| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 07/20/2011 | CN102129387A System and method for implementing interconnection of mobile terminals through set-top box |
| 07/20/2011 | CN101677396B Method, system and device for negotiation of media streams of preview channel |
| 07/20/2011 | CN101662651B Method, terminal and system for playing media information |
| 07/20/2011 | CN101656872B Method and system for reducing time delay of switching channels of network TV |
| 07/20/2011 | CN101605252B Method and system for converting program stream into transport stream |
| 07/20/2011 | CN101588474B Video on demand method and system |
| 07/20/2011 | CN101521798B Method and device for switching play modes |
| 07/20/2011 | CN101521732B System and method for remotely controlling set-top box |
| 07/20/2011 | CN101505363B Method of setting mapping between channel number and program number |
| 07/20/2011 | CN101483530B Bill generation method for IP broadband video service |
| 07/20/2011 | CN101438578B Portable electronic devices and methods for updating frequency settings |
| 07/20/2011 | CN101431646B Fast high-efficiency control playing method for cable television VOD system |
| 07/20/2011 | CN101383895B Display processing method and apparatus |
| 07/20/2011 | CN101365099B Telecommunication stage digital video hotel system based on real-time stream media |
| 07/20/2011 | CN101365044B Program information storage and management method for multimedia device and multimedia device |
| 07/20/2011 | CN101296366B Data management method, association contents management terminal and system |
| 07/20/2011 | CN101262668B Method of displaying broadcast channel information and broadcast receiver implementing the same |
| 07/20/2011 | CN101262555B Method and device for calling instant messaging function with a key |
| 07/20/2011 | CN101232600B Device, system and method for providing order program contents |
| 07/20/2011 | CN101075893B Web information processing apparatus and information processing apparatus control method |
| 07/19/2011 | US7984465 Broadcasting data converter |
| 07/19/2011 | US7984177 Multimedia client/server system with adjustable packet size and methods for use therewith |
| 07/19/2011 | US7984098 Video messaging |
| 07/19/2011 | US7983641 Cable communication apparatus and cable communication method |
| 07/19/2011 | CA2558693C Interactive television program guide with selectable languages |
| 07/14/2011 | WO2011085107A1 Remote re-multiplexing of transport streams |
| 07/14/2011 | WO2011082476A1 System and method for altering images in a digital video |
| 07/14/2011 | US20110173615 Interpreting i/o operation requests from pageable guests without host intervention |
| 07/14/2011 | US20110173265 Multi-head hierarchically clustered peer-to-peer live streaming system |
| 07/14/2011 | CA2824064A1 System and method for altering images in a digital video |
| 07/13/2011 | EP2343881A2 Method of processing application in digital broadcast receiver connected with interactive network, and digital broadcast receiver |
| 07/13/2011 | EP2343860A2 Reception apparatus and method, program and reception system |
| 07/13/2011 | EP2343845A2 Precise compensation of video propagation duration |
| 07/13/2011 | EP2342633A2 Device and method for updating structured information |
| 07/13/2011 | EP1424853B1 Digital broadcast reception apparatus and communication information transmission method |
| 07/13/2011 | EP1302072B1 Systems and methods for incorporating promotions within recorded programs |
| 07/13/2011 | CN201898583U TS code stream transmission system |
| 07/13/2011 | CN1901451B Authentification of data in a digital transmission system |
| 07/13/2011 | CN102124761A System for maintaining the broadcasting information in usim unlock environment and method thereof |
| 07/13/2011 | CN102124752A Apparatus and method for sharing a bookmark with other user in a home network |
| 07/13/2011 | CN102124751A Content distribution system |
| 07/13/2011 | CN102124750A System and method for providing content stream filtering in a multi-channel broadcast multimedia system |
| 07/13/2011 | CN102123327A Method for embedding and extracting digital watermark on basis of streaming media noncritical frame |
| 07/13/2011 | CN102123326A Method and system for realizing karaoke on basis of copyright protection, and terminal |
| 07/13/2011 | CN102123325A Method and device for constructing reserved programs |
| 07/13/2011 | CN102123324A Method of processing application in digital broadcast receiver connected with interactive network, and digital broadcast receiver |
| 07/13/2011 | CN102123323A Method for rapidly updating television program of single-tuner set top box |
| 07/13/2011 | CN102123322A Home appliance test system and method |
| 07/13/2011 | CN102123321A Method and system for avoiding automatic upgrade of network television |
| 07/13/2011 | CN102123320A Information sending and receiving method and system based on bidirectional digital television network |
| 07/13/2011 | CN102123319A Rapid playing method and system during process of starting set top box |
| 07/13/2011 | CN102123318A IO acceleration method of IPTV application |
| 07/13/2011 | CN102123317A Digital television system and play control method of text document of digital television system |
| 07/13/2011 | CN102123316A Requesting system, method and device for interactive television |
| 07/13/2011 | CN102123315A High-definition display method |
| 07/13/2011 | CN102123314A Method and device for displaying homepage through interactive network television terminal |
| 07/13/2011 | CN102123313A Software upgrading method and device, television and television set top box |
| 07/13/2011 | CN102123312A Method for inserting advertisement before playing reserved program in digital television |
| 07/13/2011 | CN102123311A Method for programming set top box serial number |
| 07/13/2011 | CN102123310A Play control method and device of television programs |
| 07/13/2011 | CN102123309A New service provider accessing method |
| 07/13/2011 | CN102123308A Information processing apparatus, information processing method, and program |
| 07/13/2011 | CN102123307A Method and system for playing programs |
| 07/13/2011 | CN102123306A User interaction method based on digital TV network |
| 07/13/2011 | CN102123305A Method and system for realizing network transmission troubleshooting |
| 07/13/2011 | CN102123304A Method and device for reception of video contents and services broadcast with prior transmission of data |
| 07/13/2011 | CN102123303A Audio/video file playing method and system as well as transmission control device |
| 07/13/2011 | CN102123302A Mobile phone-controlled video on demand system and video on demand method |
| 07/13/2011 | CN102123301A Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service |
| 07/13/2011 | CN102123300A Resource sharing method, network TVs and network TV system |
| 07/13/2011 | CN102123299A Playing method and device of telescopic video |
| 07/13/2011 | CN102123298A Method and system of fast startup for streaming media |
| 07/13/2011 | CN102123297A System and method for digital multimedia broadcasting |
| 07/13/2011 | CN102123296A Method and apparatus for providing video content, and method and apparatus reproducing video content |
| 07/13/2011 | CN102123199A Method and terminal for displaying text message or multimedia message |
| 07/13/2011 | CN102123145A Method for delivering non-anonymous user metadata using a SOAP operation |
| 07/13/2011 | CN102123066A Audiovisual multi-room support |
| 07/13/2011 | CN102123026A Chaos and hyperchaos based two-level video streaming media encryption method |
| 07/13/2011 | CN102123000A Method for smoothly upgrading digital terrestrial television broadcasting system to be of two-way |
| 07/13/2011 | CN101674459B Method, system and device for multi-media business treatment |
| 07/13/2011 | CN101662659B Internet protocol television child lock control method and electronic program guide server |
| 07/13/2011 | CN101646074B Real-time transmission method for video data |
| 07/13/2011 | CN101626483B Method for fusing video conferphone system and internet protocol television system and video system |
| 07/13/2011 | CN101583020B Program broadcasting system and method |
| 07/13/2011 | CN101577595B Method and system for encrypting program stream keys in multi-media broadcast service |
| 07/13/2011 | CN101527835B Method for transmitting mobile multimedia broadcasting program message and corresponding device |
| 07/13/2011 | CN101494548B Method and apparatus for reducing network television multicast cutoff time |
| 07/13/2011 | CN101325686B Method for implementing living broadcast service of down-pulling type equity network |
| 07/13/2011 | CN101247526B Sound volume equalization regulation and its application method based on digital television code stream |
| 07/13/2011 | CN101127884B Program switching method |
| 07/13/2011 | CN101083766B Media inter cut method of visual communication procedure |
| 07/12/2011 | USRE42550 Method and apparatus for portable digital entertainment system |
| 07/12/2011 | US7979880 Method and system for profiling iTV users and for providing selective content delivery |
| 07/12/2011 | US7979878 Program guide system with browsing display |
| 07/12/2011 | CA2454661C Method and system for creating a subset of programming channels |
| 07/12/2011 | CA2403133C Vsb reception system with enhanced signal detection for processing supplemental data |
| 07/08/2011 | CA2727119A1 Method and device for motion vector prediction in video transcoding using full resolution residuals |
| 07/08/2011 | CA2727107A1 Method and device for video transcoding using quad-tree based mode selection |
| 07/08/2011 | CA2726974A1 Method and device for motion vector estimation in video transcoding using full-resolution residuals |
| 07/08/2011 | CA2726973A1 Method and device for motion vector estimation in video transcoding using union of search areas |