| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 06/01/2011 | CN101252682B Interactive digital television front end high unvoiced sound video interface system |
| 06/01/2011 | CN101188725B Image display apparatus and method for supplying xlet |
| 06/01/2011 | CN101171838B 口形同步修正装置及口形同步修正方法 Lip-sync lip-sync correction correction device and method |
| 06/01/2011 | CN101166265B An access method for broadband video service |
| 05/31/2011 | US7953159 Receiving apparatus and receiving method |
| 05/31/2011 | US7953112 Variable bandwidth communication systems and methods |
| 05/31/2011 | US7952609 Networked digital security system and methods |
| 05/31/2011 | US7952591 Navigating programming content via multi-dimensional surfaces |
| 05/31/2011 | CA2469402C Disk driver cluster management of time shift buffer with file allocation table structure |
| 05/31/2011 | CA2416592C Method and device for providing speech-to-text encoding and telephony service |
| 05/27/2011 | CA2722584A1 Method, system and computer program for distributing alternate versions of content |
| 05/26/2011 | US20110126227 Methods and systems for forced advertising |
| 05/26/2011 | US20110126107 Closed caption tagging system |
| 05/26/2011 | US20110125782 Method and apparatus for providing personalized supplemental programming |
| 05/26/2011 | US20110122946 Electronic system and method for selectively allowing access to a shared memory |
| 05/26/2011 | CA2722553A1 Video decoder and method for motion compensation for out-of-boundary pixels |
| 05/25/2011 | EP2326099A2 Method for Changing Play Mode, Method for Changing Display Mode, and Display Apparatus and 3D Image Providing System using the Same |
| 05/25/2011 | EP2326089A2 Method and system for providing an interactive content player |
| 05/25/2011 | EP2326088A1 Image encrypting/decrypting system and method |
| 05/25/2011 | EP2326087A1 Delivering targeted assets to subscribers |
| 05/25/2011 | EP2326085A1 Signal processing device and signal processing method |
| 05/25/2011 | EP2326035A1 Treatment method involving a message security module for controlling access to content and associated security module |
| 05/25/2011 | EP2324634A1 Server-based program recording scheduling |
| 05/25/2011 | EP2324632A1 Video control apparatus and control method for video control apparatus |
| 05/25/2011 | EP2324631A1 Video branching |
| 05/25/2011 | EP2324630A2 Method and apparatus for managing digital rights management module |
| 05/25/2011 | CN201846449U Large-screen IP (internet protocol) video stream access device |
| 05/25/2011 | CN201846448U Decoder for receiving direct broadcast satellite (DBS) NDS-CA (conditional access) encryption programs |
| 05/25/2011 | CN201846447U Device capable of realizing standby and awakening state of set top box by utilizing single chip computer |
| 05/25/2011 | CN201846446U 数字机顶盒 Digital set-top box |
| 05/25/2011 | CN201846445U Multifunctional digital television control system based on RF4CE (radio frequency for consumer electronics) protocol |
| 05/25/2011 | CN201845543U Audio-video on-demand system |
| 05/25/2011 | CN1901637B Remote-control system, remote controller, remote-control method, information-processing device, information-processing method |
| 05/25/2011 | CN1846399B Digital content protection system and method |
| 05/25/2011 | CN1735194B Device pairing |
| 05/25/2011 | CN1516939B Method and apparatus to send feedback from clients to server in content distribution broadcast system |
| 05/25/2011 | CN102077604A System for proactively troubleshooting set top box issues |
| 05/25/2011 | CN102077603A Information displaying device and information displaying method |
| 05/25/2011 | CN102077602A Interval based ad insertion used for the delivery of video streams |
| 05/25/2011 | CN102077592A Methods and apparatuses for selective data encryption |
| 05/25/2011 | CN102077548A Alternative mechanism to associate supplemental/advertising information with multimedia programs |
| 05/25/2011 | CN102075984A System and method for optimizing video service transmission of wireless local area network |
| 05/25/2011 | CN102075818A Method for processing intelligent personal television (IPTV) network television data of global system for mobile communication (GSM) mobile phone |
| 05/25/2011 | CN102075817A Method and system for forwarding audio and video data |
| 05/25/2011 | CN102075816A Display control system, display control device, and display control method |
| 05/25/2011 | CN102075815A Multi-user television and management method thereof |
| 05/25/2011 | CN102075814A Television system for recording growth process of baby |
| 05/25/2011 | CN102075813A Reliable and non-manipulatable processing of data streams in a receiver |
| 05/25/2011 | CN102075812A Data receiving method and system of digital television |
| 05/25/2011 | CN102075811A System and method for self-checking of set-top box |
| 05/25/2011 | CN102075810A Digital set top box system with wireless telephone function and communication method thereof |
| 05/25/2011 | CN102075809A Daughter card activating method for set-top box |
| 05/25/2011 | CN102075808A Method for realizing multi-conditional access (CA) coexistence in set top box |
| 05/25/2011 | CN102075807A Digital television program searching method, and digital television receiving terminal and transmission system |
| 05/25/2011 | CN102075806A Audio and video synchronization method of digital television |
| 05/25/2011 | CN102075805A Bright color adjusting method, digital television receiving terminal and front-end server |
| 05/25/2011 | CN102075804A Method and device for acquiring SI data |
| 05/25/2011 | CN102075803A Method for synchronously playing video and audio |
| 05/25/2011 | CN102075802A Method for realizing secure communication between set-top box and intelligent card |
| 05/25/2011 | CN102075801A Set top box, automatic rescue system and automatic rescue method using set top box |
| 05/25/2011 | CN102075800A File play control method and system based on interactive personnel television set top box |
| 05/25/2011 | CN102075799A Set top box system capable of realizing video telephone function in cable television network |
| 05/25/2011 | CN102075798A TS stream-based delayed playing method |
| 05/25/2011 | CN102075797A Channel or program voice browsing method and digital television receiving terminal |
| 05/25/2011 | CN102075796A Set top box-based usability testing method |
| 05/25/2011 | CN102075795A Method and system for releasing focus television programs |
| 05/25/2011 | CN102075794A Method and apparatus for measuring delay within a compressed digital stream |
| 05/25/2011 | CN102075793A Method and system for sending network streaming media data and streaming media server |
| 05/25/2011 | CN102075792A Video file playing method and system, user equipment and server equipment |
| 05/25/2011 | CN102075791A Program information distribution apparatus, program information distribution method, program and program information distribution system |
| 05/25/2011 | CN102075790A Method for distributing and encrypting streaming media |
| 05/25/2011 | CN102075728A Method and system for sharing audio and/or video data |
| 05/25/2011 | CN102075706A Automatic television awakening method, circuit and television |
| 05/25/2011 | CN102075704A Transmitting equipment combined concrete rectangular open caisson basin of CMMB (China Mobile Multimedia Broadcasting) mobile video transmission system and construction method thereof |
| 05/25/2011 | CN102075696A Signal acquisition, transmission, signal editing and integration, broadcasting and viewing method and system |
| 05/25/2011 | CN102075312A Video service quality-based hybrid selective repeat method |
| 05/25/2011 | CN102073827A Method for ensuring security of set-top box application program |
| 05/25/2011 | CN102073674A Information processing apparatus, bookmark setting method, and program |
| 05/25/2011 | CN102073625A Method for generating serial number files of set-top box |
| 05/25/2011 | CN101764994B Long-distance karaoke implanting method and system based on Internet protocol television networks |
| 05/25/2011 | CN101588473B Multimedia time shifting broadcasting method and system |
| 05/25/2011 | CN101557500B Method for monitoring IPTV user behaviors and system thereof |
| 05/25/2011 | CN101527805B Network system, receiving apparatus and method, recording and reproducing apparatus and method |
| 05/25/2011 | CN101521735B Set-top box software encipherment protection method and system |
| 05/25/2011 | CN101518077B Digital broadcast reception device |
| 05/25/2011 | CN101448139B A P2P network based digital media program order method |
| 05/25/2011 | CN101437143B Encipher apparatus for image and sound transmission |
| 05/25/2011 | CN101415086B Method and apparatus for rapidly searching television program information |
| 05/25/2011 | CN101365101B Ciphering channel playing method and set-top box |
| 05/25/2011 | CN101287105B Load balancing method and apparatus for edge EPG server, implementing method for user login |
| 05/25/2011 | CN101267571B A reuse device and method |
| 05/25/2011 | CN101267265B A terminal for access to history channel and method for access to history channel |
| 05/25/2011 | CN101222625B Method and system for implementing IPTV multi-format mixed channel time shifting |
| 05/25/2011 | CN101184274B Method of implementing mobile terminal condition reception |
| 05/25/2011 | CN101155296B Method for transmitting data |
| 05/25/2011 | CN101146209B A method and system for program stream secret key encryption in mobile multi-media broadcasting service |
| 05/25/2011 | CN101141556B Method for controlling automatic channel setup, and image display apparatus incorporating the same |
| 05/24/2011 | USRE42399 Method of converting audio data for a portable device and reproducing the converted audio data |
| 05/24/2011 | US7950037 Wireless entertainment system |
| 05/24/2011 | US7950033 Utilization of relational metadata in a television system |