Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand]
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
03/2002
03/28/2002US20020038455 Method and apparatus for broadcasting information over a network
03/28/2002US20020038383 Enhanced video programming system and method for incorporating and displaying retrieved integrated internet information segments
03/28/2002US20020037160 Multimedia signal processing system
03/28/2002US20020037081 Cryptographic key distribution system and method for digital video systems
03/28/2002US20020037056 Communication system in digital televison
03/28/2002US20020037036 Video codec system, method for processing data between system and host system, and encoding/decoding control method in the system
03/28/2002US20020036721 Internet downloaded programmable remote control
03/28/2002US20020036704 Method for providing variable bit rate in streaming service
03/28/2002US20020036640 Animation distributing method, server and system
03/28/2002CA2423179A1 Method and apparatus for digital shopping
03/27/2002EP1191793A2 Animation distributing method, animation distributing server and corresponding system
03/27/2002EP1190572A1 Methods and apparatus for information broadcasting and reception
03/27/2002EP1190569A2 Automatic channel selection system
03/27/2002EP1190567A2 Programming interface for television settop core system software
03/27/2002EP1190565A1 Scaleable video system having shared control circuits for sending multiple video streams to respective sets of viewers
03/27/2002CN1342365A Digital television (DTV) including smart electronic program guide (EPG) and operating methods
03/27/2002CN1342025A Method for calculating moderate distortion in audio-visual compression system
03/27/2002CN1342024A Method for calculating moderate distortion in audio-visual compression system
03/27/2002CN1081869C Service for transmitting video signal
03/26/2002US6363488 Systems and methods for secure transaction management and electronic rights protection
03/26/2002US6363434 Method of managing resources within a network of consumer electronic devices
03/26/2002US6363213 Interface for digital recorder and display
03/26/2002US6363212 Apparatus and method for encoding and decoding digital video data
03/26/2002US6363209 Signal recording/reproducing method and apparatus, signal record medium and signal
03/26/2002US6363207 Method and apparatus for a virtual system time clock for digital audio/video processor
03/26/2002US6363061 Data transmission device, reception device, data transmission system, and data transmission method
03/21/2002WO2002023909A1 Method and device for providing/receiving media content over a digital network
03/21/2002WO2002023903A1 Information processing device, electronic device, information processing method, and medium
03/21/2002WO2002023897A1 Recording/reproducing system
03/21/2002WO2002023834A1 Method and system for delivering a synchronized stream of broadcast event data, live event data, and static event data over a hybrid fiber coax network
03/21/2002WO2002023776A1 Stream decoder
03/21/2002WO2002023773A2 System and method for ordering and delivering media content usingsupplementary data which is transmitted with a broadcast signal
03/21/2002WO2002023411A1 System for card-based service access
03/21/2002WO2002023379A2 A method and system for remotely modifying presentations in a multimedia conference
03/21/2002WO2002023321A1 Card for service access
03/21/2002WO2002023320A1 Card reading device for service access
03/21/2002WO2002023311A2 Method and system for managing rights in digital information over a network
03/21/2002WO2002023287A1 Multi-media enhanced program controlled machine
03/21/2002WO2002003693B1 Advanced set top terminal having a video call feature
03/21/2002WO2001097513A3 Method and system for enabling channel set up in a television signal receiver
03/21/2002WO2001086937A3 System and method for broadcasting information in a television distribution system
03/21/2002WO2001076245A3 System for providing alternative services
03/21/2002WO2001069405A8 Digital video system using networked cameras
03/21/2002WO2001061958A3 Method and system for synchronizing content
03/21/2002WO2001060073A3 Method and system for identification of pay-per-view programming
03/21/2002WO2001047254A3 Television control system
03/21/2002US20020035731 System and method for broadcasting information in a television distribution system
03/21/2002US20020035728 Interactive entertainment and information system using television set-top box
03/21/2002US20020035725 Multimedia data transmitting apparatus and method, multimedia data receiving apparatus and method, multimedia data transmission system, and storage medium
03/21/2002US20020035644 Compression and remote storage apparatus for data, music and video
03/21/2002US20020034374 Method and apparatus implementing random access and time-based functions on a continuous stream of formatted digital data
03/21/2002US20020034225 Coding of a data stream
03/21/2002US20020034193 Selectable depacketizer architecture
03/21/2002US20020034130 Recording medium, recording apparatus and reproduction apparatus
03/21/2002US20020034032 Recording medium and apparatus for protecting copyrighted digital data
03/21/2002CA2421601A1 Card reading device for service access
03/20/2002EP1189445A2 A system and method for representing compressed information
03/20/2002EP1189443A1 Method and apparatus for controlling the interactivity of elements in a video sequence
03/20/2002EP1189392A1 Data transmission method and data transmission device
03/20/2002EP1188312A2 Method and apparatus for displaying television program recommendations
03/20/2002EP1078514B1 Personal navigator system
03/20/2002EP1038393B1 Program guide system with browsing display
03/20/2002EP0829167B1 Asymmetric data communications system
03/20/2002CN1341322A Digital television system for reducing co-channel interference in 8 MHz channels
03/20/2002CN1340786A Content reproducing equipment and reproducing method
03/19/2002US6360369 Interference tolerant modem
03/19/2002US6360368 Method and apparatus for reducing overhead associated with content playback on a multiple channel digital media server having analog output
03/19/2002US6360275 System and method for transmitting and receiving data in a network
03/19/2002US6360253 Split personal computer system
03/19/2002US6360202 Variable rate video playback with synchronized audio
03/19/2002US6359911 MPEG-2 transport demultiplexor architecture with non-time-critical post-processing of packet information
03/19/2002US6359910 Clock conversion apparatus and method
03/19/2002US6359661 Multiple user profile remote control
03/19/2002US6359656 In-band synchronization of data streams with audio/video streams
03/19/2002US6359636 Graphical user interface for control of a home entertainment system
03/19/2002US6359580 Multiple source keypad channel entry system and method
03/19/2002CA2257577C System and method for interfacing mpeg-coded audiovisual objects permitting adaptive control
03/14/2002WO2002021842A1 Multilingual video-transmitting/receiving system
03/14/2002WO2002021839A2 Multiple advertising
03/14/2002WO2002021831A2 Video interaction
03/14/2002WO2002021786A2 Information management unit and method therefor
03/14/2002WO2002021761A2 Apparatus and method for selectively encrypting different the payload portion of multimedia data sent over a network
03/14/2002WO2002021359A1 Distributing method
03/14/2002WO2002021358A1 System for acquiring goods and/or services
03/14/2002WO2001076242A3 System and method for local meta data insertion
03/14/2002WO2001074085A3 Method and apparatus for embedding data in encoded digital bitstreams
03/14/2002WO2001067775A3 Encoded data recording apparatus and mobile terminal
03/14/2002WO2001067772A3 Sharing a streaming video
03/14/2002WO2001065835A3 A disk scheduling system with recordering of a bounded number of requests
03/14/2002US20020032910 Composite media file broadcasting program broadcasting control system
03/14/2002US20020032903 Authorization using ciphertext tokens
03/14/2002US20020032863 System and method for performing digital watermarking in realtime using encrypted algorithm
03/14/2002US20020032057 Game-program distribution system
03/14/2002US20020031097 Real time webcasting system and method for multicasting various multimedia contents through multichannel
03/14/2002US20020030874 Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
03/14/2002US20020030843 Portable high speed internet access device
03/14/2002US20020030760 Television receiver and additional information transmitting method
03/14/2002CA2421775A1 Video interaction
03/13/2002EP1187490A2 A method for computational graceful degradation in an audiovisual compression system
03/13/2002EP1187485A1 Method for providing media content over a digital network
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