| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 03/13/2002 | EP1187483A2 An encryption apparatus and method for synchronizing multiple encryption keys with a data stream |
| 03/13/2002 | EP1187423A2 Streaming information providing method |
| 03/13/2002 | EP1187381A2 Method and apparatus for receiving digital broadcast transmissions using different receiving modes |
| 03/13/2002 | EP1187347A1 Receiving device and receiving method |
| 03/13/2002 | EP1186171A1 Networking smart toys |
| 03/13/2002 | EP1186168A2 Method and apparatus for evaluating television program recommenders |
| 03/13/2002 | EP1186167A2 Electronic program guide viewing history generator method and system |
| 03/13/2002 | EP1186128A1 Method and device for detecting data concerning the viewing of video information and the relaying of this information to a central data processing installation |
| 03/13/2002 | EP0783818B1 Content programmer control of video and data display using associated data |
| 03/13/2002 | CN1339760A Information recording device and method, information processing terminal, method and equipment and recording medium |
| 03/13/2002 | CN1080905C Smart card message transfer winthout microprocessor intervention |
| 03/12/2002 | US6357046 Systems and methods for continually updating and retrieving interactive video information |
| 03/12/2002 | US6357045 Apparatus and method for generating a time-multiplexed channel surfing signal at television head-end sites |
| 03/12/2002 | US6357042 Method and apparatus for multiplexing separately-authored metadata for insertion into a video data stream |
| 03/12/2002 | US6357028 Error correction and concealment during data transmission |
| 03/12/2002 | US6356973 Memory device having a cyclically configured data memory and having plural data portals for outputting/inputting data |
| 03/12/2002 | US6356945 Method and apparatus including system architecture for multimedia communications |
| 03/12/2002 | US6356939 Interactive theater and feature presentation system |
| 03/12/2002 | US6356871 Methods and circuits for synchronizing streaming data and systems using the same |
| 03/12/2002 | US6356591 Video and audio processing method and apparatus |
| 03/12/2002 | US6356567 Embedded clock recovery and difference filtering for an MPEG-2 compliant transport stream |
| 03/12/2002 | US6356539 Interactive satellite broadcast system |
| 03/12/2002 | US6356316 Microkeyer: microcomputer broadcast video overlay device and method |
| 03/12/2002 | US6356312 MPEG decoder and decoding control method for handling system clock discontinuity |
| 03/12/2002 | US6356311 Video signal transmission apparatus |
| 03/12/2002 | US6356212 Single clock reference for compressed domain processing systems |
| 03/12/2002 | CA2075921C Method for providing video programming nearly on demand |
| 03/07/2002 | WO2002019720A2 Dynamic personalized content selection for a media server |
| 03/07/2002 | WO2002019718A1 Run-time hypervideo hyperlink indicator options in hypervideo players |
| 03/07/2002 | WO2002019717A2 Real-time audience monitoring, content rating, and content enhancing |
| 03/07/2002 | WO2002019716A1 Systems and method for interacting with users over a communications network |
| 03/07/2002 | WO2002019715A2 Time shifting enhanced television triggers |
| 03/07/2002 | WO2002019691A2 Electronic program guide subsystem for receiving and processing electronic program guide information from a set-top box |
| 03/07/2002 | WO2002019689A2 System for interactive television |
| 03/07/2002 | WO2002019622A2 Messaging in multicast networks |
| 03/07/2002 | WO2002019621A2 Method for controlling remote storage devices |
| 03/07/2002 | WO2002019589A1 Method and apparatus for transaction code embedding |
| 03/07/2002 | WO2002019309A1 System and method for displaying closed captions in an interactive tv environment |
| 03/07/2002 | WO2002019249A2 System and method for intelligent buffering and bandwidth allocation |
| 03/07/2002 | WO2001093190A3 Aiming indicia for a bar code |
| 03/07/2002 | WO2001065844A3 Method for visual display of broadcast audio-visual programmes and associated visual display device |
| 03/07/2002 | WO2001058163A3 System for distributed media network and meta data server |
| 03/07/2002 | WO2001058158A3 Methods and systems for forced advertising |
| 03/07/2002 | WO2001054410A3 Flexible content distribution method and apparatus |
| 03/07/2002 | US20020029274 Method for connection acceptance control and rapid determination of optimal multi-media content delivery over network |
| 03/07/2002 | US20020029273 System and method for calculating concurrent network connections |
| 03/07/2002 | US20020029216 Device and method for supplying the information of DVDs |
| 03/07/2002 | US20020027609 Decoder device and receiver using the same |
| 03/07/2002 | US20020027598 Telecommunication system, as well as terminal system, as well as switch, as well as method |
| 03/07/2002 | US20020027571 User friendly remote system interface |
| 03/07/2002 | US20020026867 Method and system for supplying contents via communication network |
| 03/07/2002 | CA2420946A1 Dynamic personalized content selection for a media server |
| 03/06/2002 | EP1185096A2 Content reproduction apparatus and reproduction method |
| 03/06/2002 | EP1185087A2 Digital television channel surfing system |
| 03/06/2002 | EP1183871A2 A method and apparatus for streaming scalable video |
| 03/06/2002 | EP1183869A1 Apparatus and method of using the same for internet and intranet broadcast channel creation and management |
| 03/06/2002 | EP1183620A1 Network of digital broadcast stations |
| 03/06/2002 | EP0902928B1 System for using media content in interactive digital media program |
| 03/06/2002 | EP0746941B1 Interactive television security through transaction time stamping |
| 03/06/2002 | CN1339222A Preferred service management system for a multimedia video decoder |
| 03/06/2002 | CN1338876A Progressive scanning sequence for transmitting movable image expert group and other data format |
| 03/06/2002 | CN1338866A Image regulating method and evice for video display apparatus |
| 03/05/2002 | US6353930 Digital broadcasting system, digital broadcasting apparatus, and receiver apparatus for digital broadcasters |
| 03/05/2002 | US6353868 Digital camera controlling communication by multiple function units |
| 03/05/2002 | US6353635 Method for simultaneously controlling multiple devices using a single communication channel |
| 03/05/2002 | US6353632 Video processing system with real time program duration compression and expansion |
| 03/05/2002 | US6353490 C/N performance of broadband two-way transmission of RF signals over transmission mediums with limited bandwidth |
| 03/01/2002 | WO2002001863A1 Method for receiving and displaying thematic audio-visual programme sequences, and receiver therefor |
| 02/28/2002 | WO2002017631A1 Digital watermarking for multimedia data |
| 02/28/2002 | WO2002017618A2 Distributed publishing network |
| 02/28/2002 | WO2001093580A9 Authentication and authorization epochs |
| 02/28/2002 | WO2001086945A3 Content propagation in interactive television |
| 02/28/2002 | WO2001067768A3 Optional verification of interactive television content |
| 02/28/2002 | WO2001067736A3 Apparatus and method for providing a plurality of interactive program guide initial arrangements |
| 02/28/2002 | WO2001059964A3 Distribution of media data using low-level objects and locator tables containing information about the low level objects |
| 02/28/2002 | US20020026646 Universal STB architectures and control methods |
| 02/28/2002 | US20020026644 Information distribution apparatus |
| 02/28/2002 | US20020026635 Source detection apparatus and method for audience measurement |
| 02/28/2002 | US20020026552 System and method for switching signals over twisted-pair wires |
| 02/28/2002 | US20020026496 Electronic-mail reminder for an internet television program guide |
| 02/28/2002 | US20020025141 Distribution system |
| 02/28/2002 | US20020024970 Transmitting MPEG data packets received from a non-constant delay network |
| 02/28/2002 | US20020024967 Dynamic configuration of input filtering parameters for an MPEG re-multiplexer |
| 02/28/2002 | US20020024908 Information outputting apparatus, information outputting method and presention medium |
| 02/28/2002 | US20020024892 Recording medium of stream data, and recording method and playback method of the same |
| 02/28/2002 | US20020024616 Television based on operating system and method of displaying an initial screen thereof |
| 02/28/2002 | US20020024610 Hardware filtering of input packet identifiers for an MPEG re-multiplexer |
| 02/27/2002 | EP1182889A2 Multiplexer, multimedia communication apparatus and time stamp generation method |
| 02/27/2002 | EP1182887A2 Apparatus and method of multiple decoding |
| 02/27/2002 | EP1182877A2 Sending progressive video sequences |
| 02/27/2002 | EP1182873A2 Audio/video data transfer system, audio/video data transfer method, and audio/video server |
| 02/27/2002 | EP1181821A1 Transmitting viewable data objects |
| 02/27/2002 | EP1181820A1 Video tape indexing system and method |
| 02/27/2002 | EP0613600B1 Transaction based interactive television system |
| 02/27/2002 | CN1338181A System for editing compressed image sequences |
| 02/27/2002 | CN1338180A System for providing video on demand |
| 02/27/2002 | CN1338080A Managing entertainment system data |
| 02/27/2002 | CN1337825A Method and apparatus for quickly accessing performance guide |
| 02/26/2002 | US6351773 Methods for restricting access of network devices to subscription services in a data-over-cable system |
| 02/26/2002 | US6351538 Conditional access and copy protection scheme for MPEG encoded video data |