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