the teacher can directly remind the student, and under the general condition, the student can form a habit after the system runs for several times. There is also a case where the a student is not in the classroom, but the B student is given a mobile phone to bring him to the classroom. For the situation, the AI platform can be used for prejudging, and the prejudging method comprises the following steps: when the platform finds that two devices are from a student dormitory to a school traffic node, the probes which are synchronously connected with each detection point are always in a classroom, and simultaneously disappear synchronously, the risk that two or more devices are controlled by the same person is judged in advance, at the moment, the student lists corresponding to the devices are marked, and then a teacher in class is reminded to further identify through an administrator terminal, namely, the devices are identified in a roll calling mode. Based on the existing high dependence of student mobile phones on mobile phones, the mobile phones cannot be easily given to others. In addition, in case that one student has two mobile phones, the student can also check the two mobile phones and record the MAC address information of the student into the information database after detecting the fact that the student has two mobile phones through the WiFi probe in the dormitory, and when the probe device detects that the two devices are separated, it indicates that the student is possibly absent from work. With respect to the software portion of the system, those skilled in the art can implement it in various programming languages according to the description of the present patent application, and there is no technical barrier and detailed description since the patent does not protect the software code.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A student attendance system based on WiFi probes is characterized by comprising a student information database, classroom WiFi probes, dormitory WiFi probes, a data processor, a short message platform and an administrator terminal, wherein information exchange is carried out among the devices through the Internet;
the system comprises a network cloud server or a school server, a student information database and a database, wherein the network cloud server or the school server is used for storing names, mobile phone numbers, MAC addresses and class information corresponding to mobile phones of all students, a course schedule of each class of the school every day and corresponding classroom information, and other equipment in the system calls data, updates and writes new data;
the classroom WiFi probe is used for detecting MAC address information, signal intensity information and connection time information of WiFi equipment in each classroom and transmitting the information to the data processor for processing;
the dormitory WiFi probes are respectively installed in each dormitory and used for collecting MAC address information and connection time information corresponding to each student smart phone in each dormitory; writing the acquired data into a student information database;
the data processor takes a computer as a platform and is used for calling course information of time points corresponding to different classrooms from a student information database, further calling a mobile phone MAC address list corresponding to students who should attend the work in a corresponding class according to the course information, comparing the obtained list with information of field MAC addresses collected by WiFi classroom probes arranged in the classrooms, listing out names of students corresponding to absent mobile phone MAC addresses, and then sending the list to an administrator terminal and a short message platform;
the short message platform is used for sending inquiry information to the mobile phone numbers of the students in the list transmitted by the data processor and returning the reason of absence returned by the absent students, and meanwhile, the short message platform is also used for sending course information of the day to each student in advance;
and the administrator terminal is used for displaying the list information of the absent students to the teacher and writing and updating data to the student information database through the data processor.
2. The WiFi probe based student attendance system according to claim 1 wherein: the system also comprises an AI platform which is used for analyzing the attendance record, the reason of absence and the seat habits of each student in a classroom so as to predict the attendance condition of the corresponding student and automatically generate the attendance report of each student.
3. The WiFi probe based student attendance system according to claim 1 wherein: the system also comprises a supplementary WiFi probe which is respectively arranged at the position with safety risk in the school and the position of a traffic node, comprises a roof, a pond side, an intersection and a school gate, and is used for monitoring mobile phone MAC address information at the positions and feeding back the information to the data processor.
4. The WiFi probe based student attendance system according to claim 1 wherein: the short message platform comprises a mobile phone short message platform and a micro message public number platform.
5. The WiFi probe based student attendance system according to claim 1 wherein: the classroom WiFi probe is fixedly arranged in each classroom or placed in a teacher office in a mobile device mode for teachers in classes to select.
6. The WiFi probe based student attendance system according to claim 1 wherein: the classroom WiFi probe and the administrator terminal are of an integrated structure.
CN201910950384.6A 2019-10-08 2019-10-08 Student attendance system based on WiFi probe Withdrawn CN110708378A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111275844A (en) * 2020-03-18 2020-06-12 东莞理工学院 Programmable wireless routing-based real-time class attendance system and attendance method
CN112215973A (en) * 2020-09-21 2021-01-12 彭程 Data display method, multimedia platform and electronic equipment
CN112242076A (en) * 2020-10-16 2021-01-19 深圳市微校互联科技有限公司 Teaching interaction method and device and computer storage medium
CN112734963A (en) * 2020-12-25 2021-04-30 河南工业和信息化职业学院 Student attendance system based on cloud computing
CN113573296A (en) * 2021-07-23 2021-10-29 中信银行股份有限公司 Method, device, equipment and storage medium for detecting conference room state based on WIFI probe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111275844A (en) * 2020-03-18 2020-06-12 东莞理工学院 Programmable wireless routing-based real-time class attendance system and attendance method
CN111275844B (en) * 2020-03-18 2022-05-31 东莞理工学院 Classroom real-time attendance system and attendance method based on programmable wireless routing
CN112215973A (en) * 2020-09-21 2021-01-12 彭程 Data display method, multimedia platform and electronic equipment
CN112242076A (en) * 2020-10-16 2021-01-19 深圳市微校互联科技有限公司 Teaching interaction method and device and computer storage medium
CN112734963A (en) * 2020-12-25 2021-04-30 河南工业和信息化职业学院 Student attendance system based on cloud computing
CN113573296A (en) * 2021-07-23 2021-10-29 中信银行股份有限公司 Method, device, equipment and storage medium for detecting conference room state based on WIFI probe

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