CN110852849A - Electronic class card management system for school internet of things management and control - Google Patents
Electronic class card management system for school internet of things management and control Download PDFInfo
- Publication number
- CN110852849A CN110852849A CN201911101067.3A CN201911101067A CN110852849A CN 110852849 A CN110852849 A CN 110852849A CN 201911101067 A CN201911101067 A CN 201911101067A CN 110852849 A CN110852849 A CN 110852849A
- Authority
- CN
- China
- Prior art keywords
- main board
- internet
- card reader
- things
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION 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
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0645—Rental transactions; Leasing transactions
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention relates to an electronic class board management system for school things and internet management and control, which comprises an electronic class board and a things and internet management module; the electronic class board comprises a main board, a display screen, a book card reader, an identity card reader, a power panel and a first communication module; the Internet of things management module comprises a control unit, a second communication module and a switch unit; the control end of the switch unit and the second communication module are connected to the control unit; the main board is used for sending an execution instruction to the control unit and performing book borrowing registration according to information acquired by the book card reader and the identity card reader; and the control unit is used for controlling the on-off of the electric devices in the class through the switch unit after receiving the execution instruction sent by the main board. The book borrowing registration efficiency is improved, and meanwhile, the registration error is reduced; the trouble of managing the electric devices can be reduced and the electric devices can be more conveniently turned on or off.
Description
Technical Field
The invention relates to the technical field of class management, in particular to an electronic class board management system for school things internet management and control.
Background
The electronic class card is a good application carrier for realizing smart campuses in daily work, class culture display, classroom communication expansion and the like of the schools. Each class is usually configured with a door mounted at the teacher for displaying school notification, class information, and class basic information including weather, class name, class schedule, watch, etc., and for checking attendance and checking in of students.
The conventional class management is that the daily management of classes, such as the management of electric appliances such as electric lamps, fans and air conditioners of the classes, is generally uniformly turned on or off through a student, for example, after the class is put on school, after the student is cleaned, the devices need to be turned off one by one, switches of the devices may be distributed at different positions, so that the devices are inconvenient to manage by the student, meanwhile, the situation of missed turning off may occur, such as the management of borrowing books of students, and personnel are generally required to be arranged for registration, and obviously, the method for arranging the personnel for registration has the problems of low efficiency and easy error.
Disclosure of Invention
Therefore, the electronic class card management system for school internet of things management and control needs to be provided, and the problems that shutdown is easy to occur in class management, such as management of electric devices, management is troublesome, and registration efficiency in book borrowing management is low and mistakes are easy to occur in the prior art are solved.
In order to achieve the purpose, the inventor provides an electronic class card management system for school things and internet management, which comprises an electronic class card and a things and internet management module;
the electronic class board comprises a main board, a display screen, a book card reader, an identity card reader, a power panel and a first communication module;
the display screen, the book card reader, the identity card reader, the power panel and the first communication module are connected to the mainboard;
the display screen is a touch display screen and is used for displaying image information and acquiring operation signals of students;
the book card reader is used for reading RFID tags arranged on books to acquire book information;
the identity card reader is used for reading student information on a student card;
the Internet of things management module comprises a control unit, a second communication module and a switch unit; the control end of the switch unit and the second communication module are connected to the control unit;
the first communication module and the second communication module establish communication connection;
the main board is used for sending an execution instruction to the control unit when the operation information acquired on the display screen is the internet of things operation information, and performing book borrowing registration according to the information acquired by the book card reader and the identity card reader when the operation information acquired on the display screen is the book borrowing operation information;
and the control unit is used for controlling the on-off of the electric devices in the class through the switch unit after receiving the execution instruction sent by the main board.
Further preferably, the internet of things management module further comprises an electric curtain unit, the electric curtain unit is connected to the control unit, and the control unit is further used for controlling the electric curtain unit to open or close the curtain after receiving an execution instruction sent by the main board.
The electronic class board further comprises a camera, the camera is connected to the main board and used for acquiring image information of students and sending the image information to the main board;
the main board is also used for comparing the faces according to the image information acquired by the camera, and if the comparison is successful, the student signs in successfully.
Further optimizing, the camera is used for simultaneously acquiring image information of a plurality of persons;
the main board is also used for identifying a plurality of faces of the image information and then respectively comparing the faces.
Further optimizing, the electronic class board is further provided with a fingerprint instrument, the fingerprint instrument is connected to the main board and used for acquiring fingerprint information of students and sending the fingerprint information to the main board;
the main board is also used for comparing fingerprints according to the received fingerprint information, and if the comparison is successful, the student signs in successfully.
Further optimization, the internet of things management module comprises a temperature sensor, the temperature sensor is connected to the control unit, and the temperature sensor is used for acquiring temperature information in a class;
the control unit is also used for judging whether the fan or the air conditioner needs to be started or closed according to the acquired temperature information, and if so, the fan or the air conditioner is controlled to be started or closed through the switch unit.
Preferably, the main board is provided with a plurality of USB interfaces, and the main board is connected with the display screen, the book card reader, the identity card reader and the first communication module through the USB interfaces.
Different from the prior art, according to the technical scheme, book borrowing management and electric appliance management are integrated through the electronic class board, book borrowing registration of students is automatically completed through the book card reader and the identity card reader, book borrowing registration is improved, and meanwhile, the occurrence of registration errors is reduced; and each electric device in the classroom is turned on or turned off through the electronic class board, so that the trouble of managing the electric devices can be reduced, and the electric devices can be turned on or turned off more conveniently.
Drawings
Fig. 1 is a schematic structural diagram of an electronic class card management system for school internet of things management and control according to a specific embodiment.
Description of reference numerals:
110. an electronic class board;
111. a main board, a plurality of first and second connection terminals,
112. a display screen is arranged on the display screen,
113. a reader for the book of cards,
114. a card reader for the identity card,
115. a first communication module for communicating with a first communication module,
116. a power supply board is arranged on the base plate,
120. the management module of the internet of things is provided with a plurality of internet of things,
121. a control unit for controlling the operation of the display unit,
122. a second communication module for performing a communication with the first communication module,
123. a switch unit.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the embodiment provides an electronic class card management system for school things and internet management, including an electronic class card 110 and an things and internet management module 120;
the electronic class board 110 comprises a main board 111, a display screen 112, a book card reader 113, an identity card reader 114, a power panel 116 and a first communication module 115;
the display screen 112, the book card reader 113, the identity card reader 114, the power panel 116 and the first communication module 115 are connected to the main board 111;
the display screen 112 is a touch display screen 112, and the display screen 112 is used for displaying image information and acquiring operation signals of students;
the book card reader 113 is used for reading an RFID tag arranged on a book to acquire book information;
the identity card reader 114 is used for reading student information on a student card;
the internet of things management module 120 comprises a control unit 121, a second communication module 122 and a switch unit 123; the control end of the switch unit 123 and the second communication module 122 are connected to the control unit 121;
the first communication module 115 and the second communication module 122 establish communication connection;
the main board 111 is configured to send an execution instruction to the control unit 121 when the operation information acquired on the display screen 112 is the internet of things operation information, and perform book borrowing registration according to information acquired by the book card reader 113 and the identity card reader 114 when the operation information acquired on the display screen 112 is the book borrowing operation information;
the control unit 121 is configured to control the on/off of the electric devices in the class through the switch unit 123 after receiving the execution instruction sent by the main board 111.
Book borrowing is automatically managed by integrating a main board 111, a display screen 112, a book card reader 113 and an identity card reader 114 on an electronic class board 110, when a student needs to borrow a book, the student selects the book to be borrowed, the book is provided with an RFID tag storing book information of the book, the student operates on the display screen 112 of the electronic class board 110 to select the book to borrow, the main board 111 prompts the student to identify and recognize the book through the display screen 112, the student needs to clamp the student on the identity card reader 114 to identify, the main board 111 obtains the identity information of the student through the identity card reader 114, the student aligns the RFID tag on the book to be borrowed with the book card reader 113, the main board 111 obtains the book information of the book through the book card reader, and after the main board 111 obtains the identity information and the book information, the book is borrowed, generating book borrowing information, such as that a student A borrows a book C at a time B, and storing the book borrowing information; and when the student need return its books of borrowing, then operation selection books return on display screen 112, then through the books information of obtaining this student's identity information and the books of borrowing, then carry out books return registration to this student, generate corresponding books return information, return books C at time B like student A, and store this books return information, can realize borrowing books or returning the automatic registration of books to the student, need not to arrange special personnel and go on borrowing the management to books, not only improve books and borrow the management, reduce the mistake that appears in books borrowing the management simultaneously. Meanwhile, the internet of things is established through the electronic class board 110 and the internet of things management module 120, each electric device in a class can be managed through the electronic class board 110, operation information of the electric device is obtained through the display screen 112 on the electronic class board 110, such as on or off, after the mainboard 111 obtains the operation information of the electric device on the display screen 112, the operation information is sent to the second communication module 122 in the internet of things management magic module through the first communication module 115, so that the control unit 121 of the internet of things management module 120 controls the switch unit 123 to operate each electric device, such as operation information of turning off an electric lamp on the display screen 112 of the electronic class board 110, the electronic class board 110 sends the operation information to the internet of things management module 120, the control unit 121 of the internet of things management module 120 turns off the electric lamp through the switch unit 123, and management of all electric devices is integrated on the electronic class board 110, the trouble of managing each electrical appliance can be avoided, and the condition that the electrical appliance is forgotten to be closed is reduced. The first communication module 115 and the second communication module 122 may be a WiFi module, an NB-IoT module, or a zigbee module.
In this embodiment, in order to facilitate management of the window curtains, the internet of things management module 120 further includes a motorized window curtain unit, the motorized window curtain unit is connected to the control unit 121, and the control unit 121 is further configured to control the motorized window curtain unit to open or close the window curtain after receiving an execution instruction sent by the main board 111. The person on duty can also control the opening or closing of the curtain through the electronic shift board 110, if the curtain needs to be opened, the operation of opening the curtain is selected on the display screen 112 of the electronic shift board 110, the main board 111 generates an execution instruction according to the operation and sends the execution instruction to the control unit 121, and after the control unit 121 receives the execution instruction, the curtain is controlled to be opened through the electric curtain unit, so that the electric control of the curtain can be realized, and the trouble of manually opening or closing the curtain by the person on duty can be reduced.
In this implementation, in order to facilitate the management of student registration, the electronic class board 110 further includes a camera, the camera is connected to the main board 111, and the camera is used for acquiring image information of students and sending the image information to the main board 111;
the main board 111 is further configured to perform face comparison according to the image information obtained by the camera, and if the face comparison is successful, record that the student successfully signed in. When the student is checked in through the electronic class board 110, image information of the student is obtained through the camera, then the main board 111 recognizes the image information through face recognition to obtain identity information of the student, the check-in of the student is completed, check-in information is generated, and if the student A checks in at the time B, the check-in information is stored. In order to further increase the check-in efficiency, the camera is used for simultaneously acquiring image information of a plurality of persons; the main board 111 is also configured to recognize a plurality of faces of the image information, and then compare the faces with each other. The image information of multiple persons is obtained through the camera, namely, one image information contains face images of multiple persons, then the main board 111 identifies the face images of all the persons in the image information, the face images are compared one by one, the simultaneous check-in of the multiple persons is completed, and the check-in efficiency can be improved.
The electronic class board 110 is also provided with a fingerprint instrument, the fingerprint instrument is connected to the main board 111, and the fingerprint instrument is used for acquiring fingerprint information of students and sending the fingerprint information to the main board 111; the main board 111 is further configured to perform fingerprint comparison according to the received fingerprint information, and if the comparison is successful, record that the student successfully signed in. When the student is checked in and registered through the electronic class board 110, fingerprint information of the student is acquired through a fingerprint instrument, then the main board 111 identifies the fingerprint information through fingerprint identification to acquire identity information of the student, the student is checked in and generates check in information, the check in information is stored, and check in and registration of the student is completed.
Class students sign in and register through the face recognition of the camera or the fingerprint recognition of the fingerprint instrument, and the signing replacing behaviors of part of students can be avoided, so that the sign-in information is more accurate.
In this embodiment, in order to realize automatic adjustment of the fan or the air conditioner according to the environment of the class, the internet of things management module 120 includes a temperature sensor, the temperature sensor is connected to the control unit 121, and the temperature sensor is used for acquiring temperature information in the class;
the control unit 121 is further configured to determine whether the fan or the air conditioner needs to be turned on or off according to the acquired temperature information, and if so, control the fan or the air conditioner to be turned on or off through the switch unit 123.
The control unit 121 obtains temperature information in the class through the temperature sensor, and determines whether the fan or the air conditioner needs to be turned on or off according to the temperature information, if the temperature information is higher than a preset temperature, the control unit 121 turns on the fan or the air conditioner, and if the temperature information is lower than the preset temperature, the control unit 121 turns off the fan or the air conditioner, wherein the temperature sensor only works when the class is in a time period of class, that is, when the class is in a state of school, the temperature sensor stops working.
Further preferably, the main board 111, the display screen 112, the book card reader 113, the identity card reader 114, the power board 116 and the communication module all adopt existing devices, and in order to facilitate connection between the main board 111 and other devices, a plurality of USB interfaces are provided on the main board 111, and the main board 111 is connected with the display screen 112, the book card reader 113, the identity card reader 114 and the first communication module 115 through the USB interfaces. The main board 111 adopts an android main board 111 with the model number of 83T 3288, and the main board 111 is provided with a plurality of USB interfaces, so that the main board 111 can be connected with other devices conveniently, thereby not only realizing the connection between the main board 111 and other devices, but also realizing the connection between the devices when a certain device is damaged.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (7)
1. An electronic class card management system for school things and internet management is characterized by comprising an electronic class card and a things and internet management module;
the electronic class board comprises a main board, a display screen, a book card reader, an identity card reader, a power panel and a first communication module;
the display screen, the book card reader, the identity card reader, the power panel and the first communication module are connected to the mainboard;
the display screen is a touch display screen and is used for displaying image information and acquiring operation signals of students;
the book card reader is used for reading RFID tags arranged on books to acquire book information;
the identity card reader is used for reading student information on a student card;
the Internet of things management module comprises a control unit, a second communication module and a switch unit; the control end of the switch unit and the second communication module are connected to the control unit;
the first communication module and the second communication module establish communication connection;
the main board is used for sending an execution instruction to the control unit when the operation information acquired on the display screen is the internet of things operation information, and performing book borrowing registration according to the information acquired by the book card reader and the identity card reader when the operation information acquired on the display screen is the book borrowing operation information;
and the control unit is used for controlling the on-off of the electric devices in the class through the switch unit after receiving the execution instruction sent by the main board.
2. The electronic class board management system controlled by the school internet of things according to claim 1, wherein the internet of things management module further comprises a motorized window treatment unit, the motorized window treatment unit is connected to the control unit, and the control unit is further configured to control the motorized window treatment unit to open or close a window treatment after receiving an execution instruction sent by the main board.
3. The electronic class card management system controlled by the school internet of things according to claim 1, further comprising a camera, wherein the camera is connected to the main board and used for acquiring image information of students and sending the image information to the main board;
the main board is also used for comparing the faces according to the image information acquired by the camera, and if the comparison is successful, the student signs in successfully.
4. The electronic class card management system managed by the school internet of things according to claim 3, wherein the camera is used for simultaneously acquiring image information of a plurality of persons;
the main board is also used for identifying a plurality of faces of the image information and then respectively comparing the faces.
5. The electronic class card management system controlled by the school internet of things according to claim 1, further comprising a fingerprint instrument arranged on the electronic class card, wherein the fingerprint instrument is connected to the main board and used for acquiring fingerprint information of students and sending the fingerprint information to the main board;
the main board is also used for comparing fingerprints according to the received fingerprint information, and if the comparison is successful, the student signs in successfully.
6. The electronic class board management system managed by the school internet of things according to claim 1, wherein the internet of things management module comprises a temperature sensor, the temperature sensor is connected to the control unit, and the temperature sensor is used for acquiring temperature information in a class;
the control unit is also used for judging whether the fan or the air conditioner needs to be started or closed according to the acquired temperature information, and if so, the fan or the air conditioner is controlled to be started or closed through the switch unit.
7. The electronic class card management system controlled by the school internet of things according to claim 1, wherein a plurality of USB interfaces are arranged on the main board, and the main board is connected with the display screen, the book card reader, the identity card reader and the first communication module through the USB interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101067.3A CN110852849A (en) | 2019-11-12 | 2019-11-12 | Electronic class card management system for school internet of things management and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101067.3A CN110852849A (en) | 2019-11-12 | 2019-11-12 | Electronic class card management system for school internet of things management and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110852849A true CN110852849A (en) | 2020-02-28 |
Family
ID=69600513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911101067.3A Pending CN110852849A (en) | 2019-11-12 | 2019-11-12 | Electronic class card management system for school internet of things management and control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110852849A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205193569U (en) * | 2015-11-10 | 2016-04-27 | 湖南新云网科技有限公司 | Wisdom classroom management system |
| CN206149322U (en) * | 2016-10-08 | 2017-05-03 | 南京合旺科技发展有限公司 | Wisdom class tablet and information issuing system |
| US20170235449A1 (en) * | 2016-02-12 | 2017-08-17 | David Harris Walters | Personalized Multimedia Autographing System |
| CN109684999A (en) * | 2018-12-21 | 2019-04-26 | 广东粤众互联信息技术有限公司 | A kind of the electronics class board system and its implementation of recognition of face |
-
2019
- 2019-11-12 CN CN201911101067.3A patent/CN110852849A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205193569U (en) * | 2015-11-10 | 2016-04-27 | 湖南新云网科技有限公司 | Wisdom classroom management system |
| US20170235449A1 (en) * | 2016-02-12 | 2017-08-17 | David Harris Walters | Personalized Multimedia Autographing System |
| CN206149322U (en) * | 2016-10-08 | 2017-05-03 | 南京合旺科技发展有限公司 | Wisdom class tablet and information issuing system |
| CN109684999A (en) * | 2018-12-21 | 2019-04-26 | 广东粤众互联信息技术有限公司 | A kind of the electronics class board system and its implementation of recognition of face |
Non-Patent Citations (1)
| Title |
|---|
| 马凡: "《微机原理与接口技术》", 31 May 2019 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mohamed et al. | Fingerprint attendance system for classroom needs | |
| Patel et al. | Development of a student attendance management system using RFID and face recognition: a review | |
| CN105303632A (en) | Mobile signing monitoring system and working method | |
| Thein et al. | Students’ attendance management system based on RFID and fingerprint reader | |
| CN105676923A (en) | Laboratory equipment management control system | |
| CN105913178A (en) | Classroom open management system for university | |
| US20170011239A1 (en) | System and method for remotely managing functions of a device | |
| Čisar et al. | Smartphone application for tracking students' class attendance | |
| CN206057896U (en) | A kind of multimedia controller | |
| CN211827379U (en) | Access control cluster management system suitable for school uses | |
| CN110852849A (en) | Electronic class card management system for school internet of things management and control | |
| Dutta et al. | Smart and Secure Fingerprint Attendance System using Arduino UNO with GSM Alert | |
| CN104320887A (en) | Method, device and system for controlling lighting lamps in individual study room | |
| Duraki et al. | A Mobile Application for Wireless Attendance System | |
| CN212211051U (en) | Intelligent laboratory management system | |
| Patil et al. | Student attendance system and authentication using face recognition | |
| CN210466482U (en) | Noninductive attendance device based on Internet of things | |
| CN210534834U (en) | Intelligent electronic class board with book borrowing function | |
| CN206558139U (en) | Multifunction electronic class board apparatus | |
| Kadepurkar et al. | IoT based smart classroom | |
| CN113630459A (en) | Laboratory data management terminal and method for teaching management by using same | |
| KR101328117B1 (en) | System for supporting education having finger scan function improved trainees management | |
| Addagatla | Arduino-based-student-attendance-monitoring-system-using-GSM | |
| CN217443809U (en) | Intelligent campus service terminal | |
| CN106227112A (en) | A kind of multimedia controller and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200228 |
|
| WD01 | Invention patent application deemed withdrawn after publication |