| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 01/22/2003 | EP1278379A2 Playing digital media data |
| 01/22/2003 | EP1278339A1 Method and apparatus for communicating data from a first to a second data network |
| 01/22/2003 | EP1277350A1 Bit rate allocation in joint bit rate transcoding |
| 01/22/2003 | EP1277349A2 A method of generating timestamps for isochronous data |
| 01/22/2003 | EP1277345A2 Backward compatible multiple data stream transmission method and system for compressed domain signals |
| 01/22/2003 | EP1277298A2 System and method for providing content interruptions |
| 01/22/2003 | EP0900491B1 A method and apparatus for using network address information to improve the performance of network transactions |
| 01/22/2003 | CN1393075A FEC scheme for encoding two bit-streams |
| 01/22/2003 | CN1392705A Singnal main controller using infrared transmission ordor and bus transmission order to control AV device |
| 01/22/2003 | CN1392498A Method and device for automatically or electronically addressing data in files |
| 01/21/2003 | US6510557 Apparatus for the integration of television signals and information from an information service provider |
| 01/21/2003 | US6510553 Method of streaming video from multiple sources over a network |
| 01/21/2003 | US6509908 Personal navigator system |
| 01/21/2003 | CA2279076C Signal distribution network |
| 01/21/2003 | CA2257578C System and method for processing object-based audiovisual information |
| 01/19/2003 | CA2394112A1 Detection of unauthorized applications, objects, or configurations in a local device of a cable system |
| 01/16/2003 | WO2003005729A1 Resource scalable decoding |
| 01/16/2003 | WO2003005725A2 Method and system for streaming media with multiple description |
| 01/16/2003 | WO2003005724A2 Communication protocol for content on demand system with callback time |
| 01/16/2003 | WO2003005708A1 Broadcast system |
| 01/16/2003 | WO2003005697A2 System and method for the application of a statistical multiplexing algorithm for video encoding |
| 01/16/2003 | WO2003005677A1 System and method for receiving multiple description media streams in fixed and mobile streaming media systems |
| 01/16/2003 | WO2003005676A1 Method for distributing multiple description coded media streams on servers in fixed and mobile systems |
| 01/16/2003 | WO2003005263A1 Communication system using communication network and communication method |
| 01/16/2003 | WO2003005175A2 Multi-level, multi-dimensional content protection |
| 01/16/2003 | WO2003005153A2 Electronic tokens to increase broadcasting revenue |
| 01/16/2003 | WO2003005148A2 System and method for a commercial multimedia rental and distribution system |
| 01/16/2003 | WO2003005147A2 Method and system for inserting a new channel into a list of preferred channels |
| 01/16/2003 | WO2001060053A9 Incorporating graphics and interactive triggers in a video stream |
| 01/16/2003 | WO2001058154A3 Systems and methods for providing promotions with recorded programs |
| 01/16/2003 | US20030014767 System and method for creating and receiving personalized broadcasts |
| 01/16/2003 | US20030014761 System and method for retrieving information by one click using caption information |
| 01/16/2003 | US20030014759 Intelligent peer-to-peer system and method for collaborative suggestions and propagation of media |
| 01/16/2003 | US20030014755 Method and system for processing correlated audio-video segments with digital signatures within a broadcast system |
| 01/16/2003 | US20030014754 Advertisement response system |
| 01/16/2003 | US20030014753 Distributed , interactive television program guide; system and method |
| 01/16/2003 | US20030014751 Method of controlling levels used to restrict video reproduction by video reproducing system and apparatus for controlling the same |
| 01/16/2003 | US20030014499 Method of transcoding documents in a network environment using a proxy server |
| 01/16/2003 | US20030014404 Nearest neighbor recommendation method and system |
| 01/16/2003 | US20030013526 Method and apparatus for coordinating an interactive computer game with a broadcast television program |
| 01/16/2003 | US20030013424 Variable delay channel scan |
| 01/16/2003 | US20030012554 Methods and apparatus for advanced recording options on a personal versatile recorder |
| 01/16/2003 | US20030012549 Information processing apparatus and method, recording medium, and program |
| 01/16/2003 | US20030012399 Filtering system for a pornographic movie and filtering method |
| 01/16/2003 | US20030012378 Apparatus of conditional-access module, receiving terminal apparatus and method |
| 01/16/2003 | US20030012290 Coding and decoding a signal modified in accordance with the feedback states of an encoder |
| 01/16/2003 | US20030011718 Remotely controlling video display devices |
| 01/16/2003 | US20030011716 Commercial attenuator |
| 01/16/2003 | US20030011714 System and method for transmitting program data including immersive content |
| 01/16/2003 | US20030011627 Method and system for providing a multimedia presentation |
| 01/16/2003 | CA2453310A1 System and method for a commercial multimedia rental and distribution system |
| 01/16/2003 | CA2453102A1 Processes for exploiting electronic tokens to increase broadcasting revenue |
| 01/16/2003 | CA2452618A1 Communication protocol for content on demand system with callback time |
| 01/15/2003 | EP1276332A1 Multi-layered multiplexing for generating MPEG-2 transport stream from MPEG-2 and MPEG-4 elementary streams |
| 01/15/2003 | EP1276326A2 Object based audio visual terminal and bitstream structure |
| 01/15/2003 | EP1276036A2 System for controlling the distribution and use of digital works using digital tickets |
| 01/15/2003 | EP1276035A2 System for controlling the distribution and use of digital works using digital tickets |
| 01/15/2003 | EP1275255A2 Method and apparatus for transport of scenegraph information across a network |
| 01/15/2003 | EP1275253A2 Systems and methods for improved audience measuring |
| 01/15/2003 | EP1275249A2 System for providing alternative services |
| 01/15/2003 | EP1275247A2 Personal video recording system with home surveillance feed |
| 01/15/2003 | EP1275242A2 Content propagation in interactive television |
| 01/15/2003 | EP1125434A4 Method and apparatus for customized rendering of commercials |
| 01/15/2003 | EP1072015A4 Multiresolution compressed image management system and method |
| 01/15/2003 | CN1391766A Interactive television targeted message system |
| 01/15/2003 | CN1391383A Digital residual side band transmission system |
| 01/15/2003 | CN1391382A Digital residual side band transmission systems |
| 01/15/2003 | CN1391222A Combination system and method against copied mistakes in it |
| 01/15/2003 | CN1099099C Method of reproducing multimedia data and multimedia data server system |
| 01/14/2003 | US6507951 System for time-shifting events in a multi-channel convergence system |
| 01/14/2003 | US6507764 Network of digital broadcast stations |
| 01/14/2003 | US6507727 Purchase and delivery of digital content using multiple devices and data networks |
| 01/14/2003 | US6507697 Data recording and reproduction apparatus, method and system for sending out data |
| 01/14/2003 | US6507696 Method and apparatus for providing additional DVD data |
| 01/14/2003 | US6507592 Apparatus and a method for two-way data communication |
| 01/14/2003 | US6507369 Caption data processing apparatus for digital TV |
| 01/14/2003 | US6507299 Embedding supplemental data in an information signal |
| 01/09/2003 | WO2003003760A2 Method for connection acceptance control and rapid determination of optimal multi-media content delivery over networks |
| 01/09/2003 | WO2003003742A1 Subscriber network reception and transmittion of digital packets |
| 01/09/2003 | WO2003003741A1 Media data use measurement with remote decoding/pattern matching |
| 01/09/2003 | WO2003003740A1 Method and apparatus for permitting unconfirmed viewing time with addressable pay tv |
| 01/09/2003 | WO2003003739A1 Information providing system, information providing apparatus, and method |
| 01/09/2003 | WO2003003731A2 Efficient transmission and playback of digital information |
| 01/09/2003 | WO2003003727A1 Epg having pip window history and sample view functionality |
| 01/09/2003 | WO2003003726A1 Interactive program guide for bidirectional services |
| 01/09/2003 | WO2003003725A1 Epg with video previews |
| 01/09/2003 | WO2003003724A1 Cross-device sharing of reminders for epg |
| 01/09/2003 | WO2003003723A1 Management of electronic program guides |
| 01/09/2003 | WO2003003710A2 Method and system to provide a home style user interface to an interactive television system |
| 01/09/2003 | WO2003003709A2 Method and apparatus for recordable media content distribution |
| 01/09/2003 | WO2003003707A2 Webcam-based interface for initiating two-way video communication and providing access to cached video |
| 01/09/2003 | WO2003003587A2 Conditional access system |
| 01/09/2003 | WO2003003342A1 A subscriber television system user interface with a virtual reality media space |
| 01/09/2003 | WO2003003308A1 Communication apparatus and method |
| 01/09/2003 | WO2003003164A2 Bandwidth allocation and pricing system for downloadable media content |
| 01/09/2003 | WO2002096107A3 Apparatus and method for providing an indication of program(s) and/or activities |
| 01/09/2003 | WO2002093921B1 Simultaneous digital television streams with conditional access |
| 01/09/2003 | WO2002080547A3 A method for adaptive data/content insertion in mpeg2 transport stream |
| 01/09/2003 | WO2002051047A3 Method and apparatus for efficiently accessing sequentially broadcast data |
| 01/09/2003 | WO2002032531A3 Method and apparatus for coordinating an interactive computer game with a broadcast television program |