| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 04/06/2004 | US6717958 Video data transmitting/receiving apparatus and method for transmitting video data in a frame structure |
| 04/06/2004 | US6717952 Method and apparatus for media data transmission |
| 04/06/2004 | US6717908 Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals |
| 04/06/2004 | US6717626 High contrast projection television shield |
| 04/06/2004 | CA2318936C Method for protecting the audio/visual data across the nrss interface |
| 04/06/2004 | CA2279923C Predictive coding method and decoding method for dynamic image |
| 04/06/2004 | CA2221754C Improvements in receivers for television signals |
| 04/01/2004 | WO2003056804A3 Method and system for managing timed responses to a/v events in television programming |
| 04/01/2004 | US20040064837 Distributing method |
| 04/01/2004 | US20040064833 Methods and apparatus for an advertisement display service using metadata |
| 04/01/2004 | US20040064832 Contents delivery system, and method, recording media, or program for the same |
| 04/01/2004 | US20040064417 Method for controlling use of database content |
| 04/01/2004 | US20040062395 Receiver for digital broadcast programs in accordance with receiver profile, and billing method therefor |
| 03/31/2004 | EP1404086A2 Method and apparatus for stepwise image quality complementary type coding |
| 03/31/2004 | EP1403872A2 Recording/reproduction apparatus and methods, input/output apparatus and methods, storage apparatus, transmission apparatus, and information processing apparatus and methods |
| 03/31/2004 | EP1403797A1 Communication system using communication network and communication method |
| 03/31/2004 | EP1402735A1 A method and apparatus for improved acquisition and monitoring of event information table sections |
| 03/31/2004 | EP1402733A2 Multiple program burst broadcast |
| 03/31/2004 | EP1402731A1 Apparatus and method for multiple rich media formats video broadcasting |
| 03/31/2004 | EP1402730A2 Expert model recommendation method and system |
| 03/31/2004 | EP1402722A1 Cross-device sharing of reminders for epg |
| 03/31/2004 | EP1402704A1 System and method for receiving multiple description media streams in fixed and mobile streaming media systems |
| 03/31/2004 | EP1402703A1 Method for distributing multiple description coded media streams on servers in fixed and mobile systems |
| 03/31/2004 | EP1402690A2 Method for connection acceptance control and rapid determination of optimal multi-media content delivery over networks |
| 03/31/2004 | EP1402680A2 System and method for a commercial multimedia rental and distribution system |
| 03/31/2004 | EP1402361A2 System and method for a communication terminal to manage memory and maintain a current application version for multiple applications |
| 03/31/2004 | EP1401547A1 Operation of a set of devices |
| 03/31/2004 | EP1153357A4 Managing entertainment system data |
| 03/31/2004 | EP1095337A4 Inexpensive, scalable and open-architecture media server |
| 03/31/2004 | EP1057143A4 A method of relaying digital video and audio data via a communication media |
| 03/31/2004 | CN1486573A Method and equipment for managing interactions in the MPEG-4 standard |
| 03/31/2004 | CN1486570A Method for storing encrypted data |
| 03/31/2004 | CN1486569A Conditional access for functional units |
| 03/31/2004 | CN1486568A Content/service handling and delivery |
| 03/31/2004 | CN1486089A System for generating digital data flow and receiver system for receiving data flow |
| 03/31/2004 | CN1144465C Apparatus for processing data elements to be inserted into frame, and receiver for receiving data elements set according to frame |
| 03/31/2004 | CN1144462C Prepay broadcast system with enhanced secret measure to prevent illegal watching of downloaded program |
| 03/31/2004 | CN1144456C Device and method for digital data recording/rendition |
| 03/31/2004 | CN1144400C Post-compression hidden data transport for video |
| 03/30/2004 | USRE38481 Method and apparatus for recording MPEG-compressed video data and compressed audio data on a disk |
| 03/30/2004 | US6715076 Video signal authentication system |
| 03/30/2004 | US6714984 Method and apparatus for media data transmission |
| 03/30/2004 | US6714921 System for controlling the distribution and use of digital works using digital tickets |
| 03/30/2004 | US6714722 Multimedia recorder with enhanced EPG-related functions |
| 03/30/2004 | US6714649 Pay broadcasting system with enhanced security against illegal access to a down loaded program in a subscriber terminal |
| 03/30/2004 | US6714594 Video content detection method and system leveraging data-compression constructs |
| 03/30/2004 | US6714264 Digital television channel surfing system |
| 03/25/2004 | WO2004025842A2 System for efficient recovery of node-b buffered data following mac layer reset |
| 03/25/2004 | WO2003029917A3 Non-deterministic method and system for the optimization of targeted content delivery |
| 03/25/2004 | WO2003010956A3 Methods and apparatus for transmission of television and additional data on separate channels |
| 03/25/2004 | WO2002054771A3 Multi-standard channel decoder for real-time digital broadcast reception |
| 03/25/2004 | US20040059911 Transmission apparatus and receiving apparatus |
| 03/25/2004 | US20040059826 Method and storage device for expanding and contracting continuous play media seamlessly |
| 03/25/2004 | US20040059779 Method and apparatus for allowing a remote site to interact with an intermediate database to facilitate access to the remote site |
| 03/25/2004 | US20040057728 Optical subscriber network system for receiving broadcast/communication signals |
| 03/25/2004 | US20040056874 Graphics display system with video scaler |
| 03/25/2004 | DE10342977A1 Display apparatus of mobile phone, has video processor which converts and outputs video signal into digital video data in television mode, and stops tuner operation and outputs user data in communication mode |
| 03/25/2004 | CA2615915A1 System for efficient recovery of node-b buffered data following mac layer reset |
| 03/24/2004 | EP1401209A2 Method and apparatus for video size conversion |
| 03/24/2004 | EP1401205A1 Monitoring support server |
| 03/24/2004 | EP1401204A1 Information providing system, information providing apparatus, and method |
| 03/24/2004 | EP1401124A2 Optical subscriber network system for receiving broadcast/communication signals |
| 03/24/2004 | EP1400927A1 Communication apparatus and method |
| 03/24/2004 | EP1400120A1 Method and apparatus for periodically delivering an optimal batch broadcast schedule based on distributed client feedback |
| 03/24/2004 | EP1400119A1 Method and apparatus for determining a broadcast schedule based on most recent client demand feedback |
| 03/24/2004 | EP1400117A1 Device and method for selectively supplying access to a service encrypted using a control word, and smart card |
| 03/24/2004 | EP1400116A2 Nearest neighbor recommendation method and system |
| 03/24/2004 | EP1400114A2 Efficient transmission and playback of digital information |
| 03/24/2004 | EP1400113A1 Parrallel and synchronized display of augmented multimedia information |
| 03/24/2004 | EP1400112A1 Epg having pip window history and sample view functionality |
| 03/24/2004 | EP1400111A1 Television program selection apparatus and method |
| 03/24/2004 | EP1400107A1 Remote control apparatus with one-touch url or program selection |
| 03/24/2004 | EP1400103A2 Method and apparatus for providing interactive media presentation |
| 03/24/2004 | EP1400044A1 Method of prompting audience members in an audience identification system |
| 03/24/2004 | EP1181821A4 Transmitting viewable data objects |
| 03/24/2004 | CN1484920A A method and apparatus for acquiring media services available from contnt aggregators |
| 03/24/2004 | CN1484919A Data destribution systems |
| 03/24/2004 | CN1484916A Automatic on-scveen display of auxiliary information |
| 03/24/2004 | CN1484808A System and method for switching voltage |
| 03/24/2004 | CN1484450A Quick digital channel switching |
| 03/24/2004 | CN1143547C Channel information transmission method and receiving device |
| 03/24/2004 | CN1143542C Receiving device, receiving method |
| 03/24/2004 | CN1143536C Receiving terminal, method for controlling the same |
| 03/24/2004 | CN1143535C Broadcast receiver selectively using navigation information multuiplexed on transport stream and recording medium recording method of the same |
| 03/24/2004 | CN1143526C 经改进的电视调谐系统 Improved television tuning system |
| 03/24/2004 | CN1143485C Data packet filtering device |
| 03/24/2004 | CN1143264C Scalable mixing for speech streaming |
| 03/23/2004 | US6711741 Random access video playback system on a network |
| 03/23/2004 | US6711552 Apparatus and method for saving commerce related information in a broadcast programming network |
| 03/23/2004 | US6710817 Decoder device and receiver using the same |
| 03/23/2004 | US6710815 Synchronizing multiple signals received through different transmission mediums |
| 03/23/2004 | US6710789 Device and method for authorizing use of a pre-coded display area |
| 03/23/2004 | CA2410389C Advanced set top terminal for cable television delivery systems |
| 03/18/2004 | WO2003041388A3 Position location and navigation using television signals |
| 03/18/2004 | WO2003003707A3 Webcam-based interface for initiating two-way video communication and providing access to cached video |
| 03/18/2004 | WO2002096089A3 System and method for multichannel short range media transfer and storage |
| 03/18/2004 | US20040055011 Apparatus and method for displaying a television video signal and data in a mobile terminal according to a mode thereof |
| 03/18/2004 | US20040055010 E-commerce facilitation for broadcast services |
| 03/18/2004 | US20040054862 Information recording medium having reproduction control program recorded thereon and reproduction control program |
| 03/18/2004 | US20040054653 Method and equipment for managing interactions in the MPEG-4 standard |