CN107147993A - A kind of teaching based on bluetooth is registered and the addicted monitoring system of classroom mobile phone and method - Google Patents

A kind of teaching based on bluetooth is registered and the addicted monitoring system of classroom mobile phone and method Download PDF

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Publication number
CN107147993A
CN107147993A CN201710428675.XA CN201710428675A CN107147993A CN 107147993 A CN107147993 A CN 107147993A CN 201710428675 A CN201710428675 A CN 201710428675A CN 107147993 A CN107147993 A CN 107147993A
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client
student
teacher
bluetooth
registered
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CN201710428675.XA
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CN107147993B (en
Inventor
陈怡�
魏露露
成凯
高千婷
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Huazhong Normal University
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Huazhong Normal University
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/021Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • 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
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Human Computer Interaction (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Registered the invention discloses a kind of teaching based on bluetooth and the addicted monitoring system of classroom mobile phone and method, system is made up of bluetooth Beacon base stations, teacher's client, student client and server end;The present invention is placed on the bluetooth Beacon base stations periodic broadcast bluetooth Beacon messages in classroom, teacher's client receives bluetooth Beacon messages, parsing bluetooth Beacon messages and filling classroom authentication information are registered sign-out message to request, upload onto the server end processing, and be distributed to student client via server end downloading data;Student client receives bluetooth Beacon messages in restricted region, and parsing bluetooth Beacon messages and filling personal information to confirmation are registered sign-out message, are shown to teacher's client student information list through server end, are completed sign-out function of registering;Student client periodically uploads the bright time window of student client screen and counts to server end, completes student classroom surf time statistics, is shown to teacher's client.The present invention is economic, practical, convenient, can effectively carry out class management.

Description

A kind of teaching based on bluetooth is registered and the addicted monitoring system of classroom mobile phone and method
Technical field
It is more particularly to a kind of to be based on low-power consumption the invention belongs to Bluetooth Low Energy and Internet of Things wisdom lesson application field The teaching of bluetooth is registered and the addicted monitoring system of classroom mobile phone and method.
Technical background
Be late, leave early on student classroom in university, phenomenon of playing truant it is fairly common, in addition, with the popularization of mobile terminal, learning Mobile phone habituation phenomenon is played on raw classroom also than more serious, school work is caused to have a strong impact on, and classroom roll-call can be in certain journey Ensure teaching efficiency on degree.
There is time-consuming, the defect such as inconvenience in Traditional Man roll-call mode.At present, in the market have fingerprint check card register, camera The system such as face is registered and the teaching based on Wi-Fi is registered, with cost is high, operation inconvenience, early stage need collection certification letter Breath, the defect such as power consumption is big.
The content of the invention
In order to solve the above-mentioned technical problem, registered and classroom hand the invention provides a kind of teaching based on low-power consumption bluetooth The addicted monitoring system of machine and method.
The technical scheme that is used of system of the present invention is:A kind of teaching based on bluetooth is registered and the addicted prison of classroom mobile phone Examining system, it is characterised in that:It is made up of bluetooth Beacon base stations, teacher's client, student client and server end;
The bluetooth Beacon base stations periodic broadcast bluetooth Beacon messages in classroom are placed on, in bluetooth Beacon base stations In the range of communication broadcast, signal intensity is received according to bluetooth and indicated, teacher's client receives bluetooth Beacon messages, parsing is blue Tooth Beacon messages and filling classroom authentication information are registered sign-out message to request, and end of uploading onto the server is handled, and via Server end downloading data is distributed to student client;Student client receives bluetooth Beacon messages in restricted region, parsing Bluetooth Beacon messages and filling personal information are registered sign-out message to confirmation, through server end, are shown to teacher's client Student information list, completes sign-out function of registering;
Student client periodically uploads the bright time window quantity of student client screen to server end, and server end is completed Student classroom plays mobile phone time statistics, is shown to teacher's client.
The technical scheme that is used of method of the present invention is:A kind of teaching based on bluetooth is registered and the addicted prison of classroom mobile phone Survey method, it is characterised in that comprise the following steps:
Step 1:Bluetooth Beacon base stations periodically send broadcast singal, in broadcast singal comprising UUID data item and Measured Power data item;
Step 2:The teacher's client and student client received in bluetooth in the region that signal intensity is arrived at receives bluetooth Beacon base station broadcast signals, parsing UUID fields are registered sign-out authentication processing for next step;
Step 3:Teacher's client fills in course numbering, timestamp and command code, UUID, is sent to server end, services Student client response is distributed to after the caching UUID information of device end, wherein teacher's client UUID is buffered in server local, just Registered sign-out authentication processing in next step;The command code is that request is registered and command code or asks sign-out command code;
Step 4:Student client receives bluetooth Beacon base station broadcast signals, UUID is obtained from broadcast singal, simultaneously Receive server end to ask to register message or ask sign-out message, parse after course numbering, fill in student client UUID, class Journey numbering, student's student number and timestamp, are sent to server end, complete confirmation and register or sign-out operation;
Step 5:Server end verification student client is registered UUID and personal information and teacher in message or sign-out message The UUID and information of client-cache, complete student client and register or sign-out authentication processing, and authentication result is pushed to teacher visitor Family end, teacher's client end parses student's student number, timestamp and the course numbering of each student client, shows in information list Dendrography life student number, course are numbered and registered or the sign-out time;
Step 6:Student client uploads student client bright screen time window quantity after confirming to register, periodically and arrived Server end;Counted through server end, teacher's client-side information list is as a result synchronized to, when display student plays mobile phone on classroom Between window number, be easy to classroom to assess.
Beneficial effects of the present invention are:
1st, Beacon base stations are based on low-power consumption bluetooth technology, and a button cell can work up to 2 years as long as, low in energy consumption Characteristic, Beacon Bluetooth transmissions device is simple, cheap and conveniently moving;
2nd, teacher side request is registered and sign-out easy to operate, and student side only needs to complete to register on mobile terminals and sign Move back, it is convenient;
3rd, the identity for receiving signal intensity and UUID identifiers based on bluetooth is registered certification, the classroom area only attended class in student Identity is completed in domain to register sign-out certification, it is safe and reliable;
4th, mobile phone amount is played to weigh student's class period by statistic terminal device effective bright screen time, succinctly may be used Lean on;
5th, student client constrains the short bright screen brought come filtering short messages, advertisement etc. by bright screen time window and disturbed, Time of having a rest student is rejected in students in class by the sampling time and plays mobile phone time, reduce computing pressure that timing statisticses bring and Access pressure, it is only necessary in tables of data the access time stamp and each student bright screen number of windows just can count object for appreciation the mobile phone moment and Duration;
6th, in addition, teacher client-side information list Real time dynamic display student school session plays mobile phone time window number, and Support teacher to assess student classroom performance in real time, be easy to teacher's knot class achievement to give a mark.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is the systematic schematic diagram of the embodiment of the present invention.
Fig. 2 is the system module structured flowchart of the embodiment of the present invention.
Fig. 3 is the method flow diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described.It will be apparent that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base Embodiment in the present invention, what those of ordinary skill in the art were obtained in the case where not departing from essence of the invention and spirit Every other embodiment, belongs to the scope that the present invention is disclosed and protected.
" in one embodiment " that different places occur in this specification may not refer to same embodiment, Nor the separate or selective embodiment mutually exclusive with other embodiment.In addition, in flow chart or illustrated module Order, it is or any specific suitable for the sequence number and revocable reference that describe one or more embodiments of the invention Sequence, is not also construed as limiting the invention.
See Fig. 1 and Fig. 2, a kind of teaching based on bluetooth that the present invention is provided is registered and the addicted monitoring system of classroom mobile phone System, is made up of bluetooth Beacon base stations 1, teacher's client 3, student client 4 and server end 7;Wrap bluetooth Beacon base stations 1 Include Beacon transmitter modules 101 and power module 102;Teacher's client 3 includes information setup module 301, asks module of registering 302nd, sign-out module 303, information list module 304 and classroom assessment module 305 are asked;Student client 4, which is included validating that, registers Module 401, the sign-out module 402 of confirmation and surfing Internet with cell phone duration statistical module 403;Server end 7 includes data access module 701st, register authentication module 702 and Information Statistics module 703.
Teacher's client of the present embodiment is set after the information such as course numbering in the application for teacher, sends request Student registers and sign-out instruction, instructs after server-side processes, each the present student being distributed in classroom;In student Client confirms after registering and being sign-out that teacher's client shows registering and the sign-out moment for each student in information list; Played in addition, dynamically updating and showing in teacher's client student information list on each student classroom the mobile phone moment, and teacher The situation that can be answered a question according to student classroom and play mobile phone duration, in student's list assess student classroom performance, be easy to Knot class achievement provides reference;Specifically include information setup module, ask register module, the sign-out module of request, information list module With classroom assessment module;
Information setup module is used for teacher and sets the information such as the UUID in course numbering, the Beacon of reception;Send to clothes Business device end, server end parsing UUID and course numbering, wherein UUID register and sign-out certification letter as current classroom student side Breath, course numbering is registered by request and sign-out instruction is sent to student client.
Request module of registering is used to teacher on course and sends request to each student that is present on classroom registering instruction, comprising The information such as course numbering.
Ask sign-out module to be used for teacher on course and send the sign-out instruction of request to each student that is present on classroom, comprising The information such as course numbering.
Information list module is used for each student information in Dynamic Announce teacher, includes moment of registering, sign-out moment, object for appreciation The information such as mobile phone time window number.
Classroom assessment module is used for the classroom performance that student is assessed in student information list.
The student client of the present embodiment is set after the personal information such as student number, name in the application for student, hair It is sent to information list Dynamic Announce student's personal information in server end, teacher's client;It is sign-out that teacher's client sends request And after instruction of registering, student client response confirmation is registered and sign-out instruction, curriculum information is shown;Each student client statistics Student client bright screen time window quantity, server is reported to when data cube computation is available automatically with some frequency cycle End, when data cube computation is unavailable, cache-time number of windows is uploaded onto the server end, Jiao Shike when data cube computation is available Family end is shown from server end real-time update plays mobile phone time window number on student's course, in this example, in order to reduce short message, The interference that the short bright screen such as advertisement is brought, sets bright screen time detecting window △ T=5S as constraints, in bright screen number of windows Biography frequency is 1/60Hz, so reduces server end and computing and the storage pressure that mobile phone time statistics is brought are played to each student, Numerical values recited can be adjusted in actual use scene according to demand;Specifically include:Confirmation register module, confirm sign-out module and Surfing Internet with cell phone duration statistical module;
Confirmation registers module for after instruction is registered in the transmission request of teacher's client, student client response confirmation to be registered Instruction.
Confirm that sign-out module is used for after teacher's client sends the sign-out instruction of request, student client response confirmation is sign-out Instruction.
Surfing Internet with cell phone duration statistical module is used for mobile terminal bright screen time window number on foundation student classroom, periodically certainly Dynamic to be reported to server end, teacher's client plays mobile phone time window number from server end Dynamic Announce student's course.Student Client periodically uploads student's mobile terminal bright screen time window and counts to server end, and mobile phone is played as student's school session Mark, periodically uploads the student client bright screen moment and the screen moment of going out completes statistics to server end and calculated, result of calculation Dynamic, which updates, arrives teacher's client-side information list.
In above-mentioned student client, periodically upload student's mobile terminal bright screen finite time window and count to server End, the mark of mobile phone amount size is played as student's school session, when the bright screen of each student of servers' data table access is effective Between number of windows and corresponding timestamp, such tables of data just can be counted on each student classroom by simple tally function Mobile phone service condition, and classroom client can reject time of having a rest student object for appreciation in class by setting sampling time window number Mobile phone duration.
The server end of the present embodiment is registered for the request that transfer teacher client is sent and sign-out instruction is objective to student Family end;Parsing teacher client send request register and sign-out message in the information such as UUID1, course numbering;Analytics analysis unfamiliar guest family The confirmation that end is sent register and sign-out message in the personal information such as UUID2, student number, name, curriculum information;By verifying UUID1 Verify that can student register and sign-out success with UUID2 and personal information;The end that caching student client is periodically reported Bright screen time window quantity is held to database, real-time update to teacher's client multidate information list;Specifically include:Data access Module, register authentication module and Information Statistics module.
Data access module is used to cache the instruction from teacher's client, is distributed to student client;And caching comes From the data of each student client, update and arrive teacher's client-side information list.
Authentication module of registering, which is used to parse, compares the authentication information from teacher's client and recognizing from student client Information is demonstrate,proved, authentication function is completed.
Information Statistics module is used to count the terminal screen bright screen time window number from student client, updates and arrives teacher The corresponding information list of client.
The power module of the present embodiment is button cell.
The periodic broadcast bluetooth Beacon messages of bluetooth Beacon base stations 1 in classroom are placed on, in bluetooth Beacon bases Stand in the range of communication broadcast, signal intensity is received according to bluetooth and indicated, teacher's client 3 receives bluetooth Beacon messages, solves Analysis bluetooth Beacon messages and filling classroom authentication information are registered sign-out message to request, the processing of end 7 of uploading onto the server, and Student client 4 is distributed to via the downloading data of server end 7;Student client 4 receives bluetooth Beacon in restricted region and reported Text, parsing bluetooth Beacon messages and filling personal information are registered sign-out message to confirmation, through server end 7, are shown to religion The student information list of teacher's client 3, completes sign-out function of registering;
Student client 4 periodically uploads the bright time window of the screen of student client 4 and counts to server end 7, and server end 7 is complete Into student classroom surf time statistics, teacher's client 3 is shown to.
See Fig. 3, a kind of teaching based on bluetooth that the present invention is provided is registered and the addicted monitoring method of classroom mobile phone, including Following steps:
Step 1:Bluetooth Beacon base stations 1 periodically send in broadcast singal, broadcast singal comprising UUID data item and Measured Power data item;
Step 2:The teacher's client 3 and student client 4 received in bluetooth in the region that signal intensity is arrived at receives indigo plant The broadcast singal of tooth Beacon base stations 1, parsing UUID fields are registered sign-out authentication processing for next step;
Step 3:Teacher's client 3 fills in course numbering, timestamp and command code, UUID, is sent to server end 7, takes Student client 4 is distributed to after the caching UUID information of business device end 7 to respond, wherein teacher's client 3UUID is buffered in server sheet Ground, is easy to next step to register sign-out authentication processing;Command code is that request is registered and command code or asks sign-out command code;
Step 4:Student client 4 receives the broadcast singal of bluetooth Beacon base stations 1, UUID is obtained from broadcast singal, together When receive the request of server end 7 and register and message or ask after sign-out message, parsing course numbering, fill in student client 4UUID, course numbering, student's student number and timestamp, are sent to server end 7, complete confirmation and register or sign-out operation;
Step 5:The verification student client 4 of server end 7 is registered UUID and personal information and religion in message or sign-out message UUID and information that teacher's client 3 is cached, complete student client 4 and register or sign-out authentication processing, authentication result is pushed to religion Teacher's client 3, the end of teacher's client 3 parses student's student number, timestamp and the course numbering of each student client 4, in information Student's student number, course numbering are shown in list and is registered or the sign-out time;
Step 6:Student client 4 uploads the bright time window of the screen of student client 4 after confirming to register, periodically and counted to Server end 7;Counted through server end 7, be as a result synchronized to the information list of teacher's client 3, display student plays hand on classroom Machine time window number, is easy to classroom to assess.Teacher's client 3 shows situation according to student classroom, is given in information list Student's point value of evaluation, is referred to as knot class achievement.
Comprising two data item in the bluetooth Beacon base station broadcast signal data of the present embodiment, be respectively UUID, Measured Power.Wherein, UUID is the identifier of 16, represents bluetooth Beacon base stations unique mark, for teacher visitor Family end and the certification of registering at student client scene;Measured Power are bluetooth Beacon base stations and mobile terminal (teacher Client and student client) between at a distance of when reference received signal strength (RSSI:Received Signal Strength Indicator), mobile terminal monitors student whether in the region of classroom according to reference to the RSSI and RSSI that receives, be used for into Row authentication.
Beacon tranmitting frequencies are 0.5Hz in this example, and numerical values recited can be adjusted in actual scene according to demand.
It should be appreciated that the part that this specification is not elaborated belongs to prior art.
It should be appreciated that the above-mentioned description for preferred embodiment is more detailed, therefore it can not be considered to this The limitation of invention patent protection scope, one of ordinary skill in the art is not departing from power of the present invention under the enlightenment of the present invention Profit is required under protected ambit, can also be made replacement or be deformed, each fall within protection scope of the present invention, this hair It is bright scope is claimed to be determined by the appended claims.

Claims (9)

1. a kind of teaching based on bluetooth is registered and the addicted monitoring system of classroom mobile phone, it is characterised in that:By bluetooth Beacon bases Stand (1), teacher's client (3), student client (4) and server end (7) are constituted;
Bluetooth Beacon base stations (1) periodic broadcast bluetooth Beacon messages in classroom are placed on, in bluetooth Beacon base stations In the range of communication broadcast, signal intensity is received according to bluetooth and indicated, teacher's client (3) receives bluetooth Beacon messages, solves Analysis bluetooth Beacon messages and filling classroom authentication information are registered sign-out message to request, and end (7) of uploading onto the server is handled, And it is distributed to student client (4) via server end (7) downloading data;Student client (4) receives bluetooth in restricted region Beacon messages, parsing bluetooth Beacon messages and filling personal information are registered sign-out message to confirmation, through server end (7) teacher's client (3) student information list, is shown to, sign-out function of registering is completed;
Student client (4) periodically uploads the bright time window of student client (4) screen and counts to server end (7), server end (7) student classroom surf time statistics is completed, teacher's client (3) is shown to.
2. the teaching according to claim 1 based on bluetooth is registered and the addicted monitoring system of classroom mobile phone, it is characterised in that: The bluetooth Beacon base stations (1) include Beacon transmitter modules (101) and power module (102).
3. the teaching according to claim 1 based on bluetooth is registered and the addicted monitoring system of classroom mobile phone, it is characterised in that: Teacher's client (3) includes information setup module (301), asks register module (302), the sign-out module (303) of request, letter Cease list block (304) and classroom assessment module (305).
4. the teaching according to claim 1 based on bluetooth is registered and the addicted monitoring system of classroom mobile phone, it is characterised in that: The student client (4) includes validating that module of registering (401), confirms sign-out module (402) and surfing Internet with cell phone duration statistics mould Block (403).
5. the teaching according to claim 1 based on bluetooth is registered and the addicted monitoring system of classroom mobile phone, it is characterised in that: The server end (7) includes data access module (701), authentication module of registering (702) and Information Statistics module (703).
6. a kind of teaching based on bluetooth is registered and the addicted monitoring method of classroom mobile phone, it is characterised in that comprised the following steps:
Step 1:Bluetooth Beacon base stations (1) periodically send broadcast singal, in broadcast singal comprising UUID data item and Measured Power data item;
Step 2:The teacher's client (3) and student client (4) received in bluetooth in the region that signal intensity is arrived at receives blue Tooth Beacon base stations (1) broadcast singal, parsing UUID fields are registered sign-out authentication processing for next step;
Step 3:Teacher's client (3) fills in course numbering, timestamp and command code, UUID, is sent to server end (7), takes Student client (4) response is distributed to after business device end (7) caching UUID information, wherein teacher's client (3) UUID is buffered in clothes Device of being engaged in is local, is easy to next step to register sign-out authentication processing;The command code is that request is registered and command code or asks sign-out operation Code;
Step 4:Student client (4) receives bluetooth Beacon base station (1) broadcast singal, UUID is obtained from broadcast singal, together When receive server end (7) request and register and message or ask after sign-out message, parsing course numbering, fill in student client (4) UUID, course numbering, student's student number and timestamp, are sent to server end (7), complete confirmation and register or sign-out operation;
Step 5:Server end (7) verification student client (4) is registered UUID and personal information and religion in message or sign-out message The UUID and information of teacher's client (3) caching, complete student client (4) and register or sign-out authentication processing, authentication result is pushed To teacher's client (3), student's student number, timestamp and the course of each student client (4) of teacher's client (3) end parsing are compiled Number, student's student number, course numbering are shown in information list and is registered or the sign-out time;
Step 6:Student client (4) periodically uploads student client (4) bright screen time window quantity after confirming to register To server end (7);Counted through server end (7), be as a result synchronized to teacher's client (3) information list, student is in class for display One's parents play mobile phone time window number, are easy to classroom to assess.
7. the teaching according to claim 6 based on bluetooth is registered and the addicted monitoring method of classroom mobile phone, it is characterised in that: UUID described in step 1 is the identifier of 16, bluetooth Beacon base station (1) unique mark is represented, for teacher's client (3) With the certification of registering at student client (4) scene;The Measured Power are bluetooth Beacon base stations (1) and teacher client Reference received signal strength when apart, teacher's client (3) and student client (4) are held between (3) and student client (4) Prompted the user whether according to Measured Power in the range of bluetooth Beacon base stations (1) transmission signal.
8. the teaching according to claim 6 based on bluetooth is registered and the addicted monitoring method of classroom mobile phone, it is characterised in that: Teacher's client (3) shows situation according to student classroom, and student's point value of evaluation is given in information list, joins as knot class achievement Examine.
9. the teaching based on bluetooth according to claim 6-8 any one is registered and the addicted monitoring method of classroom mobile phone, It is characterized in that:In step 6, bright screen time detecting threshold values △ T=5S, bright screen number of windows upload frequencies are 1/60Hz.
CN201710428675.XA 2017-06-08 2017-06-08 Bluetooth-based teaching sign-in and classroom mobile phone addiction monitoring system and method Expired - Fee Related CN107147993B (en)

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CN107808424A (en) * 2017-11-13 2018-03-16 安徽辛巴教育科技有限公司 A kind of education and instruction is registered method
CN107832953A (en) * 2017-11-13 2018-03-23 安徽辛巴教育科技有限公司 A kind of quality of education overall merit cloud platform
CN109785198A (en) * 2018-12-13 2019-05-21 平安科技(深圳)有限公司 Discipline restriction method, apparatus, medium and electronic equipment based on data analysis
CN110708392A (en) * 2019-10-17 2020-01-17 重庆工商职业学院 Student management system and method based on cloud platform
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CN113012310A (en) * 2021-02-07 2021-06-22 广州大学 Classroom management system and method based on face recognition and Bluetooth
CN113923488A (en) * 2021-09-15 2022-01-11 青岛海信网络科技股份有限公司 Bus, video flow control method and storage medium
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