Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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08/30/2000 | EP0932949A4 Apparatus and method for analyzing bitstreams |
08/30/2000 | CN1265219A Model and command set for AV/C-based disc player/recorder subunit |
08/30/2000 | CN1264984A Digital signal receiver and its receiving method |
08/29/2000 | US6112232 Data communication device for CATV networks |
08/29/2000 | US6112009 Apparatus and method for reproducing data from recording medium containing data units |
08/29/2000 | US6111924 Error-correction-code synchronization in a videoconferencing gateway |
08/29/2000 | US6111896 Remultiplexer for video program bearing transport streams with program clock reference time stamp adjustment |
08/29/2000 | US6111887 Method and apparatus for power tuning a terminal of a bi-directional communications system |
08/29/2000 | US6111614 Method and apparatus for displaying an electronic menu having components with differing levels of transparency |
08/29/2000 | US6111612 System for forming and processing text data for use in program specific information for broadcast |
08/29/2000 | US6111611 System for forming and processing program specific information suitable for terrestrial, cable or satellite broadcast |
08/29/2000 | US6111568 Personal computer system, compact disk, and method for interactively viewing the earth |
08/24/2000 | WO2000049808A1 Digital optical transmitter with improved noise power ratio |
08/24/2000 | WO2000049807A1 Module scheduling with a time interval and ending time |
08/24/2000 | WO2000049803A1 Medium on which stream data is recorded, its recording method, and its reproducing method |
08/24/2000 | WO2000049504A1 Data broadcasting system and method |
08/24/2000 | CA2361152A1 Module scheduling with a time interval and ending time |
08/23/2000 | EP1029411A1 Automatic linking to program-specific computer chat rooms |
08/23/2000 | EP0998796A4 Method and apparatus for aligning sub-stream splice points in an information stream |
08/23/2000 | EP0771468A4 Multiple user data storage, retrieval and distribution system |
08/23/2000 | CA2297497A1 Method for distributing digital tv signal and selection of content |
08/22/2000 | US6108695 Method and apparatus for providing analog output and managing channels on a multiple channel digital media server |
08/22/2000 | US6108516 Remote programmer for a satellite television receiver |
08/22/2000 | US6108422 Conditional access system, downloading of cryptographic information |
08/22/2000 | US6108382 Method and system for transmission of video in an asynchronous transfer mode network |
08/22/2000 | US6108365 GPS data access system |
08/22/2000 | US6108046 Automatic detection of HDTV video format |
08/22/2000 | US6107992 Remote control apparatus |
08/17/2000 | WO2000048343A1 A method and apparatus for generating a precise frame rate in digital video transmission |
08/17/2000 | WO1998031152A3 Embedding supplemental data in a digital video signal |
08/16/2000 | EP1028593A2 Method and device for control and delivery of digitally compressed visual data in a heterogeneous communication network |
08/16/2000 | EP1028551A2 Computer based graphical user interface for processing audio and video data and method of processing audio and video data |
08/16/2000 | EP1027802A2 Fast extraction of program specific information from multiple transport streams |
08/16/2000 | EP1027780A1 Method and apparatus for upgrading features and functions of a set top box in the field |
08/16/2000 | CN1263670A Graphic scene animation signal, corresponding method and device |
08/16/2000 | CN1263669A Digital AV data transmitting unit, receiving unit, transmitting/receiving unit and medium |
08/16/2000 | CN1263421A Method for controlling and transferring digit compressed viewdata in heterogeneous communication network and its equipment |
08/15/2000 | US6105134 Verification of the source of program information in a conditional access system |
08/15/2000 | US6104860 Conditional access system for local storage device |
08/15/2000 | US6104756 Sound-picture synchronous compression and synchronous reproduction system |
08/15/2000 | US6104727 Asymmetric communication system with regulated upstream channel |
08/15/2000 | US6104706 Method and apparatus for multiple media digital communication system |
08/15/2000 | US6104705 Group based control scheme for video compression |
08/15/2000 | US6104441 System for editing compressed image sequences |
08/15/2000 | US6104390 Method and apparatus to prevent top-most windows from interfering with TV mode in a PC/TV |
08/15/2000 | US6104334 Portable internet-enabled controller and information browser for consumer devices |
08/11/2000 | CA2298098A1 Method and device for control and compatible delivery of digitally compressed visual data in a heterogeneous communication network |
08/10/2000 | WO2000046991A1 Integrating interactive local internet access and downstream data transfer with upstream data carried by other media |
08/10/2000 | WO2000046988A2 Electronic program guide with support for rich program content |
08/10/2000 | WO2000046987A1 Monitor or tv receiver using a secondary analog signal path for displaying osd signals from external sources |
08/10/2000 | WO2000046986A1 A preferred service management system for a multimedia video decoder |
08/10/2000 | WO2000033532A3 Method and apparatus for delivery of a bytecode embedded within a transport stream |
08/10/2000 | CA2362706A1 Electronic program guide with support for rich program content |
08/10/2000 | CA2362024A1 Monitor or tv receiver using a secondary analog signal path for displaying osd signals from external sources |
08/09/2000 | EP1026888A2 A program for use in an internet apparatus |
08/09/2000 | EP1025709A1 Method and apparatus for reducing memory requirements for storing reference frames in a video decoder |
08/09/2000 | EP1025699A2 Method and apparatus for implementing seamless playback of continuous video feeds |
08/09/2000 | EP1025697A1 Channel scanning and channel change latency reduction in an atsc television receiver |
08/09/2000 | EP1025692A2 Computational resource allocation in an information stream decoder |
08/09/2000 | EP1025537A1 Multiple component compression encoder motion search method and apparatus |
08/09/2000 | EP1025498A1 Method and apparatus for targeting a digital information playback device |
08/09/2000 | EP0733251A4 Device and method of signal loss recovery for realtime and/or interactive communications |
08/09/2000 | CN1262845A Data signal for modifying graphic scene, corresponding method and device |
08/09/2000 | CN1262840A System for forming and processing program map information suitable for terrestrial, cable or satellite broadcast |
08/09/2000 | CN1262839A System for forming and processing program spcific formation for terrestrial, cable or satellite broadcast |
08/09/2000 | CN1262838A System for forming and processing program specific information containing text data for terrestrial, cable or satellite broadcast |
08/09/2000 | CN1262837A System for forming and processing text data for use in program specific information for broadcast |
08/09/2000 | CN1262754A Computer memory organization |
08/08/2000 | US6101604 Method and apparatus for embedding authentication information within digital data |
08/08/2000 | US6101547 Inexpensive, scalable and open-architecture media server |
08/08/2000 | US6101546 Method and system for providing data files that are partitioned by delivery time and data type |
08/08/2000 | US6101314 Digital video signal processing for recording and replay |
08/08/2000 | US6100936 Multiple-screen video adapter with television tuner |
08/08/2000 | US6100932 Methods and apparatus for efficiently storing reference frame data and using the stored data to perform motion compensated predictions |
08/08/2000 | US6100916 System and method for subscriber controlled signal blocking |
08/08/2000 | CA2189703C Usage management system |
08/08/2000 | CA2186627C Method and apparatus for preventing overflow and underflow of an encoder buffer in a video compression system |
08/03/2000 | WO2000045606A1 Method and apparatus for assuring sufficient bandwidth of a statistical multiplexer |
08/03/2000 | WO2000045590A1 Master and slave subscriber stations for digital video and interactive services |
08/03/2000 | WO2000045561A2 Method and system for distributed queues in a multimedia network with proxies |
08/03/2000 | WO2000045388A1 Method of describing multiple level digest segment information scheme for multimedia contents and apparatus for generating digest stream from described multiple level digest segment information scheme and method thereof |
08/03/2000 | WO2000027121A8 Consumption distance based rendering of entertainment programming |
08/03/2000 | WO1997005720A3 Cryptographic system with concealed work factor |
08/02/2000 | EP1023808A1 Multimedia multiplexing method |
08/02/2000 | EP1023788A1 Bi-directional communications protocol |
08/02/2000 | EP0891669B1 A method for controlling copy protection in digital video networks |
08/02/2000 | CN1262003A Audience measurement system for digital television |
08/02/2000 | CN1261756A Video data joint in asymptotic refreshing video data stream |
08/01/2000 | USRE36801 Time delayed digital video system using concurrent recording and playback |
08/01/2000 | US6098126 Method and apparatus for synchronization of data retrieval and presentation |
08/01/2000 | US6098046 Frequency converter system |
08/01/2000 | US6097878 Automatic timer event entry |
08/01/2000 | US6097676 Information recording medium and reproducing device therefor with codes representing the software category and channels of recorded data |
08/01/2000 | US6097442 Method and apparatus for reformatting auxiliary information included in a television signal |
08/01/2000 | US6097441 System for dual-display interaction with integrated television and internet content |
08/01/2000 | US6097439 Omnibus closed captioning decoder for encoded video |
08/01/2000 | US6097435 Video system with selectable bit rate reduction |
08/01/2000 | US6097422 Algorithm for fast forward and fast rewind of MPEG streams |
08/01/2000 | US6097383 Video and audio functions in a web television |
08/01/2000 | US6097377 Method for displaying used time of video processing apparatus |