41results about How to "Realize multi-screen interaction" patented technology

The invention discloses a multi-screen interaction video and audio content switching method and a media player. The method comprises the following steps: when a screen needs to be switched, connecting source equipment with target equipment; generating video and audio content switching data by use of the current playing position of the recorded current played video and audio, original compressed data stream from the previous key frame of the current playing frame to the tail part of the current playing frame as well as parameters and control information required by coding the current played video and audio; transmitting to the media player of the target equipment according to a multi-screen interaction protocol; switching the data by the media player of the target equipment according to the received video and audio content; and according to the current playing position, continuously playing the video and audio from the previous key frame of the current playing frame. According to the invention, multi-screen interaction can be flexibly realized among all equipment, video and audio pictures can be seamlessly switched, the target equipment is continuously remotely controlled on the source equipment to play, the source equipment is switched back to continuously play, low network bandwidth is occupied, and convenience is provided for users.

The invention discloses a multi-screen projection control method and system and a terminal device. The method comprises the following steps: sending a discovery request from a first device; receiving one or more discovery responses at the first device, wherein the discovery responses are sent from one or more second devices with response to the received discovery request; establishing WFD connection between the first device and the one or more second devices; and transmitting screen data of the first device to the one or more second devices based on the established WFD connection. The beneficial effects are that one-to-many screen projection and sharing can be realized; through the WFD network, dependence on sites can be reduced; and the multi-screen projection control method and system and the terminal device can be applied to scenes of special demands, such as multimedia conference rooms or audio-video function classrooms, realize quick WFD network establishment and realize resource sharing.

The invention discloses a mobile-terminal-based IPTV on-demand system and an on-demand method thereof. The system comprises a mobile terminal and an IPTV intermediary service platform. The mobile terminal includes a register and login module, a program operation module and a video playing module. The IPTV intermediary service platform includes a terminal management server, a service gateway and a payment gateway. The invention further discloses the on-demand method of the on-demand system. According to the invention, a new method of accessing IPTV service is realized by the on-demand technology, i.e., the mobile terminal is used to carry out the IPTV on-demand service, and multiple ways of paying of the IPTV on-demand service are provided by the payment gateway. Besides, in the on-demand system, the mobile terminal can be used to achieve the functions of IPTV remote controller, so that users can enjoy the IPTV service conveniently and quickly, achieving the multi-screen interaction, user customization and functional diversification of the IPTV, and broadening the business area of IPTV service providers.

The invention is suitable for the field of multimedia application, and provides a DLNA (Digital Living Network Alliance)-based digital family interaction method and system and corresponding device. The DLNA-based digital family interaction method comprises the steps that: a mobile device establishes a connection with a media terminal through a DLNA protocol to obtain media transmission protocol information supported by the media terminal; the mobile device establishes a connection with a CDN (Content Distribution Network) cloud end to obtain on-demand information to ensure that the CDN cloud end distributes a matched DLNA cloud end CDN server according to the on-demand information and transmits the corresponding media transmission protocol information to the mobile device; and the media terminal device obtains media transmission protocol information of the matched DLNA cloud end CDN server and establishes a connection with the DLNA cloud end CDN server to obtain media data and play the media data. The method, system and corresponding device disclosed by the invention can be used for realizing multi-screen interaction between the media terminal and the mobile terminal, can be realized on the whole internet without customizing software on the media terminal, and is wide in use range.

Disclosed are a method and a device for implementing multi-screen interaction, which relate to the field of communications technologies, so as to enhance the universality of an existing set-top box STB, where a requesting end and a requested end are located at different networks: the requesting end is a digital video broadcasting (DVB), and the requested end is a non-DVB network terminal; the requesting end is a non-DVB network terminal, and the requested end is a DVB; the requested end corresponds to a first server, and the requesting end corresponds to a second server. The method comprises: the first server receiving an interaction request message sent by the requesting end; if the interaction request message is directly sent through a first interaction channel, the first server forwarding an interaction request message to the requested end through the first interaction channel; if the first server and the second server perform communication in a preset manner, and the interaction request message is forwarded by the second server through a second interaction channel, the first server forwarding the interaction request message to the requested end through the second interaction channel. The present invention is mainly applicable to interaction between a DVB and a non-DVB network terminal.

The invention discloses a multi-screen interaction method and system. The multi-screen interaction method comprises the following steps that: a first terminal acquires currently-displayed content of the first terminal, judges whether the currently-displayed content satisfies a multi-screen interaction condition or not, and sends a multi-screen interaction request to a plurality of second terminals in an interaction terminal list saved in the first terminal if the currently-displayed content satisfies the multi-screen interaction condition, and a prompt indicating that multi-screen interaction cannot be performed is given if the currently-displayed content does not satisfy the multi-screen interaction condition; after reception of the multi-screen interaction request sent by the first terminal, the plurality of second terminals send multi-screen interaction response requests to the first terminal, and the first terminal selects one or more second terminals to connect from the received multi-screen interaction response requests sent by the plurality of second terminals, and determines the selected one or more second terminals as target second terminals for performing the multi-screen interaction; and the first terminal transmits the currently-displayed content to the target second terminals. Through adoption of the multi-screen interaction method and system, the multi-screen interaction condition can be automatically detected to perform a connection, so that the multi-screen interaction is realized, and the intelligence of the multi-screen interaction is enhanced.

The invention discloses a method for carrying out screen shaking to television IPTV contents on the basis of a webpage. When a set top box logs in, an EPG issues a multi-screen interaction interface page URL to the set top box; simultaneously, a terminal user scans a two-dimensional code of a set top box account by a WeChat official account, and is bound with the set top box account; the terminaluser opens a page in the official account, selects copyrighted contents, and clicks on "play"; the page sends such request to a terminal webpage background; the webpage background initiates the registration process to a MES; after registration is passed, an online condition of the corresponding set top box is inquired; if a result that the set top box is online is returned, a screen shaking instruction is sent to the MES; a multi-screen APK receives a screen shaking message, and sends the screen shaking message to third-party set top box middleware by an interface; and the third-party set topbox middleware receives the screen shaking message to process. The method disclosed by the invention is simple and practical, implements multi-screen interaction of the webpage and the television screen IPTV contents, and expands a service operation scene by screen shaking of a HTTP hyperlink.

The invention discloses a multi-screen interaction method, a communication terminal and a server. The method comprises the steps that a first terminal collects identification information of a second terminal and sends the identification information to the server; and multimedia file source information is sent to the server, so the server sends the multimedia file source information to the second terminal according to the identification information and the second terminal plays a multimedia file according to the multimedia file source information. Through application of the mode, the multi-screen interaction among the terminals of different networks can be realized.

The invention relates to the technology of sharing resources of a local area network and provides a multi-screen cooperation and resource sharing method on the basis of the Samba protocol. The multi-screen cooperation and resource sharing method on the basis of the Samba protocol solves the problem that the complexity is high according to an existing mode that the Samba protocol is used in the local area network for achieving resource sharing among devices. According to the technical scheme, the method comprises the steps that when storage class devices, display class devices and intelligent control terminals are started, the IP addresses of all the devices are obtained and set respectively, Samba sharing is carried out on the related resources in the devices respectively, a multi-screen cooperation protocol device discovery function and a multi-screen cooperation protocol device scanning function are started, a user selects the needed sharing resources, sharing resource links are pushed to the display class intelligent devices, the display class intelligent devices visit the related sharing resources on the Samba sharing devices by complying with the Samba protocol and display the related sharing resources, and the intelligent control terminals control the related sharing resources. The multi-screen cooperation and resource sharing method on the basis of the Samba protocol has the advantages that convenience is brought to the user, and the method is suitable for the local area network.

The invention provides a method for playing second terminal data with a first terminal. The method comprises the following steps that: the first terminal including a first operating system publishes an Air Play service through a multicast domain name system, wherein the service comprises a port number; a second terminal including a second operating system performs Air Play connection with the first terminal through the service published by the first terminal; and when the second terminal performs the Air Play connection, the first terminal receives and plays data transmitted via the Air Play connection through a port specified by the port number. Multicast domain name system broadcast is transmitted through the first terminal, so that the second terminal can find the service published by the first terminal and be connected with the first terminal. Thus, multiscreen interaction between the first terminal and the second terminal is realized, and real-time sharing of data such as pictures, audios, videos and mirror images is realized between the first terminal and the second terminal.

The invention relates to a cockpit domain controller system based on an X9 platform and an Xen technology and an application method. The cockpit domain controller system comprises a hardware system and a cockpit domain controller, wherein the cabin area controller comprises a core processor, a DDR chip and an MCU chip. The hardware system, the DDR chip and the MCU chip are electrically connected with the core processor; a Xen Hypervisor and a plurality of operating systems are loaded in the core processor; the core processor carries out CAN communication, signal acquisition and preprocessing through the MCU chip, and the DDR chip controls the hardware system by operating an operating system in the core processor. A plurality of operating systems such as Linux and Android are operated at the same time through virtualization of Xen, information sharing between any screens and non-delay transmission of data and images are achieved, instruments, display screens and the like in a cabin form a whole, construction cost is reduced, and cost performance is improved; the cabin controller system is based on UWB technology digital key system integration, and a vehicle owner can complete vehicle unlocking without taking out a key or a mobile phone.

The invention discloses a method for providing a television channel based on an information network through a video website. The method is characterized by comprising the following steps of: S1, grouping website videos according to contents of the website videos, forming a plurality of television channel special columns based on the information network corresponding to grouping; S2, automatically reading and editing a recommended video chosen for each television channel based on the information network from a CMS (content management system) data source by an API (application programming interface) of the CMS data source; S3, storing the data source of the chosen recommended video by an XML (extensive makeup language) mode; S4, requesting the data source from a CMS service end via a timing script by a television station based on the information network, storing the data into a data table corresponding to the television station based on the information network according to a time order, and S5, selecting and viewing different website videos by switching the television channels based on the information network.

The invention belongs to the technical field of information sharing, and relates to a screen information sharing method, a terminal and a vehicle, and the screen information sharing method comprises the step of associating with at least one display terminal in a wired or wireless mode; receiving a sharing instruction, and obtaining to-be-shared information selected by the sharing instruction; obtaining an identifier of the display terminal corresponding to the sliding direction according to the sliding direction of the sharing instruction; and sending the to-be-shared information to a displayterminal, so that a screen of the display terminal displays the to-be-shared information. Therefore, the screen information sharing method provided by the invention can intelligently select the specific sharing information in the screen, and conveniently and quickly shares the specific sharing information to the display terminal corresponding to the sliding direction through the sliding instruction, thereby improving the experience of user-machine interaction while realizing multi-screen interaction.

The invention discloses a method and a device for providing media related information. A wireless communication module is preset in a playing device, at least one piece of media information and a corresponding relation table are stored in the playing device, and identification information for information related to the media information is saved in the corresponding relation table. The method comprises steps: the communication address information of the wireless communication module is broadcasted; a request sent by a terminal device for acquiring the information related to the currently-playing media information in the playing device is received; according to the corresponding relation table, the identification information for the target related information related to the currently-playing media information is determined; the identification information for the target information is returned through the wireless communication module so as to enable the terminal device to use to the identification information for the target information to acquire the target related information. Thus, the user can acquire other information related to the playing media information in the playing device more conveniently and quickly.

The invention relates to the technical field of communication, and discloses a shared resource push method and apparatus, and an electronic device. The shared resource push method involved in the embodiment of the invention is applied to a source device with a digital media player DMP function; the method comprises the following steps: in a process of playing shared resources, when a push instruction is received, obtaining a push path of a storage position of the shared resources; searching a target device with a digital media render DRM function in a local area network; and when a selection instruction of the target device is received, sending the obtained push path to the selected target device. The invention further discloses the shared resource push apparatus and the electronic device. Compared with the prior art, in the embodiment of the invention, the source device can obtain the push path of the storage position of the shared resources and send the push path so as to realize the push of the shared resources between multimedia devices, and thus the multi-screen interaction operation process is simplified.

The invention provides a device for displaying a multimode application on a vehicle-mounted air conditioner screen. The device comprises: a hardware platform shared by multiple operating systems, andat least one air conditioner screen; a virtual machine manager which runs on the hardware platform; an air conditioner operating system which runs on the virtual machine manager, and a central controlmultimedia entertainment operating system which runs on the virtual machine manager. The virtual machine manager includes: a resource allocation module, a system scheduling module and a display layersuperposition processing module; the display layer superposition processing module is used for superposing the display layer data of the air conditioner operating system and the display layer data ofthe central control multimedia entertainment operating system to form synthesized display layer data, and displaying the synthesized display layer data on the air conditioner screen. The invention further provides a corresponding method. By means of the device and method, information interaction between the air conditioner system and the central control multimedia entertainment system can be achieved on one air conditioner screen, and the internet entertainment ecological function can be achieved.

The invention discloses a vehicle-mounted rear headrest with an interconnection function and an implementation method. The vehicle-mounted rear headrest comprises a rear headrest body, an Acorn RISC machine (ARM) processing system module, a wireless fidelity (WiFi) module, a MirrorLink module and a display screen module, wherein the ARM processing system module is arranged on the rear headrest body; the WiFi module, the MirrorLink module and the display module are all connected with the ARM processing system module; and the WiFi module is communicated with the mobile terminal. Through adoption of the vehicle-mounted rear headrest, bilateral control functions of the mobile terminal and the vehicle-mounted rear headrest are realized; functions such as mobile phone navigation, games, music, Internet access, phone calls and short messages and APP installations can be directly operated on the vehicle-mounted rear headrest; and multi-screen interaction is realized. Original functions are replaced effectively; more smartphone application functions are integrated; the practicability of a vehicle-mounted media system is expanded infinitely; and different use demands can be met.

The invention discloses a multi-screen interaction control method and system and electronic equipment, and the multi-screen interaction control method comprises the steps of obtaining an equipment identifier of a newly accessed screen according to a first callback message transmitted in response to the new access of the screen; controlling a graphic engine to create a corresponding graphic engine instance according to the equipment identifier of the newly accessed screen; transmitting an identifier of the graphic engine instance to a created master interactive service engine instance, so that the master interactive service engine instance derives a slave interactive service engine instance corresponding to the newly accessed screen; and recording a master-slave relationship between the master interactive service engine instance and the slave interactive service engine instance. By adopting the scheme, the universality of a multi-screen interaction technology can be improved.

The invention discloses a data communication method and system for a cloud mobile phone and a real phone, and the method comprises the following steps: S1, building a data channel between the cloud mobile phone and the real phone, starting a video channel after the interaction authentication of the data channel is passed, and building video channel connection; and S2, when data communication is carried out, the cloud mobile phone / real mobile phone obtains communication information to be communicated, data information in the communication information is transmitted to the real mobile phone / cloud mobile phone through the data channel, and video information in the communication information is transmitted to the real mobile phone / cloud mobile phone through the video channel.

The invention discloses an IMS (IP multimedia subsystem)-based digital family interaction education system, comprising a file managing operation module, an interface managing module, a network managing operation module, a drawing managing operation module and a data analysis module; the interface managing module is respectively connected with the file managing operation module, the data analysis operation module, the network managing operation module and the drawing managing operation module; the data analysis operation module is connected with the file managing module and the drawing managing operation module; the file managing operation module is used for managing picture files; the interface managing module is used for the picture interface design of a drawing panel; the drawing managing operation module comprises a drawing tool sub module, an attribute control sub module and a color selecting sub module; the network managing operation module is used for transmitting and analyzing user data information; the data analysis module is used for analyzing user data information. Groups with terminal equipment of other families are established by an IMS network, aims of interaction communication, discussion and study, source sharing are realized and the interaction effect is increased.

The embodiment of the invention discloses a multi-terminal interaction method and a multi-terminal interaction device based on a same webpage application, and a server, used for providing a multi-screen interaction mode for users. The method comprises the steps of respectively building communication connections with a first terminal and a second terminal, thus allowing the first terminal and the second terminal to be capable of executing the same webpage application, wherein the webpage application is the application running in the webpage sever; receiving a first data command sent by the first terminal; processing the first data command to acquire running data of the webpage application; respectively feeding the running data back to the first terminal and the second terminal, thus allowing the first terminal and the second terminal to respectively display running information of the webpage application according to the running data; generating display information of the webpage application according to the running data, and transmitting the display information of the webpage application to a display device corresponding to the webpage server.

The invention relates to the technical field of teaching devices, in particular to an interactive teaching system, which comprises a teaching mechanism, a display mechanism, a writing mechanism and a teaching integrated mechanism, and the teaching mechanism is used for projecting teaching contents, the display mechanism is used for displaying the teaching contents projected by the teaching mechanism, and the writing mechanism is used for writing the teaching contents in a black screen state of the display mechanism, the teaching integrated mechanism is used for being communicated with intelligent equipment, multi-screen interaction and the same-screen memory function are achieved, teaching display pictures are expanded in the teaching process, stroboflash and blue light are reduced, heat radiation is eliminated, the health of teachers and students is protected, the eyesight of the students is protected, the learning effect is improved, and the problems that in the teaching process, board splicing and maintaining are frequent, pictures are small, visibility is low, blue light is generated, and stroboflash is serious, so that the myopia rate of students is high, heat radiation is high, dust is large when a blackboard is erased, the health of teachers and students is affected, and the learning effect is poor are solved.

The invention discloses a learning platform and a traffic police service learning method, which are convenient for a to-be-learned person to learn related courses and can improve the traffic police service handling efficiency; the learning platform is realized based on a mobile network and a home network, the mobile network comprises a mobile terminal, and the home network comprises a television terminal, a set top box and a program signal conversion device. A permission module is installed in the mobile phone terminal; a learning module and an identity recognition module are installed in the set top box; the identity recognition module is correspondingly bound with a personal account of a to-be-learned person, and the permission module is connected with the identity recognition module. The traffic police service learning method comprises the following steps: collecting, identifying and verifying the identity information of the to-be-learned person; entering a video unit to learn traffic police service videos, managing learning time through a time management unit, performing examination through an examination unit, uploading answer information corresponding to examination questions; checking and auditing the answer information through an auditing unit, submitting an auditing result, and querying the auditing result through a result query unit.

The invention relates to a remote real-time interaction method for a refrigeration tank. The remote real-time interaction method comprises a system host and a system slave, and is characterized in that a multi-screen interaction system is realized by using a network technology, so that the systems in the same network can be synchronously operated, and data can be checked.

A double-screen intelligent interaction system comprises a main screen device and an auxiliary screen device. The main screen device comprises a front frame, a back plate, and a main screen Android CPU, a main screen backlight circuit and a main screen power supply circuit which are arranged on the back plate; the auxiliary screen device also comprises a front frame, a back plate, and an auxiliaryscreen Windows CPU, an auxiliary screen backlight circuit and an auxiliary screen power supply circuit which are arranged on the back plate; the main screen and the auxiliary screen are of an integrated structure. The main screen image is expanded to an auxiliary screen and transmitted to an auxiliary screen Windows system through HMDI OUT to achieve the same picture of the main screen and the auxiliary screen; the auxiliary screen Windows system is expanded or copied to the main screen Android system through an HDMI, the main screen and the auxiliary screen can be touched at any position, and the main screen can be annotated or switched to the Android system or the Windows system in any channel. According to the double-screen intelligent interaction system, the watching experience of a user is enhanced, and the display area and the display effect are improved.

The invention discloses a GIS application multi-screen interaction method based on a WebSocket technology. A WebSocket technology is adopted, operations of GIS applications are encoded, and multi-screen interaction between multiple devices and between two different GIS applications developed based on the same map engine is achieved through transmission of a message bus server; particularly, when the GIS application with very high hardware performance requirement of a receiving end is carried out, the control end can use the GIS application with very low hardware requirements to realize multi-screen interaction with the GIS application of the receiving end, so that the GIS application for commanding the operation of receiving end equipment such as a large screen and a high-performance PC can be controlled through mobile phones and panel light mobile equipment, and the GIS multi-screen interaction is not limited by hardware performance.