CN111309657B - Electronic equipment, control method thereof and intelligent classroom system - Google Patents
Electronic equipment, control method thereof and intelligent classroom system Download PDFInfo
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- CN111309657B CN111309657B CN201910958708.0A CN201910958708A CN111309657B CN 111309657 B CN111309657 B CN 111309657B CN 201910958708 A CN201910958708 A CN 201910958708A CN 111309657 B CN111309657 B CN 111309657B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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Abstract
The invention provides electronic equipment, a control method thereof and an intelligent classroom system, wherein the electronic equipment comprises a processor, a plurality of first interfaces and a plurality of second interfaces, wherein the plurality of first interfaces and the plurality of second interfaces are in one-to-one correspondence; each first interface is used for connecting an input device, and a plurality of input devices can be connected through a plurality of first interfaces simultaneously; each second interface is used for connecting a display device and can be simultaneously connected with a plurality of display devices through a plurality of second interfaces, wherein the input device connected with each first interface and the display device connected with the corresponding second interface form a user end; the processor is used for processing the user control information input by the input device of any user terminal, controlling the display device of the user terminal to display the picture responding to the user control, and realizing interactive communication among different user terminals. The invention can realize the simultaneous control of different pictures and realize the interactive communication among a plurality of users.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an electronic device, a control method thereof and an intelligent classroom system.
Background
With the development of electronic technology, more and more electronic devices are developing towards the trend of intellectualization, and have more and more functions, so as to provide more convenience for life and work of people, for example, some electronic devices such as current exhibition stands, white boards, large screens, recording and broadcasting, etc. have a multi-screen display function, these electronic devices usually have a plurality of interfaces for connecting display devices, the electronic devices can simultaneously connect a plurality of display devices through these interfaces, and can adopt a homologous output mode (a plurality of display devices can simultaneously display the same screen) or a different source output mode (a plurality of display devices can simultaneously display different screens), and a user can control the content displayed by the display devices through an input device such as a touch screen or a mouse.
However, for the current electronic device, when the passive output mode is adopted, the user can only control one screen (i.e. the content displayed by one display device) at the same time through the input device, and if other screens need to be controlled, the switching needs to be performed through a manual mode (e.g. through a mechanical key, a remote controller, etc.) to change the screen controlled by the current input device, which is cumbersome and not beneficial to realize the communication interaction among multiple users.
Disclosure of Invention
Based on the above situation, the present invention is directed to an electronic device, a control method thereof, and an intelligent classroom system, which can simultaneously control different pictures and realize interactive communication among a plurality of users.
In order to achieve the above object, an embodiment of the present invention provides an electronic device, including a processor, a plurality of first interfaces and a plurality of second interfaces, where the plurality of first interfaces and the plurality of second interfaces are in one-to-one correspondence;
each first interface is used for connecting an input device to receive user control information input by the input device, and a plurality of input devices can be simultaneously connected through the plurality of first interfaces;
each second interface is used for connecting a display device to output media data to the display device, and a plurality of display devices can be simultaneously connected through the plurality of second interfaces, wherein the input device connected with each first interface and the display device connected with the corresponding second interface form a user end;
the processor is used for processing user control information input by the input device of any user terminal, controlling the display device of the user terminal to display a picture responding to the user control, and realizing interactive communication among different user terminals;
when the processor determines that user control information input by a user terminal is a sending instruction of a communication message, the processor generates first media data responding to user control and second media data containing the communication message, sends the first media data to a display device of the user terminal of a message source through a corresponding second interface, and sends the second media data to a display device of the user terminal of a message target through a corresponding second interface, so that interactive communication is realized among different user terminals, wherein the media data at least comprises image data.
Further, the electronic device further includes a storage device for storing a configuration file, where the configuration file includes correspondence between the plurality of first interfaces and the plurality of second interfaces, and the processor obtains the correspondence between the plurality of first interfaces and the plurality of second interfaces by reading the configuration file.
Further, the processor is further configured to modify the corresponding relationship in the configuration file according to user manipulation information.
Furthermore, the input and output data of a plurality of user sides are processed through a plurality of processes or a single process.
Further, the media data also includes audio data.
Further, the plurality of first interfaces include at least one of a USB interface and a serial port, and the plurality of second interfaces include at least one of an HDMI interface, a VGA interface, and a CVBS interface.
Further, the plurality of input devices comprise at least one of a touch screen, a mouse and a keyboard, and the plurality of display devices comprise at least one of a display with an audio playing function and a display without the audio playing function.
Further, the electronic device is an electronic whiteboard, a large-screen display device, a recording and broadcasting device or a display stand device.
In order to achieve the above object, the invention further provides an intelligent classroom system including the electronic device.
In order to achieve the above object, a technical solution of the present invention further provides a method for controlling an electronic device, where the electronic device includes a processor, a plurality of first interfaces and a plurality of second interfaces, the plurality of first interfaces are in one-to-one correspondence with the plurality of second interfaces, each first interface is used to connect an input device to receive user control information input by the input device, and each second interface is used to connect a display device to output media data to the display device, where the input device connected to each first interface and the display device connected to the corresponding second interface form a user side, and the media data at least includes image data, and the method includes:
step S1: the processor processes user control information input by each user terminal, and when the user control information input by one user terminal is determined to be a sending instruction of a communication message, the processor generates first media data responding to user control and second media data containing the communication message;
step S2: and the processor sends the first media data to a display device of a user side of a message source through the corresponding second interface, and sends the second media data to a display device of a user side of a message target through the corresponding second interface, so that interactive communication is realized among different user sides.
The electronic equipment provided by the invention comprises a plurality of first interfaces and a plurality of second interfaces, wherein the first interfaces and the second interfaces are in one-to-one correspondence, so that a plurality of user terminals can be formed, and the processor processes user control information input by each user terminal and enables the display device to display corresponding pictures, so that different pictures can be simultaneously controlled, and interactive communication can be realized among a plurality of users.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of an electronic device according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating processing of input and output data of different clients by a processor in an electronic device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of another electronic device provided in the embodiment of the present invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in order to avoid obscuring the nature of the present invention, well-known methods, procedures, and components have not been described in detail.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, fig. 1 is a schematic diagram of an electronic device according to an embodiment of the present invention, where the electronic device includes a processor a1, a plurality of first interfaces (B1, B2, …, Bn) and a plurality of second interfaces (C1, C2, …, Cn), where the plurality of first interfaces correspond to the plurality of second interfaces one to one, that is, the first interface B1 corresponds to the second interface C1, the first interface B2 corresponds to the second interfaces C2, …, and the first interface Bn corresponds to the second interface Cn;
each first interface is used for connecting an input device to receive user control information input by the input device, and a plurality of input devices can be simultaneously connected through the plurality of first interfaces;
each second interface is used for connecting a display device to output media data to the display device, and a plurality of display devices can be simultaneously connected through the plurality of second interfaces, wherein each input device connected with the first interface and the corresponding display device connected with the second interface form a user end, namely the input device connected with the first interface B1 and the display device connected with the second interface C1 form a user end, the input device connected with the first interface B2 and the display device connected with the second interface C2 form a user end, …, and the input device connected with the first interface Bn and the display device connected with the second interface Cn form a user end;
the processor a1 is configured to process user operation information input by the input device of any user terminal, control the display device of the user terminal to display a picture responding to the user operation, and implement interactive communication between different user terminals, for example, the processor a1 is a CPU;
when the processor a1 determines that user manipulation information input by a user terminal is a sending instruction of a communication message, the processor generates first media data responding to the user manipulation and second media data including the communication message, sends the first media data to a display device of the user terminal of a message source through a corresponding second interface, and sends the second media data to a display device of the user terminal of a message destination through a corresponding second interface, thereby implementing interactive communication between different user terminals, wherein the media data at least includes image data.
The electronic equipment provided by the embodiment of the invention comprises a plurality of first interfaces and a plurality of second interfaces, wherein the plurality of first interfaces and the plurality of second interfaces are in one-to-one correspondence, so that a plurality of user terminals can be formed, and the processor processes user control information input by each user terminal and enables the display device to display corresponding pictures, so that different pictures can be simultaneously controlled, and interactive communication can be realized among a plurality of users.
For example, in an embodiment, the plurality of first interfaces include at least one of a USB interface and a serial port, and the plurality of second interfaces include at least one of an HDMI interface, a VGA interface, and a CVBS interface.
For example, in one embodiment, the input devices include at least one of a touch screen, a mouse, and a keyboard, the user manipulation information may include data such as position coordinates (e.g., touch position coordinates), and the display devices include at least one of a display with an audio playing function and a display without an audio playing function.
For example, in an embodiment, the electronic device includes three first interfaces and three second interfaces, which are respectively an HDMI interface, a VGA interface, and a CVBS interface, where the three second interfaces are USB interfaces that can connect a mouse and a touch screen, and are respectively USB0, USB1, and USB2, where the HDMI interface corresponds to USB0, the VGA interface corresponds to USB1, and the CVBS interface corresponds to USB2, so that when the processor receives user manipulation information input by USB0, HDMI data in response to user manipulation is generated and output through the HDMI interface; when the processor receives user control information input by the USB1, VGA data responding to user control is generated and output through a VGA interface; after the processor receives user control information input by the USB0, CVBS data responding to user control are generated and output through a CVBS interface, so that three user sides can be formed for three users to use simultaneously, different purposes are realized, and the three user sides are independent from each other and do not interfere with each other;
in the embodiment of the invention, the plurality of first interfaces and the plurality of second interfaces are in one-to-one correspondence, the processor can distinguish different input devices through the identified device descriptors, and the processor acquires user control information input by the input devices and sends the generated media data to the corresponding display devices;
for example, in one embodiment, the media data includes image data and audio data, and the display device includes a display with an audio playing function, so that the display device can output not only a screen in response to a user operation but also a sound in response to a user operation.
For example, in an embodiment, the electronic device further includes a storage device for storing a configuration file, where the configuration file includes correspondence between the plurality of first interfaces and the plurality of second interfaces, and the processor obtains the correspondence between the plurality of first interfaces and the plurality of second interfaces by reading the configuration file; preferably, the processor is further configured to modify the corresponding relationship in the configuration file according to user operation information, so that a user can modify the corresponding relationship between the first interface and the second interface according to the user's own needs.
The electronic equipment provided by the embodiment of the invention can realize interactive communication among a plurality of users, for example, the processor outputs media data for forming a login interface to the display device of each user side, when the display device displays the login interface, the user inputs login information (such as a user name and a password) on the login interface through the input device, the processor processes the login information input by the user, if the login information is determined to be correct, the user is bound with the user side currently used by the user and recorded (such as the user name of the user is bound with a first interface or a second interface connected with the user side), and in the subsequent communication interaction process, the processor displays the communication information on the display device of the user side currently used by a target user according to the recorded binding information;
specifically, in the communication interaction process, when the processor determines that user control information input by a user terminal is a sending instruction of a communication message (the user terminal sending the instruction is the user terminal of the message source, and the sending instruction can include the communication message to be sent, the source user of the communication message and the target user of the communication message), the processor generates first media data (used for forming a communication interface of the source user of the communication message, such as displaying the sending state of the communication message to the source user) and second media data (used for forming a communication interface of the target user of the communication message, displaying the communication message to the target user) responding to the user control, searches the user terminal currently used by the target user according to the recorded binding information, and then sends the first media data to the display device of the user terminal of the message source (i.e. the user terminal currently used by the source user of the communication message) through the corresponding second interface, thereby displaying the sending state (if sent) of the communication message to the source user of the communication message, and sending the second media data to the display device of the user terminal (the user terminal currently used by the target user) of the message target through the corresponding second interface, thereby displaying the communication message to the target user of the communication message.
In addition, for the electronic device in the embodiment of the present invention, not only can the communication interaction between different users be realized, but also other functions can be realized, and different user sides are independent from each other and do not interfere with each other, for example, if three user sides are included, user side 1 can perform brush scribble teaching, user side 2 can perform video and voice live broadcast, and user side 3 can perform video conference.
In the embodiment of the present invention, the processing of the input and output data of the multiple user terminals can be realized through multiple processes or a single process, for example, referring to fig. 2, the input and output data of the multiple user terminals can be processed by multiple processes, that is, a CPU (processor) can simultaneously run multiple processes, each process receives and processes user control information input by one user terminal, and outputs media data corresponding to the user control to a display device, thereby realizing individual screen control of different user terminals, and in addition, different processes can communicate with each other, thereby realizing information interaction between different user terminals.
Wherein, the electronic device in the embodiment of the present invention is a device with a display device, such as an electronic whiteboard and a large-screen display device, that is, a second interface of the electronic device is connected with the display device, a first interface is connected with an input device, a user can connect the external display device and the external input device through other second interfaces and the first interface as required in the using process, in addition, the electronic device can also be a device without a display device, such as a recording and broadcasting device or a stand device, if the electronic device is a recording and broadcasting device, the electronic device can be used as a recording lesson when the display device is not connected, and under the condition of connecting a plurality of display devices and a plurality of input devices, as shown in fig. 3, the electronic device can also be used for interactive teaching between a teacher and a student at the same time, so as to realize the communication interaction between the teacher and the student, that the teacher can input questioning content on the currently used user end, the processor displays the questioning content on a display device of a user end currently used by the student, the student inputs answers after checking the questioning content, the processor displays the answer content on the display device of the user end currently used by the teacher, and then the teacher can return information (such as comment information of the answers) to the student through the user end currently used by the teacher, wherein in the process, the interaction of the information can be processed through a communication mechanism among processes.
The electronic equipment provided by the embodiment of the invention can realize simultaneous operation and use of a plurality of users, has multiple purposes by a single device, can be independently carried out without mutual interference, and can also realize mutual communication among a plurality of user sides so as to realize interactive control.
The embodiment of the invention also provides an intelligent classroom system which comprises the electronic equipment.
An embodiment of the present invention further provides a method for controlling an electronic device, where the electronic device includes a processor, a plurality of first interfaces and a plurality of second interfaces, the plurality of first interfaces are in one-to-one correspondence with the plurality of second interfaces, each first interface is used to connect an input device to receive user control information input by the input device, and each second interface is used to connect a display device to output media data to the display device, where the input device connected to each first interface and the display device connected to the corresponding second interface form a user end, and the media data at least includes image data, and the method includes:
step S1: the processor processes user control information input by each user terminal, and when the user control information input by one user terminal is determined to be a sending instruction of a communication message, the processor generates first media data responding to user control and second media data containing the communication message;
step S2: and the processor sends the first media data to a display device of a user side of a message source through the corresponding second interface, and sends the second media data to a display device of a user side of a message target through the corresponding second interface, so that interactive communication is realized among different user sides.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.
Claims (9)
1. An electronic device includes a processor, a plurality of first interfaces, and a plurality of second interfaces, wherein the plurality of first interfaces correspond to the plurality of second interfaces one to one, the electronic device further includes a storage device for storing a configuration file, the configuration file includes a correspondence between the plurality of first interfaces and the plurality of second interfaces, and the processor obtains the correspondence between the plurality of first interfaces and the plurality of second interfaces by reading the configuration file;
each first interface is used for connecting an input device to receive user control information input by the input device, and a plurality of input devices can be simultaneously connected through the plurality of first interfaces;
each second interface is used for connecting a display device to output media data to the display device, and a plurality of display devices can be simultaneously connected through the plurality of second interfaces, wherein the input device connected with each first interface and the display device connected with the corresponding second interface form a user end;
the processor is used for processing user control information input by the input device of any user terminal, controlling the display device of the user terminal to display a picture responding to the user control, and realizing interactive communication among different user terminals;
when the processor determines that user control information input by a user terminal is a sending instruction of a communication message, the processor generates first media data responding to user control and second media data containing the communication message, sends the first media data to a display device of the user terminal of a message source through a corresponding second interface, and sends the second media data to a display device of the user terminal of a message target through a corresponding second interface, so that interactive communication is realized among different user terminals, wherein the media data at least comprises image data.
2. The electronic device of claim 1, wherein the processor is further configured to modify the correspondence in the configuration file according to user manipulation information.
3. The electronic device of claim 1, wherein the processing of the input and output data of the plurality of user terminals is implemented by a multi-process or a single process.
4. The electronic device of claim 1, wherein the media data further comprises audio data.
5. The electronic device of any of claims 1-4, wherein the plurality of first interfaces comprise at least one of a USB interface and a serial port, and wherein the plurality of second interfaces comprise at least one of an HDMI interface, a VGA interface, and a CVBS interface.
6. The electronic device of any of claims 1-4, wherein the plurality of input devices comprise at least one of a touch screen, a mouse, and a keyboard, and wherein the plurality of display devices comprise at least one of a display with audio playback functionality and a display without audio playback functionality.
7. The electronic device according to any one of claims 1-4, wherein the electronic device is an electronic whiteboard, a large screen display device, a recording and broadcasting device, or a display device.
8. A smart classroom system comprising the electronic device of any of claims 1-7.
9. A control method of an electronic device is characterized in that the electronic device includes a processor, a plurality of first interfaces and a plurality of second interfaces, the plurality of first interfaces correspond to the plurality of second interfaces one by one, the electronic device further includes a storage device for storing a configuration file, the configuration file includes correspondence between the plurality of first interfaces and the plurality of second interfaces, the processor obtains correspondence between the plurality of first interfaces and the plurality of second interfaces by reading the configuration file, each first interface is used for connecting an input device to receive user control information input by the input device, each second interface is used for connecting a display device to output media data to the display device, wherein the input device connected with each first interface and the display device connected with the corresponding second interface form a user end, the media data includes at least image data, and the control method includes:
step S1: the processor processes user control information input by each user terminal, and when the user control information input by one user terminal is determined to be a sending instruction of a communication message, the processor generates first media data responding to user control and second media data containing the communication message;
step S2: and the processor sends the first media data to a display device of a user side of a message source through the corresponding second interface, and sends the second media data to a display device of a user side of a message target through the corresponding second interface, so that interactive communication is realized among different user sides.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126337A (en) * | 1995-07-18 | 1996-07-10 | 山东大学 | Miniature computer with multiple display screens, touching panels and keyboards and its operating way |
| CN101095110A (en) * | 2004-11-05 | 2007-12-26 | 埃森哲全球服务有限公司 | A system for distributed information presentation and interaction |
| CN102460487A (en) * | 2009-04-07 | 2012-05-16 | 学树国际公司 | System and method for hybrid course instruction |
| CN103957371B (en) * | 2013-11-29 | 2017-04-19 | 中国航空无线电电子研究所 | Intelligent and visual video recording and controlling device |
| CN107371044A (en) * | 2016-09-12 | 2017-11-21 | 猫范（北京）科技有限公司 | Electronic equipment interactive method, electronic equipment, user terminal and server |
| CN107370982A (en) * | 2017-08-15 | 2017-11-21 | 北京北纬天辰科技有限公司 | Tele-conferencing system based on electronic whiteboard |
| CN108874348A (en) * | 2018-07-10 | 2018-11-23 | 众安信息技术服务有限公司 | A kind of resource broadcast control system and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279645A (en) * | 2010-06-10 | 2011-12-14 | 盛乐信息技术（上海）有限公司 | One-machine multi-user system |
| CN101968932A (en) * | 2010-09-19 | 2011-02-09 | 深圳市摩拓触摸科技有限公司 | Intelligent interactive multimedia teaching system and implementation method thereof |
| KR102597036B1 (en) * | 2016-10-11 | 2023-11-02 | 삼성전자주식회사 | electronic device having a dual-display and operating method thereof |
-
2019
- 2019-10-10 CN CN201910958708.0A patent/CN111309657B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126337A (en) * | 1995-07-18 | 1996-07-10 | 山东大学 | Miniature computer with multiple display screens, touching panels and keyboards and its operating way |
| CN101095110A (en) * | 2004-11-05 | 2007-12-26 | 埃森哲全球服务有限公司 | A system for distributed information presentation and interaction |
| CN102460487A (en) * | 2009-04-07 | 2012-05-16 | 学树国际公司 | System and method for hybrid course instruction |
| CN103957371B (en) * | 2013-11-29 | 2017-04-19 | 中国航空无线电电子研究所 | Intelligent and visual video recording and controlling device |
| CN107371044A (en) * | 2016-09-12 | 2017-11-21 | 猫范（北京）科技有限公司 | Electronic equipment interactive method, electronic equipment, user terminal and server |
| CN107370982A (en) * | 2017-08-15 | 2017-11-21 | 北京北纬天辰科技有限公司 | Tele-conferencing system based on electronic whiteboard |
| CN108874348A (en) * | 2018-07-10 | 2018-11-23 | 众安信息技术服务有限公司 | A kind of resource broadcast control system and method |
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