| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 04/17/2002 | EP1197074A1 System and method for utilizing epg database for modifying advertisements |
| 04/17/2002 | EP1197072A1 Television viewer interface system |
| 04/17/2002 | EP1197016A2 Hfc return path system using digital conversion and transport |
| 04/17/2002 | EP1082850B1 Module manager for interactive television system |
| 04/17/2002 | EP0740884B1 Transaction based interactive system |
| 04/17/2002 | CN1345513A System and method for near-real time capture and reporting of large population consumer behaviors concerning television use |
| 04/17/2002 | CN1083209C Video signal and variable bit rate audio information transmitting apparatus, and method therefor |
| 04/17/2002 | CN1083206C Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium |
| 04/16/2002 | US6374405 Module scheduling with a time interval and ending time |
| 04/16/2002 | US6374404 Intelligent device having background caching of web pages from a digital television broadcast signal and method of same |
| 04/16/2002 | US6374336 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 |
| 04/16/2002 | US6374042 Optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc |
| 04/16/2002 | US6374041 Optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc |
| 04/16/2002 | US6373855 System and method for using audio performance to control video bandwidth |
| 04/16/2002 | US6373528 Electronic television program guide schedule system and method |
| 04/16/2002 | US6373526 Processing of closed caption in different formats |
| 04/16/2002 | US6373503 Multimedia computer and television apparatus |
| 04/16/2002 | CA2297089C Tv graphical user interface providing selection among various lists of tv channels |
| 04/16/2002 | CA2185053C Interactive reverse channel for direct broadcast satellite system |
| 04/11/2002 | WO2002030124A2 Video processing |
| 04/11/2002 | WO2002029602A1 Xml encoding scheme |
| 04/11/2002 | WO2002019689A3 System for interactive television |
| 04/11/2002 | WO2002011051A3 Systems and methods for etching digital watermarks |
| 04/11/2002 | WO2002009351A3 Multi-media jitter removal in an asynchronous digital home network |
| 04/11/2002 | WO2002001853A3 Automatic identification of a set-top box user to a network |
| 04/11/2002 | WO2001093577A3 Authorization using ciphertext tokens |
| 04/11/2002 | WO2001091466A3 Dynamically shifting control word |
| 04/11/2002 | WO2001084841A3 Method and system for uniform resource identification and access to television services |
| 04/11/2002 | WO2001082585A3 System and method for merging interactive television data with closed caption data |
| 04/11/2002 | WO2001080565A3 Channel dancer, virtual channel scheduler |
| 04/11/2002 | WO2001072041A3 Method and system for subject video streaming |
| 04/11/2002 | US20020042924 Media server interconnect architecture |
| 04/11/2002 | US20020042922 Video box of VOD system |
| 04/11/2002 | US20020042918 Receivers for television signals |
| 04/11/2002 | US20020042917 Receivers for television signals |
| 04/11/2002 | US20020042916 Program information providing apparatus and method, program recording preset system and method, and program recording system and method |
| 04/11/2002 | US20020042914 Systems and methods for providing targeted advertisements based on current activity |
| 04/11/2002 | US20020042913 Systems and methods for building user media lists |
| 04/11/2002 | US20020042855 Communication system for providing digital data transfer, electronic equipment for transferring data using the communication system, and an interface control device |
| 04/11/2002 | US20020042777 Information distribution system, terminal apparatus, information center, recording medium, and information distribution method |
| 04/11/2002 | US20020041756 Data reproduction apparatus that switches reproduction target |
| 04/11/2002 | US20020041648 Terminal condition controlling method and apparatus |
| 04/11/2002 | US20020041626 Media processing apparatus which operates at high efficiency |
| 04/11/2002 | US20020041609 Multiplexed data producing apparatus, encoded data reproducing apparatus, clock conversion apparatus, encoded data recording medium, encoded data transmission medium, multiplexed data producing method, encoded data reproducing method, and clock conversion method |
| 04/11/2002 | US20020041608 Digital television system |
| 04/11/2002 | US20020041339 Graphical representation of motion in still video images |
| 04/10/2002 | EP1195061A1 Multi-channel mpeg video transcoder using multiple programmable processors |
| 04/10/2002 | EP1195060A1 Method of transmitting streams of video data, in multi-length frames, at a single average bit rate |
| 04/10/2002 | EP1195059A1 Real-time, interactive and personalized video services |
| 04/10/2002 | EP1195058A1 System and method for a miniguide implementation |
| 04/10/2002 | EP1195056A1 Service navigation systems and methods |
| 04/10/2002 | EP1195053A2 Selection between an in-band and an out-of-band channel for downloading code to a set top box |
| 04/10/2002 | EP1194861A1 Interactive television triggers having connected content/disconnected content attribute |
| 04/10/2002 | EP0916226B1 System and method for digitally encoding and compressing vbi signals |
| 04/10/2002 | CN1343935A Image server, image communicating system and control method thereof |
| 04/10/2002 | CA2322898A1 Broadcasting on networked distribution systems |
| 04/09/2002 | US6370688 Method and apparatus for server broadcast of time-converging multi-media streams |
| 04/09/2002 | US6370571 System and method for delivering high-performance online multimedia services |
| 04/09/2002 | US6370321 Optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc |
| 04/04/2002 | WO2002028108A2 Statistical remultiplexing with bandwidth allocation among different transcoding channels |
| 04/04/2002 | WO2002028098A1 System and method for creating and displaying a preference based menu for a viewing session |
| 04/04/2002 | WO2002028097A2 Client-based interactive digital television architecture |
| 04/04/2002 | WO2002028006A2 Method and apparatus for networked information dissemination through secure transcoding |
| 04/04/2002 | WO2002027988A2 System and method for seamless switching |
| 04/04/2002 | WO2002027553A1 System for providing access to product data |
| 04/04/2002 | WO2002027472A1 Architecture for optimizing audio and video output states for multimedia devices |
| 04/04/2002 | WO2002003676A3 System for displaying an integrated portal screen |
| 04/04/2002 | WO2001075887A3 Method, system and computer program product for full news integration and automation in a real time video production environment |
| 04/04/2002 | WO2000064166A9 Transmitting viewable data objects |
| 04/04/2002 | WO2000060870A9 Remote controlled platform for camera |
| 04/04/2002 | WO2000060869A9 Perspective-corrected video presentations |
| 04/04/2002 | US20020040478 Multimedia-data transmission system, apparatus and method |
| 04/04/2002 | US20020040329 Data presentation for electronic purchasing system |
| 04/04/2002 | US20020040322 Apparatus and method for executing a game program having advertisements therein |
| 04/04/2002 | US20020039480 Recording medium of stream data, and recording method and playback method of the same |
| 04/04/2002 | US20020039390 Digital broadcasting receiving apparatus and control method thereof |
| 04/04/2002 | CA2421794A1 Statistical remultiplexing with bandwidth allocation among different transcoding channels |
| 04/03/2002 | EP1193980A1 Synchronous control method |
| 04/03/2002 | EP1193967A2 Providing quality of service for disks I/O sub-system |
| 04/03/2002 | EP1193940A2 Apparatus and computer-implemented process for providing real-time multimedia data transport in a distributed computing system |
| 04/03/2002 | EP1192802A2 Adaptive tv program recommender |
| 04/03/2002 | EP0862826B1 Home multimedia network architecture |
| 04/03/2002 | CN1343418A Electronic program guide with support for rich program content |
| 04/02/2002 | USRE37620 Bandwidth efficient communication of user data in digital television data stream |
| 04/02/2002 | US6367078 Electronic program-guide system with sideways-surfing capability |
| 04/02/2002 | US6366328 Television control system for universal control of hospital televisions |
| 04/02/2002 | CA2294511C System for adaptive video/audio transport over a network |
| 04/02/2002 | CA2181761C Image transmission system |
| 03/28/2002 | WO2002025955A1 Processor allocation for channels in a video multi-processor system |
| 03/28/2002 | WO2002025952A2 Regeneration of program clock reference data for mpeg transport streams |
| 03/28/2002 | WO2002025951A2 Method and apparatus for determining a transmission bit rate in a statistical multiplexer |
| 03/28/2002 | WO2002025939A2 Television program recommender with automatic identification of changing viewer preferences |
| 03/28/2002 | WO2002025936A2 Follow up correction to epg for recording systems to reset requests for recordings |
| 03/28/2002 | WO2002025556A1 Method and apparatus for digital shopping |
| 03/28/2002 | WO2001097531A3 Electronic stereoscopic media delivery system |
| 03/28/2002 | WO2001091460A3 Method and apparatus to adaptively program a recording device |
| 03/28/2002 | WO2001086945B1 Content propagation in interactive television |
| 03/28/2002 | WO2001052050A9 Electronic programming guide |
| 03/28/2002 | US20020038460 Electronic cinema system, distribution apparatus, and showing apparatus |
| 03/28/2002 | US20020038458 Apparatus for, and method of, receiving satellite television signals in an apartment building and providing television images in the receivers in such building |