| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 01/11/2006 | EP1615433A1 Data processing device |
| 01/11/2006 | EP1615422A1 Method of synchronizing still picture with moving picture stream |
| 01/11/2006 | EP1260039B1 Application of digital processing scheme for enhanced cable television network performance |
| 01/11/2006 | EP1151566A4 A method and apparatus for generating a precise frame rate in digital video transmission |
| 01/11/2006 | EP1127460B1 Algorithm for fast forward and fast rewind of mpeg streams |
| 01/11/2006 | CN1236612C Pulling internet content onto interactive television using usage data |
| 01/11/2006 | CN1236611C 电视接入控制系统 TV Access Control System |
| 01/11/2006 | CN1236601C Method for searching of an electronic program guide |
| 01/11/2006 | CN1236600C Auxiliary information processing system with bitmapped on-screen display using limited computing resources |
| 01/11/2006 | CN1236571C Digital broadcast receiving arrangement, and method for receiving digital broadcast using same |
| 01/11/2006 | CN1236387C Technique for defining, using and controlling authority management data structure |
| 01/10/2006 | US6986158 System and method for distributing video information over network |
| 01/10/2006 | US6986154 System and method for selecting content to be presented to a user |
| 01/10/2006 | US6986065 Distribution result verification method for information distribution system |
| 01/10/2006 | US6985979 Digital data processing device, bus controlling method, bus controlling program and recording medium |
| 01/10/2006 | US6985962 Method and apparatus for allowing a remote site to interact with an intermediate database to facilitate access to the remote site |
| 01/10/2006 | US6985949 Content delivery system allowing licensed member to upload contents to server and to use electronic mail for delivering URL of the contents to recipient |
| 01/10/2006 | US6985671 Reproducing apparatus and superimposing method |
| 01/10/2006 | US6985603 Method and apparatus for extending video content analysis to multiple channels |
| 01/10/2006 | US6985586 Distributed information and storage system |
| 01/10/2006 | US6985188 Video decoding and channel acquisition system |
| 01/10/2006 | US6985092 Robust system for transmitting and receiving map data |
| 01/10/2006 | US6985069 Remote control with status indicator |
| 01/10/2006 | CA2251726C Method and apparatus for displaying television programs and related text |
| 01/05/2006 | US20060004665 System for controlling the distribution and use of digital works |
| 01/05/2006 | US20060002686 Reproducing method, apparatus, and computer-readable recording medium |
| 01/05/2006 | US20060002478 Coding image signal |
| 01/04/2006 | EP1613066A2 Electronic program guide with digital storage |
| 01/04/2006 | EP1613065A2 Electronic program guide with digital storage |
| 01/04/2006 | EP1613057A1 Method and apparatus for filtering section data |
| 01/04/2006 | EP1612993A1 Method and arrangement for changing the operation mode of an agent of a management network |
| 01/04/2006 | EP1508099A4 Quality of service control of streamed content delivery |
| 01/04/2006 | EP1266480A4 Process and streaming server for encrypting a data stream |
| 01/04/2006 | CN1717057A Coding image signal |
| 01/04/2006 | CN1717047A Data streaming file, method and system for moving data streaming service |
| 01/04/2006 | CN1717044A Reproducing output method and programme and camera |
| 01/04/2006 | CN1717041A Television reservation system with access control |
| 01/04/2006 | CN1717020A System processing programs and parameter information obtained from many broadcast sources |
| 01/04/2006 | CN1716836A Read enable generator, read enable signal generating method and data transmission method |
| 01/04/2006 | CN1235406C System and data format for providing seamless stream switching in digital video decoder |
| 01/04/2006 | CN1235405C Digital video content transmisson ciphering and deciphering method and apparatus |
| 01/04/2006 | CN1235400C Receiving storage device, broadcasting system, receiving storage method and transmission method |
| 01/03/2006 | US6983484 Control device, control method, electric apparatus, control method of an electric apparatus, electric apparatus system, control method of an electric apparatus system, and transmission medium |
| 01/03/2006 | US6983483 Scheduler apparatus employing a gopher agent for use in a television receiver |
| 01/03/2006 | US6983482 Data broadcast content generation system |
| 01/03/2006 | US6983426 Method and apparatus for displaying content in an array hierarchical structure |
| 01/03/2006 | US6983373 Information processing apparatus, information processing system, information processing method, and storage medium therefor |
| 01/03/2006 | US6983305 Systems and methods for interfacing with a user in instant messaging |
| 01/03/2006 | US6982780 Apparatus and method for building a playlist |
| 01/03/2006 | US6982765 Minimizing video disturbance during switching transients and signal absence |
| 01/03/2006 | US6982745 Antenna level display device and method, and receiving apparatus |
| 01/03/2006 | CA2281538C Object-based audio-visual terminal and bitstream structure |
| 01/03/2006 | CA2233233C Frequency controlling circuit for digital television transmission |
| 01/03/2006 | CA2233213C Transmitting system and method |
| 01/01/2006 | CA2774311A1 Methods and systems for delivery of broadband services to customer premises equipment |
| 12/29/2005 | US20050289621 Power management apparatus, systems, and methods |
| 12/29/2005 | US20050289617 Personal versatile recorder and method of implementing and using same |
| 12/29/2005 | US20050289603 Interactive television system |
| 12/29/2005 | US20050289602 Interactive television system |
| 12/29/2005 | US20050289598 Interactive television system |
| 12/29/2005 | US20050289432 Read enable generator for a turbo decoder deinterleaved symbol memory |
| 12/29/2005 | US20050289246 Interpreting I/O operation requests from pageable guests without host intervention |
| 12/29/2005 | US20050288010 Radio communication apparatus and radio communication method |
| 12/29/2005 | US20050287972 Broadcast response system |
| 12/29/2005 | US20050287971 Broadcast response system |
| 12/29/2005 | US20050286563 Method and apparatus for filtering section data |
| 12/29/2005 | US20050286431 Multiplexer, multimedia communication apparatus and time stamp generation method |
| 12/28/2005 | EP1610558A2 Synchronizing video/audio of mobile communication terminal |
| 12/28/2005 | EP1610557A1 System and method for embedding multimedia processing information in a multimedia bitstream |
| 12/28/2005 | EP1610550A1 Moving picture processing device, information processing device, and program thereof |
| 12/28/2005 | EP1610549A1 Moving picture processing device, information processing device, and program thereof |
| 12/28/2005 | EP1497811A4 A display system |
| 12/28/2005 | EP1430718B1 Cable modem upstream amplifier power management |
| 12/28/2005 | EP1222759B1 Method and apparatus for upstream burst transmission synchronization in cable modems |
| 12/28/2005 | EP1173806A4 System and method for accessing, manipulating and viewing internet and non-internet related information and for controlling networked devices |
| 12/28/2005 | EP1002407B1 Method and apparatus for a home network auto-tree builder |
| 12/27/2005 | US6981276 Control device, control method, electric apparatus, control method of an electric apparatus, electric apparatus system, control method of an apparatus system, and transmission medium |
| 12/27/2005 | US6981274 Store and play of broadcast data from a multiplex data stream |
| 12/27/2005 | US6981272 Data processing apparatus and method for preventing unauthorized copying |
| 12/27/2005 | US6981253 Information processing apparatus and method, recording medium, storage medium, and program |
| 12/27/2005 | US6981039 Fault management in a VDSL network |
| 12/27/2005 | US6980971 Copyright management apparatus, copyrighted-work distribution apparatus, and copyrighted-work distribution and receiving system |
| 12/27/2005 | US6979774 Cable modem module and transmitter-receiver |
| 12/27/2005 | US6978933 Card for service access |
| 12/27/2005 | CA2402442C Optional verification of interactive television content |
| 12/22/2005 | US20050283810 Client-server based interactive television program guide with server recording |
| 12/22/2005 | US20050283800 Interactive television program guide system that serves as a portal |
| 12/22/2005 | US20050283610 Methods and systems for encoding and protecting data using digial signature and watermarking techniques |
| 12/22/2005 | US20050283547 Streaming information appliance with buffer read and write synchronization |
| 12/22/2005 | US20050283490 Data structure of metadata of moving image and reproduction method of the same |
| 12/22/2005 | US20050282582 Telephone device with enhanced audio-visual features for interacting with nearby displays and display screens |
| 12/22/2005 | US20050281330 Method and system to improve the transport of compressed video data |
| 12/22/2005 | US20050281296 Data transmitting apparatus and data receiving apparatus |
| 12/22/2005 | US20050281289 System and method for embedding multimedia processing information in a multimedia bitstream |
| 12/22/2005 | US20050281246 Synchronizing video/audio data of mobile communication terminal |
| 12/22/2005 | US20050280743 Two way communication using light links |
| 12/22/2005 | DE4335271B4 Daten-Demultiplexer Data demultiplexer |
| 12/21/2005 | EP1608177A2 Interactive special events video signal navigation system |
| 12/21/2005 | EP1608173A1 Program information processing system, program information management server, program information operation terminal, and computer program |
| 12/21/2005 | EP1608167A1 Moving picture processing device, information processing device, and program thereof |