Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
09/2000
09/27/2000EP1039674A2 Multiresoltion transmission and error correction coding with multicarrier signals
09/27/2000EP1039673A2 Multiresolution transmission and error correction coding with multicarrier signals
09/27/2000EP1039672A2 Multiresolution transmission, particularly for multicarrier systems
09/27/2000EP1038401A1 Virtual lan printing over interactive cable television system
09/27/2000EP1038400A1 Interactive cable television system with frame server
09/27/2000EP1038398A1 Electronic program guide system with advertising messages in pop-ups
09/27/2000EP1038397A1 Distributed scrambling method and system
09/27/2000EP1038393A1 Program guide system with browsing display
09/27/2000EP1038298A1 Integrated circuit with flag register for block selection of nonvolatile cells for bulk operations
09/26/2000US6125184 Method and apparatus for an adapter card providing conditional access in a communication system
09/26/2000US6124878 Optimum bandwidth utilization in a shared cable system data channel
09/26/2000US6124877 System for monitoring and reporting viewing of television programming
09/21/2000WO2000056077A1 Media coding for loss recovery with remotely predicted data units
09/21/2000WO2000056072A1 System and method for miniguide implementation
09/21/2000WO2000056065A1 System and method of channel map correction in an epg
09/21/2000WO2000056057A2 Method and apparatus for cross-connection of video signals
09/21/2000WO2000055794A2 Locally stored content previews in an electronic programming guide
09/21/2000WO1998043172A3 Access control system
09/21/2000CA2372165A1 System and method for miniguide implementation
09/21/2000CA2369972A1 Locally stored content previews in an electronic programming guide
09/21/2000CA2366088A1 Method and apparatus for cross-connection of video signals
09/20/2000EP1037466A2 Program distribution system, method of program distribution, transmitter and receiver
09/20/2000EP1037134A2 Virtual space control data receiving apparatus and method
09/20/2000EP1031237A4 Access system and method for providing interactive access to an information source through a networked distribution system
09/20/2000CN1267422A Method and apparatus for home network auto-tree builder
09/20/2000CN1267421A Promgramming tool for home networks
09/19/2000US6122662 Video-on-demand system capable of performing a high-speed playback at a correct speed
09/19/2000US6122660 Method for distributing digital TV signal and selection of content
09/19/2000US6122400 Compression encoder bit allocation utilizing colormetric-adaptive weighting as in flesh-tone weighting
09/19/2000US6122377 Video signal receiver with record protection
09/19/2000US6122322 Subliminal message protection
09/19/2000US6122123 Method and apparatus for recording digital information signals in which, in order to preserve timing, each packet is checked for the presence of program clock reference signal
09/19/2000US6121963 Virtual theater
09/14/2000WO2000054511A2 Error resilient still image packetization method and packet structure
09/14/2000WO2000054505A1 Session oriented settop communication using dynamic, synchronized routing
09/14/2000WO2000054504A1 System and method of inserting advertisements into an information retrieval system display
09/14/2000WO2000054493A1 Secure distribution of video on-demand
09/14/2000WO2000054223A1 Extracting a time-sequence of slides from video
09/14/2000WO2000054222A1 Elementary stream multiplexer
09/14/2000WO2000054161A1 Queuing architecture with multiple queues and method for statistical disk scheduling for video servers
09/14/2000CA2367188A1 Session oriented settop communication using dynamic, synchronized routing
09/13/2000EP1035698A2 Mutliresolution transmission system
09/13/2000EP1035697A2 Multiresolution transmission, in particular for multicarrier systems
09/13/2000EP1035696A2 Mutliresolution transmission system
09/13/2000EP1035695A2 Multiresolution transmission, particularly for multicarrier systems
09/13/2000EP1035694A2 Multiresolution transmission system
09/13/2000EP1035693A2 Multiresolution transmission, in particular for multicarrier systems
09/13/2000EP1034633A1 Method of providing and retrieving a data segment
09/13/2000EP1034471A1 Virtual 3d object control
09/13/2000EP1034469A1 Data entry system
09/13/2000EP0976250A4 Small-format subsystem for broadband communication services
09/13/2000CN1266589A Dual compressed video bitstream camera for universal serial bus connection
09/13/2000CN1266584A System and method for changing program guide format
09/13/2000CN1266583A System and method for processing audio-only programs in a television receiver
09/12/2000US6119213 Method for addressing data having variable data width using a fixed number of bits for address and width defining fields
09/12/2000US6119172 Access control for a TV/PC convergence device
09/12/2000US6119163 Multicasting method and apparatus
09/12/2000US6118976 Asymmetric data communications system
09/12/2000US6118873 System for encrypting broadcast programs in the presence of compromised receiver devices
09/12/2000US6118871 Device having a digital interface and a network system using such a device and a copy protection method
09/12/2000US6118786 Apparatus and method for multiplexing with small buffer depth
09/12/2000US6118498 Channel scanning and channel change latency reduction in an ATSC television receiver
09/12/2000US6118497 Interactive selection system for a video decoder modulator channel
09/12/2000US6118492 Guide system and method of operation
09/12/2000US6118486 Synchronized multiple format video processing method and apparatus
09/12/2000US6118472 Method and apparatus for seamless connectivity of wide-band networks and narrow-band networks
09/12/2000US6118450 Graphic user interface that is usable as a PC interface and an A/V interface
09/12/2000CA2261696C Data de-rotator and de-interleaver
09/08/2000WO2000052935A1 System and method for serving local and global media content
09/08/2000WO2000052934A1 System and method for serving local and global media content
09/08/2000WO2000052929A1 Tv planner for dss
09/08/2000WO2000052927A1 Method and device for providing two different types of service in a menu
09/08/2000WO2000052583A1 Secure streaming of digital audio/visual content
09/08/2000CA2816164A1 Multiple interactive electronic program guide system and methods
09/08/2000CA2680469A1 Secure streaming of digital audio/visual content
09/08/2000CA2365199A1 Method and device for providing two different types of service in a menu
09/06/2000EP1033880A2 Digital image scrambling for image coding systems
09/06/2000EP1033033A1 Packet filtering
09/06/2000EP1033019A1 Protocol for digital data transmission in the form of mpeg-ts elements
09/06/2000EP1032881A1 A robust, reliable compression and packetization scheme for transmitting video
09/06/2000CN1265805A System and method for recording pay TV programs
09/06/2000CN1265770A Model and command set for AV/C-based disc media player/recorder subunit
09/06/2000CN1265753A Method and apparatus for creating home network macros
09/05/2000USH1858 Radio frequency sensed, switched reverse path tap
09/05/2000US6115821 Conditional access system, display of authorization status
09/05/2000US6115818 Method and apparatus for embedding authentication information within digital data
09/05/2000US6115422 Protocol and procedure for time base change in an MPEG-2 compliant datastream
09/05/2000US6115080 Channel selection methodology in an ATSC/NTSC television receiver
09/05/2000US6115079 Programmable video channel controller
09/05/2000US6115074 System for forming and processing program map information suitable for terrestrial, cable or satellite broadcast
09/05/2000US6115035 System and method for automated audio/video archive and distribution
08/2000
08/31/2000WO2000051353A1 Active techniques for video transmission and playback
08/31/2000WO2000051352A1 Aircraft entertainment system having back-channel capabilities
08/31/2000WO2000051349A1 Active techniques for video transmission and playback
08/31/2000WO2000051343A1 Image processing device and method compatible with a television receiver
08/31/2000WO2000051310A1 System and method for interactive distribution of selectable presentations
08/31/2000WO2000028432A3 System and method for recording receipt of information
08/30/2000EP1032219A1 Image decoder, image encoder, image communication system, and encoded bit stream converter
08/30/2000EP1032208A1 Data transmitting/receiving method and its receiver
08/30/2000EP1031237A1 Access system and method for providing interactive access to an information source through a networked distribution system