| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 06/19/1996 | EP0717411A2 Data decoding apparatus and methods |
| 06/19/1996 | EP0716795A1 Apparatus and method for an on demand data delivery system for the preview, selection, retrieval and reproduction at a remote location of previously recorded or programmed materials |
| 06/19/1996 | EP0497924B1 System for synchronizing main and auxiliary video signals |
| 06/19/1996 | CN1125014A Synchronizing digital audio to digital video |
| 06/19/1996 | CN1032099C System of communication |
| 06/18/1996 | US5528304 Picture-in-picture feedback for channel related features |
| 06/18/1996 | US5528296 Jagged edge compensator for staggered pixel layouts of a spatial light modulator |
| 06/18/1996 | CA2014791C Cable television transaction terminal |
| 06/13/1996 | WO1996018267A1 Method and system for scheduling the transfer of data sequences utilizing an anti-clustering scheduling algorithm |
| 06/12/1996 | EP0716370A2 A disk access method for delivering multimedia and video information on demand over wide area networks |
| 06/11/1996 | US5526035 Transaction based interactive television system |
| 06/06/1996 | WO1996017475A1 Secure authorization and control method and apparatus for a game delivery service |
| 06/06/1996 | WO1996017473A1 Electronic television program guide schedule system and method with display and search of program with alphabetical title listings |
| 06/06/1996 | WO1996017467A2 System and method for scheduling broadcast of and access to video programs and other data using customer profiles |
| 06/06/1996 | WO1996017306A2 Media server |
| 06/06/1996 | WO1996008912A3 Conditional access system |
| 06/06/1996 | CA2206234A1 Secure authorization and control method and apparatus for a game delivery service |
| 06/05/1996 | EP0715470A2 System for supplying a plurality of ATM cells |
| 06/05/1996 | EP0715247A1 System for controlling the distribution and use of digital works using digital tickets |
| 06/05/1996 | EP0715241A2 Apparatus for data copyright management system |
| 06/04/1996 | US5524195 Graphical user interface for interactive television with an animated agent |
| 06/04/1996 | US5523796 Video clip program guide |
| 06/04/1996 | US5523747 Asset management in a cable management system |
| 05/30/1996 | EP0728398A4 Interactive information services control system |
| 05/29/1996 | EP0714204A2 Illegal view and copy protection method in digital video system and controlling method thereof |
| 05/29/1996 | EP0713621A1 Method and apparatus for uniquely encrypting a plurality of services at a transmission site |
| 05/29/1996 | CN1123580A Method and device for recording data, data recording medium, and method and device for reproducing data |
| 05/28/1996 | US5521979 Packet video signal inverse transport system |
| 05/28/1996 | US5521898 Apparatus for insertion of information into existing information record |
| 05/28/1996 | US5521631 Interactive digital video services system with store and forward capabilities |
| 05/23/1996 | WO1996015603A1 Encryption of signals to insure viewership of commercials |
| 05/23/1996 | CA2182887A1 Encryption of signals to insure viewership of commercials |
| 05/22/1996 | EP0713308A2 Video data sending and receiving device |
| 05/22/1996 | CN1122989A Multi-coding apparatus |
| 05/22/1996 | CN1122987A Method and apparatus for recording digital video signals and apparatus for reproducing the ... |
| 05/22/1996 | CN1122986A Program switching device and method |
| 05/22/1996 | CN1122985A Video optimized dmedia streamer with distributed video data storage |
| 05/21/1996 | US5519780 System and method for providing compressed digital teletext services and teletext support services |
| 05/21/1996 | US5519443 Method and apparatus for providing dual language captioning of a television program |
| 05/21/1996 | US5519435 Multi-user, on-demand video storage and retrieval system including video signature computation for preventing excessive instantaneous server data rate |
| 05/21/1996 | US5519433 Interactive television security through transaction time stamping |
| 05/17/1996 | WO1996014711A1 Method and apparatus for visual communications in a scalable network environment |
| 05/15/1996 | EP0712251A2 Method and apparatus for partially recompressing digital signals |
| 05/15/1996 | EP0712247A2 Transmitting, recording and reproducing data |
| 05/15/1996 | EP0712127A2 Apparatus and method for recording and reproducing digital data |
| 05/15/1996 | CN1122551A Sync detecting apparatus and method thereof |
| 05/15/1996 | CA2162549A1 Tranmission recording and reproduction of digital data and time information in transport packets using a compression ratio |
| 05/14/1996 | US5517502 Upstream transmission using multiple transmission tags and downstream acknowledgements in conditional access packets |
| 05/14/1996 | US5517257 Video control user interface for interactive television systems and method for controlling display of a video movie |
| 05/09/1996 | WO1996013941A1 Digital data packet multiplexer, in particular for digital television |
| 05/09/1996 | WO1996013940A1 Digital data packet multiplexer, in particular for digital television |
| 05/09/1996 | WO1996013939A1 Digital data packet multiplexer, particularly for digital television |
| 05/09/1996 | CA2203788A1 Multiplexer of digital information packets, especially for digital television |
| 05/09/1996 | CA2203787A1 Multiplexer of digital information packets, especially for digital television |
| 05/09/1996 | CA2203786A1 Multiplexer of digital information packets, especially for digital television |
| 05/08/1996 | EP0711048A2 Asynchronous data extraction apparatus |
| 05/08/1996 | EP0710420A1 System and method for storing and forwarding audio and/or visual information on demand |
| 05/07/1996 | US5515512 Multi-media terminal apparatus |
| 05/07/1996 | US5515490 Method and system for temporally formatting data presentation in time-dependent documents |
| 05/07/1996 | US5515368 Information transmission system with variable transmission rate |
| 05/07/1996 | US5515107 Method of encoding a stream of motion picture data |
| 05/07/1996 | US5515106 Method and apparatus for transmitting/receiving a program guide for television services |
| 05/07/1996 | US5515098 System and method for selectively distributing commercial messages over a communications network |
| 05/02/1996 | WO1996013124A1 Video indexing protocol |
| 05/01/1996 | EP0710025A1 Digital signal transmitting methods, digital signal receiving apparatus, and recording media |
| 05/01/1996 | EP0710020A2 Video signal format converting circuit |
| 05/01/1996 | EP0708946A1 Device, method and system for variable bit-rate packet video communications |
| 05/01/1996 | CN1121669A Transmiting and recording method, reproducing method, and reproducing apparatus of information and its recording medium |
| 04/30/1996 | US5513182 Star configuration network system |
| 04/30/1996 | US5513180 Television signal and ATM cell switching system |
| 04/30/1996 | US5512963 Apparatus and methods for providing combining multiple video sources |
| 04/30/1996 | US5512939 Low bit rate audio-visual communication system having integrated perceptual speech and video coding |
| 04/30/1996 | US5512936 Video line card switch for use in a video line card shelf in a switched video system |
| 04/30/1996 | US5512934 System and method for transmission of programming on demand |
| 04/30/1996 | CA2071975C Media pipeline system |
| 04/25/1996 | WO1996012270A1 Time compression/expansion without pitch change |
| 04/25/1996 | WO1996012261A1 System for distributing and selecting audio and video information and method implemented by said system |
| 04/25/1996 | WO1996012260A1 Audiovisual distribution system |
| 04/25/1996 | WO1996012259A1 Home digital audiovisual information recording and playback apparatus |
| 04/25/1996 | WO1996012258A1 Intelligent digital audiovisual playback system |
| 04/25/1996 | WO1996012256A1 Intelligent digital audiovisual playback system |
| 04/25/1996 | WO1996012255A1 Intelligent digital audiovisual playback system |
| 04/25/1996 | CA2201915A1 Intelligent digital audiovisual playback system |
| 04/24/1996 | EP0708561A2 Method and apparatus for free previews of communication network services |
| 04/24/1996 | EP0707772A1 System for multiplexed transmission of compressed video and auxiliary data |
| 04/23/1996 | US5511099 Passband sync block recovery |
| 04/23/1996 | US5510904 Video data compressor minimizing propagation of error |
| 04/23/1996 | US5510846 Process for synchronizing the scanning circuit of an image display device |
| 04/23/1996 | US5510840 Methods and devices for encoding and decoding frame signals and recording medium therefor |
| 04/23/1996 | US5510839 Image encoding and transmitting system |
| 04/23/1996 | US5510828 Interactive video display system |
| 04/18/1996 | WO1996011457A1 Device and method of signal loss recovery for realtime and/or interactive communications |
| 04/18/1996 | WO1996011436A1 Delivery of data including preloaded advertising data |
| 04/17/1996 | EP0707426A2 Digital video decoder for decoding digital high definition and/or digital standard definition television signals |
| 04/17/1996 | CN1120776A A flow builder for an audio video interactive transmission system |
| 04/17/1996 | CN1120769A Signal receiving apparatus |
| 04/16/1996 | US5508748 Digital data processor |
| 04/16/1996 | US5508732 In a data processing system |
| 04/11/1996 | WO1996010888A1 Content programmer control of video and data display using associated data |
| 04/10/1996 | EP0706291A2 Secure access systems |