| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 08/03/2011 | CN102143383A Program broadcasting management system |
| 08/03/2011 | CN102143382A Apparatus and method for providing in a terminal a pause function for a broadcast stream |
| 08/03/2011 | CN102143381A Preventing the use of modified receiver firmware in receivers of a conditional access system |
| 08/03/2011 | CN102143380A Content provision control method, content provision control device and content provision control system for content transmission network |
| 08/03/2011 | CN102143375A Method, equipment and system for delimiting fault of IPTV multicast service |
| 08/03/2011 | CN102143367A Method, device and system for checking error correction |
| 08/03/2011 | CN102143340A Method and system for displaying information on television screen through set top box |
| 08/03/2011 | CN102143337A Television menu customization method and television menu customization system |
| 08/03/2011 | CN102143182A Internet-based digital television multimedia information making, examination and publishing system |
| 08/03/2011 | CN102143170A Method for protecting digital content |
| 08/03/2011 | CN102143154A Method for preventing attack on media server and media server |
| 08/03/2011 | CN102143145A Media data recording and providing methods and devices |
| 08/03/2011 | CN102143132A Frequency channel switching method, switching agency, client and terminal for stream media |
| 08/03/2011 | CN102143130A Method, device and system for acquiring key information in rapid channel switching |
| 08/03/2011 | CN102141926A Application program management method, device and digital television set top box |
| 08/03/2011 | CN101594541B Seamless switch among multiplexing random access units in multi-media stream at multi-angle perspective |
| 08/03/2011 | CN101594530B Seamless switch among multiplexing random access units in multi-media stream at multi-angle perspective |
| 08/03/2011 | CN101594513B Program ordering method of conditional access system, conditional access system front-end and terminal |
| 08/03/2011 | CN101584207B Apparatus and method for displaying electronic program guide |
| 08/03/2011 | CN101583012B Method for realizing two-stage condition receiving system and front end and final end of two-stage condition receiving system |
| 08/03/2011 | CN101521553B Method which is based on terminal equipment of point-to-point transmission protocol and used for providing data fragment of data file for other peer terminal equipment and device thereof |
| 08/03/2011 | CN101505417B Time-stamp addition apparatus and time-stamp addition method |
| 08/03/2011 | CN101473654B 媒体频道管理 Media Channel Management |
| 08/03/2011 | CN101406063B Method for transmitting digital broadcasting signal in advanced-VSB (A-VSB) system in which transport packet without adaptation field is provided at fixed location in data field slices |
| 08/03/2011 | CN101383949B System for programme selection by remote access link to record and related method |
| 08/03/2011 | CN101247502B Digital multimedia broadcasting system and authorization method thereof |
| 08/03/2011 | CN101132528B Metadata reproduction apparatus, metadata delivery apparatus, metadata search apparatus, metadata re-generation condition setting apparatus |
| 08/03/2011 | CA2753118A1 Portable display device, game system, and game process method with game image transmission |
| 08/02/2011 | US7992211 Method and device for authorising conditional access |
| 08/02/2011 | US7992186 Broadcasting receiver and volume control method thereof |
| 08/02/2011 | US7992176 Apparatus and method for effectively implementing a wireless television system |
| 08/02/2011 | US7992166 Providing alternative services based on receiver configuration and type of display device |
| 08/02/2011 | US7990479 Communication system and communication method |
| 08/02/2011 | CA2432445C Method for storing encrypted data |
| 08/02/2011 | CA2183257C Subtitling transmission system |
| 07/28/2011 | WO2011090715A2 Edge server for format-agnostic streaming architecture |
| 07/28/2011 | WO2011090663A2 Method, apparatus, and system for simultaneously previewing contents from multiple protected sources |
| 07/28/2011 | WO2011090288A2 Electronic device and operating method of the same |
| 07/28/2011 | WO2011090287A2 Electronic device and operating method of the same |
| 07/28/2011 | US20110185380 Secure Distribution of Video On-Demand |
| 07/28/2011 | US20110185019 Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner |
| 07/28/2011 | US20110182563 Method and apparatus for providing subsidiary data synchronous to primary content data |
| 07/28/2011 | US20110181612 Method and apparatus for wireless image transmission to a projector |
| 07/27/2011 | EP2348727A1 Digital broadcast reception device and digital broadcast reception method |
| 07/27/2011 | EP2348724A2 Electronic program guide with video-on-demand functionality |
| 07/27/2011 | EP2347598A2 Receiving system and method of processing data |
| 07/27/2011 | EP2347589A2 Decoding apparatus, decoding method, and computer-readable storage medium |
| 07/27/2011 | EP2347588A1 Timestamping a data stream in a single frequency network |
| 07/27/2011 | EP2347574A1 Apparatus and method for adjustment of video settings |
| 07/27/2011 | EP2347343A1 System and method for translating timed text in web video |
| 07/27/2011 | EP1627529B1 Method for managing variations in a data flow rate |
| 07/27/2011 | EP1489525B1 Information processing apparatus and method |
| 07/27/2011 | EP1197082B1 Methods and apparatus for broadcasting interactive advertising using remote advertising templates |
| 07/27/2011 | EP1066722B1 Method and system for broadcast transmission of media objects |
| 07/27/2011 | CN201910895U IPQAM realizing device capable of utilizing resources flexibly and sufficiently |
| 07/27/2011 | CN201910892U Rapidly started television with Android operating system |
| 07/27/2011 | CN201910891U Mobile internet equipment with digital television |
| 07/27/2011 | CN201910890U Set top box device with triple-network integration function |
| 07/27/2011 | CN201910889U Set-top box capable of repelling mosquitoes |
| 07/27/2011 | CN201910888U Set-top box for leaving message and message leaving system |
| 07/27/2011 | CN201910887U Set-top box |
| 07/27/2011 | CN201910886U Set-top box supporting two-way program output |
| 07/27/2011 | CN201910885U Wireless digital set-top box with LED (light-emitting diode) lattice screen output |
| 07/27/2011 | CN201910884U CA (communication automation) system, front end, pay-television system and terminal safety device |
| 07/27/2011 | CN201910883U Multi-media wireless distributer and receiving terminal and network system of multi-media wireless distributer |
| 07/27/2011 | CN201910528U Connector device for IC (Integrated Circuit) card seat of digital STB (Set Top Box) |
| 07/27/2011 | CN1829333B Method for generating information signal to be recorded |
| 07/27/2011 | CN102138336A Moving-picture image data-distribution method |
| 07/27/2011 | CN102137336A Method and device of service transmission |
| 07/27/2011 | CN102137309A Method for processing digital television terminal oriented content descriptive language |
| 07/27/2011 | CN102137308A Method and device for making and playing inter-cut scenes in film |
| 07/27/2011 | CN102137307A Service entry addressing method, related terminal and system |
| 07/27/2011 | CN102137306A Method and device for displaying web content on television |
| 07/27/2011 | CN102137305A Method for remotely controlling startup picture of television |
| 07/27/2011 | CN102137304A Television signal transmission method, set top box and television |
| 07/27/2011 | CN102137303A Content reproduction system and method to realize the same |
| 07/27/2011 | CN102137302A Method and device for playing video contents of streaming media |
| 07/27/2011 | CN102137301A Method and device for accessing reference service |
| 07/27/2011 | CN102137300A Set top box and program watching method and device based on set top box |
| 07/27/2011 | CN102137299A Multimedia business realizing method and digital television receiving terminal |
| 07/27/2011 | CN102137298A Method and device for acquiring three-dimensional (3D) format description information |
| 07/27/2011 | CN102137297A Data detection method based on digital set top box |
| 07/27/2011 | CN102137296A Wireless upgrade method for set top boxes and control terminal thereof |
| 07/27/2011 | CN102137295A Digital television capable of obtaining network files and method for obtaining network files |
| 07/27/2011 | CN102137294A Receiving terminal of digital television and method and device for controlling upgrade thereof |
| 07/27/2011 | CN102137293A Resource allocation method, user business terminal and head end system of streaming media service |
| 07/27/2011 | CN102137292A Service processing method, system and set top box |
| 07/27/2011 | CN102137291A Advertisement selecting method and Internet protocol television (IPTV) platform |
| 07/27/2011 | CN102137290A Method and apparatus for time-based charging for broadcast-multicast services (Bcmcs) in a wireless communication system |
| 07/27/2011 | CN102137289A Computational efficiently obtaining a control word in a receiver using transformations |
| 07/27/2011 | CN102137288A Method for realizing carousel services and carousel server |
| 07/27/2011 | CN102137287A Television system capable of providing three-screen seamless fusion service |
| 07/27/2011 | CN102137286A Method, device and system for realizing demand service |
| 07/27/2011 | CN102137285A System for interactive application service between digital home and digital television based on interactive services architecture (ISA) |
| 07/27/2011 | CN102137284A Method, device and system for controlling broadcasting of messages |
| 07/27/2011 | CN102137283A Application online deployment method, device and system |
| 07/27/2011 | CN102137282A Method, device, nodes and system for detecting faulted link |
| 07/27/2011 | CN102137281A Method and device for broadcasting requested video file for playing terminal |
| 07/27/2011 | CN102137280A Information transmission method, receiving processing method, front end and transceiving system |
| 07/27/2011 | CN102137279A Method for realizing disconnection continuous playing of on-line video of portable electronic equipment |