Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
07/2003
07/24/2003US20030140008 Image processing system and image processing service method
07/24/2003US20030139980 Method and system for providing and controlling delivery of content on-demand over a cable television network and a data network
07/24/2003US20030139966 Advertisement delivery for streaming program
07/24/2003US20030138240 DVD rental system and method
07/24/2003US20030138237 Multimedia on demand for use in a near on demand environment
07/24/2003US20030138102 Method of protecting high definition video signal
07/24/2003US20030138050 Dynamic image receiver and dynamic image transmitter
07/24/2003US20030137688 Remote plug-and-play for home printer via cable network
07/24/2003US20030137605 Channel tuning method and television using channel name auto completion function
07/24/2003US20030137542 User interface for reviewing and controlling use of data objects
07/24/2003US20030137535 Display system with screen shut-off function and method of controlling same
07/24/2003US20030137534 Internet television and method for displaying text thereof
07/24/2003CA2466428A1 Method and apparatus for identifying a digital audio signal
07/23/2003EP1330126A2 Audio and video transmission and receiving system
07/23/2003EP1330121A1 Electronic program guide with digital storage
07/23/2003EP1330093A2 Multiresolution transmission
07/23/2003EP1330092A2 Multiresolution transmission
07/23/2003EP1330090A2 Multiresolution transmission with multicarrier modulation
07/23/2003EP1330089A2 Multiresoltion transmission and error correction coding with multicarrier signals
07/23/2003EP1330088A2 Multiresolution transmission
07/23/2003EP1329887A2 Data recording medium and apparatus with copy permission information
07/23/2003EP1329101A2 Trick-mode processing for digital video
07/23/2003EP1329100A2 Virtual creature displayed on a television
07/23/2003EP1329072A2 Ecm and emm distribution for multimedia multicast content
07/23/2003EP1329044A1 Method and apparatus for providing additional information about a broadcast
07/23/2003EP1328875A2 Linking to video information
07/23/2003CN1432255A Auxiliary information processing system with bitmapped on-screen display using limited computing resources
07/23/2003CN1431789A Low power consumption satellite broadcasting and receiving converter
07/23/2003CN1115872C Digital video receiving appts.
07/23/2003CN1115822C Method and appts. for controlling communications between electronic equipment utilizing continuous time data
07/22/2003US6598229 System and method for detecting and correcting a defective transmission channel in an interactive information distribution system
07/22/2003US6598228 Method and apparatus for controlling time-scale modification during multi-media broadcasts
07/22/2003US6598227 Vehicle entertainment system having multiple download channels
07/22/2003US6598226 Apparatus and method for providing, retrieving, and using data guide information supplied in a digital vestigial sideband signal
07/22/2003US6598172 System and method for clock skew compensation between encoder and decoder clocks by calculating drift metric, and using it to modify time-stamps of data packets
07/22/2003US6598075 Method and system for using multiple networks to provide a presentation
07/22/2003US6597860 Digital camcorder apparatus with MPEG-2 compatible video compression
07/22/2003US6597858 Compressed video editor with transition buffer matcher
07/22/2003US6597857 Interrupting play of audio/visual information
07/22/2003US6597789 Video/audio scrambling with single conversion tuners
07/22/2003US6597408 Fine tuning method for digital television
07/17/2003WO2003058968A1 Methods and systems for managing and collecting impulse pay-per-view (ippv) data in smart card enabled television terminals
07/17/2003WO2003058967A1 Wideband direct-to-home broadcasting satellite communications system and method
07/17/2003WO2003058963A1 System and method for inserting advertising content in broadcast programming
07/17/2003WO2003058955A1 Trick modes for compressed video streams
07/17/2003WO2003058954A2 Epg video-clip previews on demand
07/17/2003WO2003058950A1 Method and apparatus for simultaneously decrypting multiple services received on separate multiplexed transport streams
07/17/2003WO2003058508A2 Methods and systems for providing streaming media content in existing video delivery systems
07/17/2003WO2003058428A1 Display for a client terminal for an interactive video casting system
07/17/2003WO2003058425A1 System and method to remotely manage and audit set top box resources
07/17/2003WO2003021940A8 Implementation of mandatory segments in multimedia content
07/17/2003WO2002096024A3 Initial free preview for multimedia multicast content
07/17/2003WO2001050309A8 Informing network users of television programming viewed by other network users
07/17/2003US20030135867 System for transmitting digital data over a limited bandwidth link in plural blocks
07/17/2003US20030135863 Targeted scalable multicast based on client bandwidth or capability
07/17/2003US20030135861 Apparatus and method for merging MPEG streams in a headend system
07/17/2003US20030135860 Next generation television receiver
07/17/2003US20030135859 Home media network
07/17/2003US20030135857 Content discovery in a digital broadcast data service
07/17/2003US20030135856 System and method of channel MAP correction in an EPG guide
07/17/2003US20030135853 System and method of inserting advertisements into an information retrieval system display
07/17/2003US20030135822 Methods and systems for synchronizing data streams
07/17/2003US20030135814 Apparatus and method for efficient decoder normalization
07/17/2003US20030135813 Apparatus and method for saturating decoder values
07/17/2003US20030135742 Secure video card methods and systems
07/17/2003US20030135730 Content protection and copy management system for a network
07/17/2003US20030135636 Cluster filtering
07/17/2003US20030135634 System and method for enhancing self-understanding, visualization, and motivation
07/17/2003US20030135633 Streaming and managing complex media content on Web servers
07/17/2003US20030135608 Dynamic media interleaving
07/17/2003US20030135605 User rating feedback loop to modify virtual channel content and/or schedules
07/17/2003US20030135604 Integrated units with diagnostic capabilities
07/17/2003US20030135594 System and method for efficient distribution of multicastable services
07/17/2003US20030135544 Physical layer recovery in a streaming data delivery system
07/17/2003US20030135424 System and method for automatically updating media in a digital jukebox
07/17/2003US20030134590 Data communication apparatus, data communication system, data communication method and storage medium
07/17/2003US20030133694 Systems and methods for fast random access and backward playback of video frames using decoded frame cache
07/17/2003US20030133692 Video distribution system
07/17/2003US20030133572 Apparatus and method for activation of a security module in a set-top retail environment
07/17/2003US20030133571 Encryption of a compressed video stream
07/17/2003US20030133530 Apparatus and method for correcting signal imbalances for a multi-channel processing system
07/17/2003US20030133529 Method and apparatus for recording time information for digital data streams
07/17/2003US20030133514 Apparatus and method for decode arbitration in a multi-stream multimedia system
07/17/2003US20030133458 Unicast-to-multicast converting apparatus, method, and computer program product, and monitoring system comprising the same
07/17/2003US20030133448 Packet protocol for encoding and decoding video data and data flow signals and devices for implementing the packet protocol
07/17/2003US20030133081 Image projection system and a method of controlling a projected pointer
07/17/2003US20030133050 Channel selection in digital television
07/17/2003US20030133043 Communicating ancillary information associated with a plurality of audio/video programs
07/17/2003CA2472599A1 Methods and systems for managing and collecting impulse pay-per-view (ippv) data in smart card enabled television terminals
07/17/2003CA2471888A1 Methods and systems for providing streaming media content in existing video delivery systems
07/16/2003EP1328126A1 Method for communicating audiovisual programs over a communications network
07/16/2003EP1328119A1 Recording/reproducing system
07/16/2003EP1327359A1 Processor allocation for channels in a video multi-processor system
07/16/2003EP1327358A2 Systems and methods for supplementing on-demand media
07/16/2003EP1327353A2 Image printing order receiving system and method
07/16/2003EP1327221A2 Recording game information into a server
07/16/2003EP1127460A4 Algorithm for fast forward and fast rewind of mpeg streams
07/16/2003EP1078521B1 Method and apparatus for capacity increase and enhanced communications performance in catv networks
07/16/2003EP1068732B1 A packet protocol for encoding and decoding video data and data flow signals
07/16/2003CN1430851A Interactive TV. application with watch lists