Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
08/2004
08/26/2004US20040168189 Systems and methods for advertising television networks, channels, and programs
08/26/2004US20040168188 Electronic television program guide schedule system and method
08/26/2004US20040168186 System for collecting television program data
08/26/2004US20040167872 Accessing meta information triggers automatic buffering
08/26/2004US20040165666 Format conversion circuit
08/26/2004US20040165665 System stream creating apparatus which adjusts system clock reference based on total number of pictures to be stored and decoded during certain time period
08/25/2004EP1449380A2 Method and apparatus for recommending items of interest based on stereotype preferences of third parties
08/25/2004EP1449379A1 Affective television monitoring and control
08/25/2004EP1449377A2 Method and apparatus for generating a stereotypical profile for recommending items of interest using feature-based clustering
08/25/2004EP1449376A2 Method and apparatus for generating a stereotypical profile for recommending items of interest using item-based clustering
08/25/2004EP1449374A1 Method and apparatus for recommending items of interest based on preferences of a selected third party
08/25/2004EP1449373A2 Technique for effectively providing program material in a cable television system
08/25/2004EP1449371A1 Method and apparatus for partitioning a plurality of items into groups of similar items in a recommender of such items
08/25/2004EP1449370A2 System and method for hybrid conditional access for receivers of encrypted transmissions
08/25/2004EP1449366A1 Recording of broadcasting enhancement services
08/25/2004EP1449360A2 Improvements in receivers for television signals
08/25/2004EP1449046A2 Automatically recording content from a remote source into the electronic calendar of a pc
08/25/2004EP1417614A4 Processes for exploiting electronic tokens to increase broadcasting revenue
08/25/2004EP0893027B1 Compressed-video distribution system having a statistical multiplexer with transcoders
08/25/2004CN1524237A Automatic content analysis and representation of multimedia presentations
08/25/2004CN1164110C Method and system for implementing interactive broadcast and commercial advertisement
08/25/2004CN1164109C High efficiency bandwidth method and apparatus for transmitting user data in digital television data stream
08/25/2004CN1164106C Method for replacing video data and compressed data in video data stream
08/25/2004CN1164092C Method for setting internet browsing interface on television
08/25/2004CN1164079C Video indicator with rotation indication function on screen
08/24/2004US6782533 Encrypted start signal for game with data substitution in original data and means for limiting execution
08/24/2004US6782476 Data processing apparatus and authentication method applied to the apparatus
08/24/2004US6782189 Recording medium of stream data, and recording method and playback method of the same
08/19/2004WO2004071106A2 Method for storing and transmitting data generated by a security module
08/19/2004US20040163111 Metadata structure for providing access to EPG features from within broadcast advertisements
08/19/2004US20040163104 Television schedule system and method of operation for multiple program occurences
08/19/2004US20040163103 Method and system for managing timed responses to A/V events in television programming
08/19/2004US20040163101 Method and system for providing targeted advertisements
08/19/2004US20040161236 System for integrating broadcasting and communication technologies while ensuring qualities of services
08/19/2004US20040161107 AV data transmitter, AV data receiver, and AV data wireless communication system
08/19/2004US20040161049 Communication system
08/19/2004US20040161045 Digital communication system, transmitter, and data selecting apparatus
08/19/2004US20040160962 System and method for representing compressed information
08/19/2004US20040160637 Portable high speed internet access device
08/19/2004US20040160533 Decoder device and receiver using the same
08/19/2004US20040160344 Robust system for transmitting and receiving map data
08/18/2004EP1447981A1 Information processing device and method, program, and recording medium
08/18/2004EP1447955A2 Video data sending device and data high-rate returning device
08/18/2004EP1447930A2 System for integrating broadcasting and communication technologies while ensuring quality of services
08/18/2004EP1446958A1 Two way communication using light links
08/18/2004EP1446951A1 Method and system for information alerts
08/18/2004EP1446948A2 System and method for itv data automation via a broadcast traffic and scheduling system
08/18/2004EP1446945A1 Field extensible controllee sourced universal remote control method and apparatus
08/18/2004EP1281281A4 Home area network including arrangement for distributing television programming over local cable
08/18/2004EP1169862B1 Data format for a streaming information receiver
08/18/2004EP1025697A4 Channel scanning and channel change latency reduction in an atsc television receiver
08/18/2004CN1522541A Resource scalable decoding
08/18/2004CN1522407A Information image utilizing system, information image managing server, information image managing method, apparatus information image, program and recording medium
08/18/2004CN1522067A System for digital vsb transmission
08/18/2004CN1522064A Program guide in a digital video system
08/18/2004CN1163078C Image coding method and image coding device
08/18/2004CN1163072C 图象传输系统 Image transmission system
08/17/2004US6779073 Memory device having a systematic arrangement of logical data locations and having plural data portals
08/17/2004US6779041 Apparatus and method for streaming MPEG-1 data
08/17/2004US6778869 System and method for request, delivery and use of multimedia files for audiovisual entertainment in the home environment
08/17/2004US6778344 Recording medium and apparatus for protecting copyrighted digital data
08/17/2004US6778224 Adaptive overlay element placement in video
08/17/2004US6778222 Data broadcast apparatus for controlling presentation timing of additional data with high precision
08/12/2004WO2004068860A1 Information server apparatus, client terminal apparatus, sub-client terminal apparatus, information processing method, and storage medium having stored program therefor
08/12/2004WO2004068857A1 Data processing device and method, and digital broadcast receiver
08/12/2004US20040158856 Electronic program guide including live network multimedia broadcast channels
08/12/2004US20040158853 Method of selecting televisual programs, audiovisual apparatus for presenting televisual programs, and apparatus for providing additional services
08/12/2004US20040158718 Monitoring apparatus, computer program and network for secure data storage
08/12/2004US20040158645 Communication relay method, communication relay device, communication relay program and computer-readable recording medium storing communication relay program
08/12/2004US20040158333 Network control system for home appliances
08/12/2004US20040157601 Method for enabling a subscriber entity to actively communicate in a communication network
08/12/2004US20040155906 Display control device and method
08/11/2004EP1445950A1 Programme generation
08/11/2004EP1445914A2 Method and apparatus for delivery of a bytecode embedded within a transport stream
08/11/2004EP1445773A1 Encoding device and encoding method
08/11/2004EP1445702A1 Content transmission apparatus
08/11/2004EP1444838A1 Video recovery system and method
08/11/2004EP1444834A1 Apparatus and method for multimedia processing
08/11/2004EP1444830A2 Method and apparatus for encrypting media programs for later purchase and viewing
08/11/2004EP1444828A2 Multi-user profile generation
08/11/2004EP1444825A2 Video and digital multimedia aggregator content coding and formatting
08/11/2004EP1444805A1 Control of usage of contents in digital broadcasts
08/11/2004EP1444652A2 Pvr and method for inserting a stored advertisement into a displayed broadcast stream
08/11/2004EP1444643A1 Video surveillance system employing video primitives
08/11/2004EP1444579A1 Atm video caching system for efficient bandwidth usage for video on demand applications
08/11/2004EP1388232A4 Encryption/decryption engine for multiple data streams
08/11/2004EP0823179B1 Electronic television program guide schedule system and method with remote product ordering
08/11/2004CN1520694A Efficient transmission and playback of digital information
08/11/2004CN1520690A Interactive TV using remote control with built-in phone
08/11/2004CN1520686A EPG having PIP window history and sample view fanctionality
08/11/2004CN1520684A Management of electronic program guides
08/11/2004CN1520683A Electronic program guides system and program notifying method
08/11/2004CN1520586A Display system
08/11/2004CN1520190A 多媒体多路复用方法 Multimedia multiplexing method
08/11/2004CN1520185A Method and appts. for encrypting and compressing multimedia data
08/11/2004CN1520170A Method and system of realizing interactive computerized program quide
08/11/2004CN1520169A Program quide system with fli and browse and vertisements
08/11/2004CN1520118A Method and system for disaggregating audio/visual components
08/11/2004CN1161989C Editing device, editing method, splicing device splicing method, encoding device and encoding method
08/11/2004CN1161984C Method and system for synchronizing video index between audio-frequency/video-frequency signals and datas