CN111464839A - Main and auxiliary screen system capable of displaying auxiliary information - Google Patents
Main and auxiliary screen system capable of displaying auxiliary information Download PDFInfo
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- CN111464839A CN111464839A CN202010184736.4A CN202010184736A CN111464839A CN 111464839 A CN111464839 A CN 111464839A CN 202010184736 A CN202010184736 A CN 202010184736A CN 111464839 A CN111464839 A CN 111464839A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Digital Computer Display Output (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention relates to the field of display screens, discloses a main and auxiliary screen system capable of displaying auxiliary information, solves the problem that the traditional main screen and auxiliary screen must be simultaneously networked to set correct IP and dns, and adopts the technical scheme that the system comprises a server module; the main screen main body comprises a main screen data receiving module, a main screen data processing module and a main screen UI display module; the main screen data receiving module receives data provided by the server module; the main screen data processing module processes data; the main screen UI display module is used for displaying data processed by the main screen data processing module in real time; the auxiliary screen main body comprises an auxiliary screen data receiving module and an auxiliary screen UI display module; the auxiliary screen data receiving module receives the data processed by the main screen data processing module through Socket communication and sends the data to the auxiliary screen UI display module for display, so that the communication is established between the main screen main body and the auxiliary screen main body, only the main screen is required to be connected with a network, and the use of a user is facilitated.
Description
Technical Field
The invention relates to the field of display screens, in particular to a main and auxiliary screen system capable of displaying auxiliary information.
Background
With the wide spread of the internet and the further development of the large-screen network television display, the sub-screen and small-screen display become the mainstream of the market. The communication between the screens in the past is established under the condition that both the screens have network ports and are already networked, and the defects of the communication mode are as follows: 1. the IP and the dns of the auxiliary screen need to be correctly set, the correct setting of the IP and the dns is a precondition for communication between the IP and the dns, and in some cases, the IP and the dns may fail to be set due to an extremely low probability problem, and the IP and the dns cannot communicate; 2. after each power-off switch-on and switch-off, the IP and dns of the auxiliary screen need to be reset, which results in that a short time is used for setting the IP and dns related to the auxiliary screen each time the switch-on and switch-off are carried out, and communication cannot be carried out.
Disclosure of Invention
The invention aims to provide a main and auxiliary screen system capable of displaying auxiliary information, which can achieve the aim that an auxiliary screen main body is free of network connection, communication between the main screen main body and the auxiliary screen main body only needs to be established through the main screen connection network, once communication is established, information is transmitted efficiently, accurately and quickly, the main screen main body and the auxiliary screen main body are interconnected and communicated, and data are shared without boundaries.
The technical purpose of the invention is realized by the following technical scheme: a primary-secondary screen system capable of displaying secondary information, comprising:
the server module is used for providing data for the main screen main body;
the main screen main body comprises a main screen data receiving module, a main screen data processing module and a main screen UI display module; the main screen data receiving module receives data provided by the server module; the main screen data processing module processes the data received by the main screen data receiving module; the main screen UI display module is used for displaying the data processed by the main screen data processing module;
the auxiliary screen main body comprises an auxiliary screen data receiving module and an auxiliary screen UI display module; and the auxiliary screen data receiving module receives the data processed by the main screen data processing module through Socket communication and sends the data to the auxiliary screen UI display module for display.
As a preferred embodiment of the present invention, the main screen body and the sub-screen body set the same IP and DNS when establishing Socket communication connection, so that the main screen body and the sub-screen body are in the same local area network.
As a preferred embodiment of the present invention, the applications of the main screen body and the sub-screen body both use a connection mode of a heartbeat mechanism.
As a preferred embodiment of the present invention, when the data provided by the server module is processed by the main screen data processing module, the processed data is displayed by the main screen UI display module, and the processed data is transmitted to the sub-screen data receiving module in the same lan through socket communication, and the sub-screen data receiving module receives the processed data and displays the received data by the sub-screen UI display module.
As a preferred embodiment of the present invention, the main screen body is connected to a network, and the sub-screen body and the main screen body send syn and ack responses through 3-way handshake of Socket communication, thereby obtaining information sent by the main screen body in time when the sub-screen body is not connected to the network.
As a preferred embodiment of the present invention, when the sub-screen main body is communicatively connected to the main screen main body through Socket, an executing application program included in the sub-screen main body stores setting information in a sub-screen memory of the sub-screen main body through a shared reference.
As a preferred embodiment of the present invention, the sub-screen main body transmits the state information to the main screen main body through Socket communication, and the user sets the sub-screen main body through the main screen main body, so that the sub-screen main body displays auxiliary information data required by the user.
As a preferred embodiment of the present invention, the operating systems that the server module, the main screen main body, and the auxiliary screen main body can run include L inux operating system and Android operating system
In conclusion, the invention has the following beneficial effects: the main screen main body and the auxiliary screen main body are in communication connection through Socket, and data are mutually transmitted and shared on the basis of the communication connection, so that the main screen main body and the auxiliary screen main body can be interconnected and intercommunicated to achieve integrity, communication is established between the main screen main body and the auxiliary screen main body only by the main screen main body being connected with a network, the Socket communication mode is stable and efficient, huge data interaction can be supported, and the transmission of information between the main screen main body and the auxiliary screen main body can be more efficient, accurate and rapid; the main screen main body and the auxiliary screen main body can be used for information display, and another information reading way is provided for a user through the information display of the auxiliary screen.
Drawings
FIG. 1 is a system diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a main-sub screen system capable of displaying auxiliary information, including a server module, a main screen main body, and a sub-screen main body, where the server module, the main screen main body, and the sub-screen main body may run operating systems including, but not limited to, L inux operating system and Android operating system;
the server module is used for providing data for the main screen main body;
the main screen main body comprises a main screen data receiving module, a main screen data processing module and a main screen UI display module; the main screen data receiving module receives data provided by the server module; the main screen data processing module processes the data received by the main screen data receiving module and sends the data to the main screen UI display module for display;
the auxiliary screen main body comprises an auxiliary screen data receiving module and an auxiliary screen UI display module; and the auxiliary screen data receiving module receives the data processed by the main screen data processing module through Socket communication and sends the data to the auxiliary screen UI display module for display.
The working process of the system is as follows: as shown in fig. 1, firstly, a server module provides data for a main screen main body, then a main screen data receiving module of the main screen main body receives the data, the main screen data processing module processes the data after receiving the data, the processed data are sent to a main screen UI display module, the main screen UI module displays the data, and meanwhile, an auxiliary screen receiving module of an auxiliary screen main body receives the data processed by the main screen data processing module through Socket communication and sends the data to an auxiliary screen UI display module for displaying; thereby realizing the simultaneous display of the main screen main body and the auxiliary screen main body;
the main screen main body and the auxiliary screen main body are in communication connection through Socket, and data are mutually transmitted and shared on the basis of the communication connection, so that the main screen main body and the auxiliary screen main body can be interconnected and intercommunicated to achieve integrity, the Socket communication mode is stable and efficient, huge data interaction can be supported, and the information transmission between the main screen main body and the auxiliary screen main body can be more efficient, accurate and rapid;
the main screen main body and the auxiliary screen main body can be used for information display, and another information reading way is provided for a user through the information display of the auxiliary screen.
Specifically, the same IP and DNS are set in the main screen body and the auxiliary screen body when Socket communication connection is established, so that the main screen body and the auxiliary screen body can transmit data, the main screen body and the auxiliary screen body are positioned under the same local area network, and the Socket communication is used for completing interconnection and intercommunication of the main screen body and the auxiliary screen body, so that integration is achieved;
specifically, when the main screen data processing module processes data provided by the server module, the data is displayed for the main screen UI display module, processed data is transmitted to the auxiliary screen data receiving module under the same local area network through socket communication, the auxiliary screen data receiving module receives the data and displays the data through the auxiliary screen UI display module, the auxiliary screen main body can display the main screen UI display module, the processed data of the main screen data processing module are received, the data are displayed for the auxiliary screen UI display module, the data can be displayed in the shortest time, and the information can be displayed more quickly and efficiently.
Specifically, the main screen body is connected with the network, syn and ack responses are sent between the auxiliary screen body and the main screen body through 3-time handshaking of Socket communication, ack establishment connection is determined when Socket communication is performed for the last time, the service end calls the accept at the moment, the connection established before is taken out from the connection queue and returned, and therefore under the condition that the auxiliary screen body is not connected with the network, information sent by the main screen body is obtained in time, and therefore the IP and the DNS do not need to be reset even when the auxiliary screen body and the main screen body are opened after being closed, and direct connection can be achieved.
Specifically, when the auxiliary screen main body is in Socket communication connection with the main screen main body, after the auxiliary screen main body is lightened, an execution application program contained in the auxiliary screen main body can store the setting information in an auxiliary screen memory of the auxiliary screen main body through a shared reference, the auxiliary screen main body actively sets information such as local ip and dns, the stored information cannot disappear due to power failure, the power failure or network disconnection and network fluctuation can be realized in the connection process of the main screen main body without connecting a network, and the ip information setting of the auxiliary screen main body cannot be influenced.
Specifically, the main screen main body and the auxiliary screen main body are connected by a heartbeat mechanism, when the main screen main body is connected with a power supply, because the built-in application program is started and the service of the application program is started at the same time, the service is the 'heartbeat' transmission of the main screen main body, the heartbeat sends connection information to the sub-screen every 1 second, the interval of the heartbeat can be set according to actual use, once the main body of the sub-screen is lightened, since ip is in the shared prediction where the sub-screen exists, the automatic setting fails, a reception "heartbeat" service is immediately initiated, which listens to the connection information transmitted by the main screen main body, because the connection request of the main screen main body is transmitted through the service every 1 second, the sub-screen main body immediately receives the heartbeat once the service is started, therefore, the secondary ip setting is carried out until the ip and dns setting is successful, and the heartbeat mechanism is the guarantee that the function can be correctly and quickly realized.
Specifically, the auxiliary screen main body transmits the state information to the main screen main body through Socket communication, the user sets the auxiliary screen main body through the main screen main body, the display content of the auxiliary screen main body can be set by the user, so that the auxiliary screen main body displays auxiliary information data required by the user, and user experience is improved.
According to a specific embodiment, the main screen main body can be a television main screen, the auxiliary screen main body can be a television auxiliary screen, the advantage that the main screen and the auxiliary screen are combined is utilized, the user experience of a common user in using a television is greatly improved, the main screen and the auxiliary screen are arranged on the display content, key information of the television main screen is displayed for the user more visually, the main screen is ensured to be in an AI standby state, namely the main screen main body is not displayed, visual communication can still be carried out on the main screen and the user, and the user can still carry out interaction and data transmission through the auxiliary screen even under the condition that the television AI is in standby, so that a good visual communication medium is provided for an intelligent family.
In addition, the communication principle of the main screen body and the auxiliary screen body aims at data sharing of one screen and the other screen, so that all things can display information required for sharing as long as the screens are available; the service cross-client message transmission mechanism is used for communication between ip and socket, so that the method is not only suitable for transmitting information from one screen to one screen, but also suitable for transmitting information from one screen to a plurality of screens, and only the displayed screens are required to be provided with related apks, so that a one-to-many displayed use scene can be realized; and each used scene can be obtained through http request or local sqlite storage by the main screen main body, and the information of each sub-screen main body is obtained through communication and then customized, so that the customization requirements of any scene or customer are met, and the method is not limited to an interactive scene of a television.
Therefore, the message transmission mechanism of the main screen and the auxiliary screen can be widely applied to our lives, such as: hotel scenes: the hotel lobby (main screen main body) displays room information, and each room (a plurality of auxiliary screen main bodies) of the hotel displays the room information and the information required by the lobby, so that the room entering and the lobby service are clear at a glance, and the operation of clicking the screen can be carried out automatically. Supermarket scene: the supermarket center (main screen main body) displays the selling condition of commodity information at each position, the snack area (auxiliary screen main body), the vegetable area (auxiliary screen main body) and the meat area (auxiliary screen main body) display respective selling conditions, so that the selling condition of commodities and whether goods are needed to be replenished can be directly displayed and operated through a screen, and the like.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A main and auxiliary screen system capable of displaying auxiliary information is characterized in that: the method comprises the following steps:
the server module is used for providing data for the main screen main body;
the main screen main body comprises a main screen data receiving module, a main screen data processing module and a main screen UI display module; the main screen data receiving module receives data provided by the server module; the main screen data processing module processes the data received by the main screen data receiving module; the main screen UI display module is used for displaying the data processed by the main screen data processing module;
the auxiliary screen main body comprises an auxiliary screen data receiving module and an auxiliary screen UI display module; and the auxiliary screen data receiving module receives the data processed by the main screen data processing module through Socket communication and sends the data to the auxiliary screen UI display module for display.
2. The main and sub-screen system capable of displaying auxiliary information as claimed in claim 1, wherein: the main screen main body and the auxiliary screen main body are provided with the same IP and DNS when Socket communication connection is established, so that the main screen main body and the auxiliary screen main body are in the same local area network.
3. The main and sub-screen system capable of displaying auxiliary information as claimed in claim 1, wherein: and the application programs of the main screen main body and the auxiliary screen main body are connected in a heartbeat mechanism mode.
4. The main and sub-screen system capable of displaying auxiliary information as claimed in claim 2, wherein: when the data provided by the server module are processed by the main screen data processing module, the data are displayed by the main screen UI display module, the processed data are transmitted to the auxiliary screen data receiving module under the same local area network through socket communication, and the data are displayed by the auxiliary screen UI display module after being received by the auxiliary screen data receiving module.
5. The main and sub-screen system capable of displaying auxiliary information as claimed in claim 1, wherein: the main screen main body is connected with a network, and syn and ack responses are sent between the auxiliary screen main body and the main screen main body through 3-time handshaking of Socket communication, so that information sent by the main screen main body is obtained in time under the condition that the auxiliary screen main body is not connected with the network.
6. The main and sub-screen system capable of displaying auxiliary information as claimed in claim 2, wherein: when the auxiliary screen main body is in communication connection with the main screen main body through Socket, an execution application program contained in the auxiliary screen main body stores setting information in an auxiliary screen memory of the auxiliary screen main body through shared reference.
7. The main and sub-screen system capable of displaying auxiliary information as claimed in claim 1, wherein: the auxiliary screen main body transmits the state information to the main screen main body through Socket communication, and the user sets the auxiliary screen main body through the main screen main body so that the auxiliary screen main body can display auxiliary information data required by the user.
8. The main and auxiliary screen system capable of displaying auxiliary information according to claim 1, wherein the operable operating systems of the server module, the main screen main body and the auxiliary screen main body comprise L inux operating system and Android operating system.
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| CN202010184736.4A CN111464839A (en) | 2020-03-17 | 2020-03-17 | Main and auxiliary screen system capable of displaying auxiliary information |
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| CN202010184736.4A CN111464839A (en) | 2020-03-17 | 2020-03-17 | Main and auxiliary screen system capable of displaying auxiliary information |
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| CN113630570A (en) * | 2021-08-05 | 2021-11-09 | 深圳创维－Rgb电子有限公司 | Television receiver |
| CN113784201A (en) * | 2021-10-25 | 2021-12-10 | 康佳集团股份有限公司 | Auxiliary screen device networking processing method and device, intelligent terminal and medium |
| CN115941837A (en) * | 2022-10-24 | 2023-04-07 | 读书郎教育科技有限公司 | Multi-screen terminal and resource management method |
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