| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 09/30/1999 | WO1999049662A2 Automatic installation |
| 09/30/1999 | WO1999049658A1 Navigation www-based content in a television-based system |
| 09/30/1999 | WO1999049614A1 Authentification of data in a digital transmission system |
| 09/30/1999 | WO1999037056A3 Method and apparatus for media data transmission |
| 09/30/1999 | WO1998059284A3 Method and apparatus for creating home network macros |
| 09/29/1999 | EP0946060A1 Menu-driven television program access system and method |
| 09/29/1999 | EP0946019A1 Authentification of data in a digital transmission system |
| 09/29/1999 | EP0945020A1 Scalable media delivery system |
| 09/29/1999 | EP0945018A1 Interactivity with audiovisual programming |
| 09/29/1999 | EP0945017A1 Digital video converter box for subscriber/home with multiple television sets |
| 09/29/1999 | EP0945015A1 Television apparatus for simultaneous decoding of auxiliary data included in multiple television signals |
| 09/29/1999 | EP0945013A1 Method and apparatus for reformatting auxiliary information included in a television signal |
| 09/29/1999 | EP0945003A1 Internet television program guide system |
| 09/29/1999 | EP0945002A1 Method and apparatus for providing a modulated scroll rate for text display |
| 09/29/1999 | EP0944991A2 Interactive service device metering systems |
| 09/29/1999 | CN1230319A Appts. for processing data elements to be inserted into frame |
| 09/29/1999 | CN1230076A Digital video receiving apparatus |
| 09/28/1999 | US5960081 Embedding a digital signature in a video sequence |
| 09/28/1999 | US5960007 Circuits and methods for framing one or more data streams |
| 09/28/1999 | US5960006 MPEG decoding system adjusting the presentation in a predetermined manner based on the actual and requested decoding time |
| 09/28/1999 | US5959997 Hybrid access system with AGC control of upstream channel transmit power |
| 09/28/1999 | US5959688 Television schedule system and method of operation for multiple program occurences |
| 09/28/1999 | US5959686 Apparatus and method for controlling sub monitors in a video communication system |
| 09/28/1999 | US5959680 Method and apparatus for reducing flicker in the television display of network application data |
| 09/28/1999 | US5959659 MPEG-2 transport stream decoder having decoupled hardware architecture |
| 09/23/1999 | WO1999048295A1 Video signal correction apparatus for satellite receiver |
| 09/22/1999 | CN1229490A Cyclic transmission of plurality of mutually related objects |
| 09/21/1999 | US5956716 System and method for delivery of video data over a computer network |
| 09/21/1999 | US5956426 Multi-coding apparatus |
| 09/21/1999 | US5956391 Billing in the internet |
| 09/21/1999 | US5956321 Stream scheduling system for real time stream server |
| 09/21/1999 | US5956088 Method and apparatus for modifying encoded digital video for improved channel utilization |
| 09/21/1999 | CA2140850C Networked system for display of multimedia presentations |
| 09/16/1999 | WO1999046938A1 Method of embedding compressed digital audio signals in a video signal using guard bands |
| 09/16/1999 | WO1999046937A1 Apparatus and method for predictive time stamping of isochronous data packets |
| 09/16/1999 | WO1999046930A1 Interactive selection system for a video decoder modulator channel |
| 09/16/1999 | WO1999046719A1 Method and apparatus for analyzing data and advertising optimization |
| 09/16/1999 | WO1999046684A1 Method of and apparatus for managing resource allocation and bandwidth overflow in a cooperative, distributed computing environment |
| 09/16/1999 | WO1999037072A3 Method and apparatus for media data transmission |
| 09/16/1999 | WO1999037057A3 Method and apparatus for media data transmission |
| 09/16/1999 | WO1999035852A3 Group based control scheme for video compression |
| 09/16/1999 | WO1999035787A3 A home audio/video network with device control |
| 09/16/1999 | WO1999035562A3 Incremental archiving and restoring of data in a multimedia server |
| 09/15/1999 | EP0942599A1 A television signal processor |
| 09/15/1999 | EP0941611A1 A decoding apparatus/method and data format for processing and storing encrypted video data |
| 09/15/1999 | EP0941610A1 Method of processing encrypted video data for generating decrypted program data |
| 09/15/1999 | EP0941607A1 Television browsing system and method |
| 09/15/1999 | EP0857390B1 Staggered stream support for video on demand |
| 09/15/1999 | EP0606743B1 A data storage apparatus |
| 09/15/1999 | CN1228901A Television schedule system with access control |
| 09/14/1999 | US5953506 Method of communicating multimedia digital data |
| 09/14/1999 | US5953485 Method and system for maintaining audio during video control |
| 09/14/1999 | US5953344 Method and apparatus enabling enhanced throughput efficiency by use of dynamically adjustable mini-slots in access protocols for shared transmission media |
| 09/14/1999 | US5953051 Method and apparatus for controlling access in a video distribution network |
| 09/14/1999 | US5953049 Adaptive audio delay control for multimedia conferencing |
| 09/14/1999 | US5953047 Television signal activated interactive smart card system |
| 09/14/1999 | US5951664 Computer system having a multimedia bus and including improved time slotting and bus allocation |
| 09/14/1999 | US5951646 System and method for scheduling and processing image and sound data |
| 09/14/1999 | US5951639 Multicast downloading of software and data modules and their compatibility requirements |
| 09/10/1999 | WO1999045702A1 Program guide system with targeted advertising |
| 09/10/1999 | WO1999045701A1 Program guide system with preference profiles |
| 09/10/1999 | WO1999045671A2 System for editing entertainment information by producers |
| 09/10/1999 | CA2569060A1 Program guide system with targeted advertising |
| 09/10/1999 | CA2322896A1 System for editing entertainment information by producers |
| 09/08/1999 | EP0940985A2 Multimedia recorder with enhanced EPG-related functions |
| 09/08/1999 | EP0940043A1 Method and apparatus for modifying tables of data |
| 09/08/1999 | EP0886964A4 Method and apparatus for displaying television programs and related text |
| 09/08/1999 | EP0827669A4 Logical and composite channel mapping in an mpeg network |
| 09/08/1999 | EP0738449B1 A digital television system channel guide having a limited lifetime |
| 09/08/1999 | CN1228176A Data de-rotator and de-interleaver |
| 09/07/1999 | US5949954 System and process for control of recording and reproducing apparatus |
| 09/07/1999 | US5949952 Audio and video transcription system for manipulating real-time testimony |
| 09/07/1999 | US5949876 Systems and methods for secure transaction management and electronic rights protection |
| 09/07/1999 | US5949834 VSB symbol sync recovery system |
| 09/07/1999 | US5949795 Processing asynchronous data within a set-top decoder |
| 09/07/1999 | US5949410 Apparatus and method for synchronizing audio and video frames in an MPEG presentation system |
| 09/07/1999 | US5949407 Remote control system |
| 09/07/1999 | US5948080 System for assigning a received data packet to a data communications channel by comparing portion of data packet to predetermined match set to check correspondence for directing channel select signal |
| 09/02/1999 | WO1999021362B1 Method and apparatus for implementing seamless playback of continuous video feeds |
| 09/02/1999 | WO1999019854A9 Method and apparatus for sending presence messages |
| 09/02/1999 | WO1999019820A9 Electronic audio connection system and methods for providing same |
| 09/01/1999 | EP0939546A1 Filtering of digital data |
| 09/01/1999 | EP0938810A2 Semiconductor imaging sensor with on-chip encryption |
| 09/01/1999 | EP0938709A1 System and method for scheduling and processing image and sound data |
| 09/01/1999 | EP0768010B1 Transport processor interface and video recorder/playback apparatus for a digital television system |
| 09/01/1999 | EP0768009B1 Transport processor interface for a digital television system |
| 09/01/1999 | CN1227694A Program guide for DBS and cable TV |
| 09/01/1999 | CN1227457A Method and apparatus for producing program information and receiving apparatus for processing program information |
| 08/31/1999 | US5946664 Apparatus and method for executing a game program having advertisements therein |
| 08/31/1999 | US5946466 System and method for deterministic response to audio/video commands in a multimedia system |
| 08/31/1999 | US5946446 Recording and reproduction of variable-speed playback data using a specific area on each track of a recording medium |
| 08/31/1999 | US5946322 Hybrid access system utilizing credit/done polling protocols |
| 08/31/1999 | US5946051 Method and apparatus for enabling a user to access data network applications from a television system |
| 08/31/1999 | US5946050 Keyword listening device |
| 08/31/1999 | US5946048 Network device for handling digital data over a TV channel |
| 08/31/1999 | US5945991 Method and apparatus for centering an image on a display monitor |
| 08/31/1999 | US5945987 Interactive entertainment network system and method for providing short sets of preview video trailers |
| 08/31/1999 | CA2167801C System and method for storing and forwarding audio and/or visual information on demand |
| 08/26/1999 | WO1999043147A2 Dual compressed video bitstream camera for universal serial bus connection |
| 08/26/1999 | WO1999027471A9 Method and apparatus for analyzing media-related data |