| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 02/18/2009 | EP0933940B1 Information transmitting method and television broadcast receiver |
| 02/18/2009 | CN101370119A Control device, content transmition system and method |
| 02/18/2009 | CN101370104A Program reminding method, system and apparatus |
| 02/17/2009 | US7493662 Data nullification device for nullifying digital content recorded on a recording medium, after the digital content has been reproduced, a predetermined time period has passed since the recording of the digital content, or the digital content has been moved to another recording medium |
| 02/17/2009 | US7493647 Video on demand |
| 02/17/2009 | US7493644 Method, apparatus, and system for video fast forward functionality in a mobile phone |
| 02/17/2009 | US7493642 Method of selecting a portion of a block of data for display based on characteristics of a display device |
| 02/17/2009 | US7493641 Method and system for displaying advertisements in an electronic program guide |
| 02/17/2009 | US7493636 Method and apparatus for providing electronic coupons |
| 02/17/2009 | US7492897 Conditional access system for broadcast digital television |
| 02/17/2009 | US7492393 Method of and apparatus for generating a precise frame rate in digital video transmission from a computer system to a digital video device |
| 02/12/2009 | US20090044269 Digital signal processing apparatus |
| 02/12/2009 | US20090044226 Interactive Television Program Guide System Having Multiple Devices Within A Household |
| 02/12/2009 | US20090043870 Method and apparatus for identifying media content presented on a media playing device |
| 02/12/2009 | US20090043652 Systems and methods for secure transaction management and electronic rights protection |
| 02/12/2009 | US20090041439 Information processing system, recording apparatus, portable device, information processing method, and program |
| 02/12/2009 | US20090041427 Reproducing device |
| 02/12/2009 | US20090041425 Reproducing device |
| 02/12/2009 | US20090041235 Secure Information Distribution System Utilizing Information Segment Scrambling |
| 02/11/2009 | EP2023631A1 Television reception device, program, and recording medium |
| 02/11/2009 | EP2023350A1 Information processing system, recording apparatus, portable device, information processing method, and program |
| 02/11/2009 | CN101362024A Executing game programs having advertisements therein |
| 02/11/2009 | CN101362023A Executing game programs having advertisements therein |
| 02/10/2009 | US7490344 System and method for seamless switching |
| 02/10/2009 | US7489899 Information network building method and network connection circuit for communication between terminals of a physical premises |
| 02/05/2009 | US20090037969 Audiovisual reproduction system |
| 02/05/2009 | US20090034628 Audio/video system with auxiliary data |
| 02/05/2009 | US20090033793 Television receiver and television display method |
| 02/04/2009 | EP0947094B1 Method and system for providing interactive look-and-feel in a digital broadcast via an x-y protocol |
| 02/04/2009 | CN101361366A Information distribution system, information distribution method, node device, key data management device, and recording medium |
| 02/04/2009 | CN101361364A Electronic programming guide providing apparatus and method |
| 02/04/2009 | CN101361060A Method and apparatus for importing content having plurality of parts |
| 02/04/2009 | CN101360196A Television receiver and television display method |
| 02/04/2009 | CN101359350A Systems and methods for secure transaction management and electronic rights protection |
| 02/04/2009 | CN100459705C Method and device for processing data in statistical re-multiplexing device receiving a plurality of channels |
| 02/04/2009 | CN100459690C Digital motion picture decoding apparatus |
| 02/04/2009 | CN100459671C Method and apparatus for generating list of suggested scheduled television programs |
| 02/04/2009 | CN100458739C Video card protecting method and system |
| 02/03/2009 | US7487534 Application programming interface (API) for accessing and managing resources in digital television receiver |
| 02/03/2009 | US7487529 Electronic program guide system with advertising messages in pop-ups |
| 02/03/2009 | US7487528 Program guide system with browsing display |
| 02/03/2009 | US7487526 Method for object retransmission without a continuous network connection in a digital media distributor system |
| 02/03/2009 | US7487523 Tiered programming television delivery system |
| 02/03/2009 | US7487364 Method to store encrypted data |
| 02/03/2009 | US7487309 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 |
| 02/03/2009 | US7487259 Method and apparatus for allowing a remote site to interact with an intermediate database to facilitate access to the remote site |
| 02/03/2009 | US7487254 Fixed length filtering to filter clusters of discrete segments of data |
| 02/03/2009 | US7487164 Information processing apparatus capable of properly reflecting a change in a user's preference or interest |
| 02/03/2009 | US7486870 System and method for reproducing a video session using accelerated frame playback |
| 02/03/2009 | US7486793 Invoicing management method of a service transmitted per time unit |
| 02/03/2009 | US7486692 Modularization of broadcast receiver driver components |
| 02/03/2009 | US7486414 Image forming device, pattern formation method and storage medium storing its program |
| 02/03/2009 | CA2381363C Impulse pay per use method and system for data and multimedia services |
| 02/03/2009 | CA2360214C Remote display control of video/graphics data |
| 02/03/2009 | CA2351831C Audiovisual information distribution system and process |
| 01/29/2009 | WO2009014129A1 Content transmission device and content reception device |
| 01/29/2009 | US20090031335 Digital broadcast program ordering |
| 01/28/2009 | EP2018753A1 Method and apparatus for encrypting encoded audio signal |
| 01/28/2009 | CN201188659Y Multi-standard digital television signal frontend processing device and digital television play system |
| 01/28/2009 | CN100456816C Method for displaying channel indicator by screen display |
| 01/28/2009 | CN100456670C Digital signature for digital TV |
| 01/27/2009 | US7484235 Television reception system, channel selection apparatus and display apparatus |
| 01/27/2009 | US7483532 RTP payload format |
| 01/27/2009 | US7483451 Multi-media jitter removal in an asynchronous digital home network |
| 01/22/2009 | US20090024710 Systems and methods for interfacing with a user in instant messaging |
| 01/22/2009 | US20090022476 Broadcasting System and Program Contents Delivery System |
| 01/22/2009 | US20090022172 System and method for seamless switching through buffering |
| 01/22/2009 | US20090022159 Interactive Streaming Media Production Tool Using Communication Optimization |
| 01/21/2009 | EP2018038A2 Imaging system, imaging instruction issuing apparatus, imaging apparatus, and imaging method |
| 01/21/2009 | EP2017990A1 Frequency synchronisation of clocks |
| 01/21/2009 | EP2016770A1 Method for generating packets destined for at least one mobile receptor |
| 01/21/2009 | CN101350687A Broadcast receiver, broadcast data transmitting method and broadcast data receiving method |
| 01/21/2009 | CN100455027C Signal processing apparatus and stream processing method |
| 01/21/2009 | CN100455013C Method and system for automatically selecting programmes for user |
| 01/21/2009 | CN100455012C Television program recommending device and method thereof |
| 01/21/2009 | CN100454918C Method and appts. for reinforcing operation of cable modem |
| 01/20/2009 | US7480929 Method and system for displaying advertisements in an electronic program guide |
| 01/20/2009 | US7480728 Synchronizing data streams |
| 01/20/2009 | US7480446 Variable rate video playback with synchronized audio |
| 01/20/2009 | US7480381 Super encrypted storage and retrieval of media programs in a hard-paired receiver and storage device |
| 01/15/2009 | US20090019279 User apparatus and program |
| 01/15/2009 | US20090016691 Audiovisual transmission system with interactive seamless branching and/or telescopic advertising |
| 01/15/2009 | US20090016438 Method and apparatus for a motion compensation instruction generator |
| 01/15/2009 | DE102007006841B4 Digitales BDA-Signalverarbeitungssystem für Microsoft Windows, und Verarbeitungsverfahren dafür BDA Digital signal processing system for Microsoft Windows, and processing method thereof |
| 01/14/2009 | EP2015576A1 Information distribution system, information distribution method, and information display device |
| 01/14/2009 | EP2015570A2 Video player and video playback control method |
| 01/14/2009 | EP2015214A2 Systems and methods for secure transaction management and electronic rights protection |
| 01/14/2009 | EP2014088A1 Apparatus and method for controlling dispersion record and play of moving picture |
| 01/14/2009 | EP1350392B1 Method of sizing an embedded media player page |
| 01/14/2009 | EP0862837B1 Method and apparatus for statistical -multiplexing programs using decoder buffer fullness |
| 01/14/2009 | CN101345823A Information device and portable information apparatus |
| 01/14/2009 | CN100452866C Method and device for providing/receiving media content over digital network |
| 01/14/2009 | CN100452864C Automatic selection of favorite media selections user of media presentation device |
| 01/14/2009 | CN100452831C Apparatus for controlling the display of data |
| 01/14/2009 | CN100452702C Authentification of data in a digital transmission system |
| 01/14/2009 | CN100452072C Systems and methods for secure transaction management and electronic rights protection |
| 01/14/2009 | CN100452071C Systems and methods for secure transaction management and electronic rights protection |
| 01/13/2009 | US7478432 Method and system for contents control |
| 01/13/2009 | US7478415 Digital broadcast receiving system |
| 01/13/2009 | US7477832 User interface for television schedule system |