| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 03/30/2011 | CN101998154A Multi-computer switcher for transmitting image signals to a plurality of far-end control computers and method thereof |
| 03/30/2011 | CN101998153A Method and device for reporting watched channels based on broadcast mobile multimedia service |
| 03/30/2011 | CN101998152A Heat sink of set top box (STB) |
| 03/30/2011 | CN101998151A Set top box and method for realizing set top box operation by adopting pinyin input |
| 03/30/2011 | CN101998150A CMMB (China Mobile Multimedia Broadcasting) data broadcasting channel based method for slicing front-end data |
| 03/30/2011 | CN101998149A Method for receiving a front-end information source based on CMMB data broadcast channel |
| 03/30/2011 | CN101998148A Method of front end transmission strategy based on CMMB (China Mobile Multimedia Broadcasting) data broadcast channel |
| 03/30/2011 | CN101998147A Transmission method of media data, network-side apparatus and communication system |
| 03/30/2011 | CN101998146A Media recommendation method, media control method and user gateway |
| 03/30/2011 | CN101998145A Content distribution method and system for improving mobile terminal unicast service quality |
| 03/30/2011 | CN101998144A Content management method and system |
| 03/30/2011 | CN101998143A Method for multicasting video data, unicast server and client |
| 03/30/2011 | CN101998142A Method, equipment and system for realizing operation of video cassette recorder |
| 03/30/2011 | CN101998141A Method, device and system for packaging, encoding and decoding video data |
| 03/30/2011 | CN101998140A Method for implementing access and distribution of digital audio/video signal in premise access network |
| 03/30/2011 | CN101998139A Video content transmission method and display device |
| 03/30/2011 | CN101998114A Visual talkback method and system |
| 03/30/2011 | CN101998100A Television channel identification information loading method and television and remote controller thereof |
| 03/30/2011 | CN101998093A Transmission system, reproduction device, transmission method, and program |
| 03/30/2011 | CN101998087A Display device and display method |
| 03/30/2011 | CN101998086A Display device and display method |
| 03/30/2011 | CN101998085A Display device and display method |
| 03/30/2011 | CN101998084A Display device and display method |
| 03/30/2011 | CN101996226A Implementation method of multi-data source information browser in set-top box |
| 03/30/2011 | CN101996042A Remote controller, remote control system and program |
| 03/30/2011 | CN101697396B Manufacturing method of F-type connector for exoticmetal contact |
| 03/30/2011 | CN101610389B Guidance information-publishing system for interactive television |
| 03/30/2011 | CN101502111B Synchronized media experience |
| 03/30/2011 | CN101483767B Method and apparatus for recording and playing back content data |
| 03/30/2011 | CN101466030B Set-top box and method for decoding video stream |
| 03/30/2011 | CN101459824B Time shifted television service establishing method and time shifted television media functional entity |
| 03/30/2011 | CN101394493B Method, device for obtaining data and television receiving device |
| 03/30/2011 | CN101297550B Method and arrangement for provided a notification of a change in a service |
| 03/30/2011 | CN101291432B Image processing system, image processing apparatus, image processing method |
| 03/30/2011 | CN101237540B Schedule-table presenting apparatus and schedule-table presenting method |
| 03/30/2011 | CN101207800B Method and system for updating set-top box VOD player |
| 03/30/2011 | CN101207699B Method for upgrading set-top box |
| 03/30/2011 | CN101184205B Program component multiplexing and recognizing method |
| 03/30/2011 | CN101068348B Decoder/coder compound combined engineering machine |
| 03/29/2011 | US7917937 Digital television with subscriber conference overlay |
| 03/29/2011 | US7917934 Method and apparatus for providing subscription-on-demand services for an interactive information distribution system |
| 03/29/2011 | US7917749 Systems and methods for secure transaction management and electronic rights protection |
| 03/29/2011 | US7917696 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 |
| 03/29/2011 | US7917645 Method and apparatus for identifying media content presented on a media playing device |
| 03/29/2011 | US7916865 Dynamically shifting control word |
| 03/29/2011 | CA2714267A1 Provisioning a set-top box |
| 03/29/2011 | CA2578974C Digital broadcast signal, digital television receiver, and method of processing digital broadcast signal |
| 03/24/2011 | WO2011032276A1 Buffering content on a handheld electronic device |
| 03/24/2011 | US20110072268 Server apparatus, license distribution method, and content reception apparatus |
| 03/24/2011 | US20110072054 Multimedia Service System Based on User History |
| 03/24/2011 | US20110069864 Steganographic method and device |
| 03/23/2011 | EP2299729A1 Data structure, recording medium, reproducing device, reproducing method, program, and program storage medium |
| 03/23/2011 | EP2299713A1 System and method for enhanced broadcasting and interactive television |
| 03/23/2011 | EP2299709A2 Display apparatus and driving method thereof |
| 03/23/2011 | EP2299708A2 Encryption keys |
| 03/23/2011 | EP2299706A1 A method and terminal for producing and applying electronic service guide information |
| 03/23/2011 | EP2299699A2 Image processing apparatus and controlling method of the same |
| 03/23/2011 | EP2299691A2 Image processing apparatus and image processing method |
| 03/23/2011 | EP2299375A2 Systems and methods for restriping files in a distributed file system |
| 03/23/2011 | EP2297938A2 Monitoring access to protected audiovisual content |
| 03/23/2011 | EP1504596B1 High-resolution image projection |
| 03/23/2011 | EP1342365B1 Method and apparatus for displaying an object in a panorama window |
| 03/23/2011 | CN201774639U Experiment system of digital television |
| 03/23/2011 | CN201774638U Intelligent household acoustic control set-top box system |
| 03/23/2011 | CN201774637U Network television and network television medical diagnosis system |
| 03/23/2011 | CN201774636U Set-top box and communication system thereof |
| 03/23/2011 | CN201774635U Circuit for eliminating jitter of key switch and device thereof |
| 03/23/2011 | CN201773496U Intelligent bus stop sign and system for realizing same |
| 03/23/2011 | CN201767432U Set top box cabinet |
| 03/23/2011 | CN1984153B Packet based media delivery system with community channel manager |
| 03/23/2011 | CN1748419B Method of distributing scrambled services and/or data |
| 03/23/2011 | CN1669320B Content receiving apparatus |
| 03/23/2011 | CN101990766A Server device, terminal device, reproduction device |
| 03/23/2011 | CN101990765A Method and apparatus for reproducing content |
| 03/23/2011 | CN101990661A Communication device, communication system, image presentation method, and program |
| 03/23/2011 | CN101990131A Method, device and system for realizing uniform continuity of video service |
| 03/23/2011 | CN101990130A Method for receiving advertisement by cable digital television set-top box |
| 03/23/2011 | CN101990129A Receiving system and method |
| 03/23/2011 | CN101990128A Object carousel method and device as well as object carousel downloading method and device |
| 03/23/2011 | CN101990127A Information processing apparatus, information processing method, information processing system and program thereof |
| 03/23/2011 | CN101990126A Method for spotting advertisement in dynamic switching of internet on-demand or live broadcast signals |
| 03/23/2011 | CN101990125A Method for dynamically capturing screen of digital television in real time |
| 03/23/2011 | CN101990124A Handheld television receiving device, system and method thereof |
| 03/23/2011 | CN101990123A Set top box device and method for realizing triple play function |
| 03/23/2011 | CN101990122A Set top box surfing the net through coaxial cable and supporting wireless network |
| 03/23/2011 | CN101990121A Set-top box and method for playing quasi video-on-demand |
| 03/23/2011 | CN101990120A Method and device for transferring signals |
| 03/23/2011 | CN101990119A Music video server and music video personalized setting method thereof |
| 03/23/2011 | CN101990118A Portable equipment for recording operation process of user |
| 03/23/2011 | CN101990117A Data acquisition terminal |
| 03/23/2011 | CN101990116A Digital set top box (STB)-based payment method and system |
| 03/23/2011 | CN101990115A Method for realizing enhanced mobile phone digital content copyright technology |
| 03/23/2011 | CN101990114A Interactive service method and interactive service system combined with security network |
| 03/23/2011 | CN101990113A Content uplinking method and content delivery functional entity |
| 03/23/2011 | CN101990112A Internet request signal dynamic switching method |
| 03/23/2011 | CN101990111A Message pushing method and system for internet protocol television system |
| 03/23/2011 | CN101990110A Interactive system and method of mobile multimedia broadcasting |
| 03/23/2011 | CN101989442A Multimedia mobile system and multimedia playing method |
| 03/23/2011 | CN101989364A Set top box (STB)-based household door control device |
| 03/23/2011 | CN101989253A Discrete cosine conversion circuit and image processing device using same |