| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 03/09/2005 | CN1192620C Smartcard for receiver of encrypted broadcast signal and receiver |
| 03/09/2005 | CN1192617C System and method for selecting live digital programme from multichannel transmission signal |
| 03/09/2005 | CN1192605C Integrating broadcast television pause and web browsing |
| 03/09/2005 | CN1192603C Program guide system with targeted advertisement |
| 03/08/2005 | US6865677 Contents rendering control method, contents reproducing equipment, and contents distribution equipment |
| 03/08/2005 | US6865675 Method and apparatus for use of a watermark and a unique time dependent reference for the purpose of copy protection |
| 03/08/2005 | US6865555 System and method for providing conditional access to digital content |
| 03/08/2005 | US6865374 Video recovery system and method |
| 03/08/2005 | US6865228 Digital data transmission apparatus and method for multiplexing multiplexing multi-channel video data within active video periods |
| 03/08/2005 | US6864921 Display control system for controlling a display screen formed of multiple display units |
| 03/03/2005 | WO2005020616A1 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station mobile terminal and mobile radio network |
| 03/03/2005 | WO2004114051A3 Viewing control device, viewing control program, and secure module |
| 03/03/2005 | US20050050332 Methods and systems for encoding and protecting data using digital signature and watermarking techniques |
| 03/03/2005 | US20050050202 Methods, systems and computer program products for application instance level workload distribution affinities |
| 03/03/2005 | US20050047752 Video data recorder with personal channels |
| 03/03/2005 | US20050047596 Broadcast receiving apparatus |
| 03/03/2005 | US20050047448 Digital multimedia broadcasting receiver and method for reproducing digital multimedia data |
| 03/03/2005 | US20050047404 Method, apparatus and computer program for processing multimedia data signals |
| 03/03/2005 | US20050046600 Robust system for transmitting and receiving map data |
| 03/02/2005 | EP1511326A1 Apparatus and method for multimedia reproduction using output buffering in a mobile communication terminal |
| 03/02/2005 | EP1511315A2 Method and system for recommending content |
| 03/02/2005 | EP1511297A2 Broadcast receiving apparatus |
| 03/02/2005 | EP1511296A1 Digital multimedia broadcasting receiver and method for reproducing digital multimedia data |
| 03/02/2005 | EP1510041A1 Reproduction of particular information using devices connected to a home network |
| 03/02/2005 | EP1046257B1 A home audio/video network with device control |
| 03/02/2005 | CN1589556A Digital implementation of multi-channel demodulators |
| 03/02/2005 | CN1589451A Video surveillance system employing video primitives |
| 03/02/2005 | CN1589011A Grading device and method for request information and gradidng system and method for requst information |
| 03/02/2005 | CN1588851A Biological identifying device and method for proofing replay attach |
| 03/01/2005 | US6862611 System and method for providing internet address corresponding to an electronic signal to a user |
| 03/01/2005 | US6862320 Image decoder, image encoder, image communication system, and encoded bit stream converter |
| 03/01/2005 | US6862264 Hybrid access system employing data acknowledgement suppression |
| 03/01/2005 | US6861964 Robust system for transmitting and receiving map data |
| 02/24/2005 | US20050044577 User input for access to television services |
| 02/24/2005 | US20050044574 Audio/visual server |
| 02/24/2005 | US20050044568 Video on demand methods and systems |
| 02/24/2005 | US20050044567 User interface for television schedule system |
| 02/24/2005 | US20050044566 Control access to television services |
| 02/24/2005 | US20050044565 Menu operation for access to television services |
| 02/24/2005 | US20050044563 Open cable set-top box diagnosing system and method thereof |
| 02/24/2005 | US20050044562 Method for verifying television receiver sets with access control and corresponding receiver set |
| 02/24/2005 | US20050044507 Picture adjustment method and apparatus for video display appliance |
| 02/24/2005 | US20050044361 Method for sharing rights objects between users |
| 02/24/2005 | US20050044189 Method and apparatus for identifying media content presented on a media playing device |
| 02/24/2005 | US20050044166 Startup methods and apparatuses for use in streaming content |
| 02/24/2005 | US20050042900 Cable modem module unit and electronic unit |
| 02/24/2005 | US20050041955 Authentification of data in a digital transmission system |
| 02/24/2005 | US20050041749 Digital television system |
| 02/24/2005 | US20050041748 Digital television system |
| 02/24/2005 | US20050041689 Statistical remultiplexing with bandwidth allocation among different transcoding channels |
| 02/24/2005 | US20050040973 Video scramble/descramble apparatus |
| 02/24/2005 | CA2768683A1 Information storage medium containing interactive graphic stream, and reproducing apparatus and method thereof |
| 02/23/2005 | EP1509024A2 Method for sharing rights objects between users |
| 02/23/2005 | EP1508892A1 Network type content reproduction system |
| 02/23/2005 | EP1508099A2 Quality of service control of streamed content delivery |
| 02/23/2005 | EP1444805A4 Control of usage of contents in digital broadcasts |
| 02/23/2005 | CN1586081A Streamed content delivery |
| 02/23/2005 | CN1586079A Method and apparatus for generating a stereotypical profile for recommending items of interest using item-based clustering |
| 02/23/2005 | CN1586078A Affective television monitoring and control |
| 02/23/2005 | CN1586077A Method and apparatus for recommending items of interest based on preferences of a selected third party |
| 02/23/2005 | CN1586076A Method and apparatus for generating a stereotypical profile for recommending items of interest using feature-based clustering |
| 02/23/2005 | CN1586075A Method and apparatus for partitioning a plurality of items into groups of similar items in a recommender of such items |
| 02/23/2005 | CN1585929A ATM video caching system for efficient bandwidth usage for video on demand applications |
| 02/23/2005 | CN1585475A Subtitling transmission system |
| 02/23/2005 | CN1585324A Method for sharing rights objects between users |
| 02/23/2005 | CN1190967C Method and apparatus for quickly accessing performance guide information |
| 02/23/2005 | CN1190965C Apparatus and method for web-casting over digital broadcast TV network |
| 02/23/2005 | CN1190961C Information processing device and method |
| 02/23/2005 | CN1190957C Apparatus and method for detecting display mode |
| 02/23/2005 | CN1190922C System and method for providing video service in environment of radio network |
| 02/23/2005 | CN1190917C Transmission stream multipass shunting device |
| 02/22/2005 | US6859877 Image processing apparatus and method, and computer readable memory medium storing program for executing image processing |
| 02/22/2005 | US6859845 System for resolving conflicts due to simultaneous media streams and method thereof |
| 02/22/2005 | US6859838 Media player with programmable playlists |
| 02/22/2005 | US6859496 Adaptively encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel |
| 02/22/2005 | CA2445287C An operation center for a television program packaging and delivery system |
| 02/22/2005 | CA2257155C Method and apparatus for splicing compressed information streams |
| 02/22/2005 | CA2238905C Transmission signal id for analog television broadcasts |
| 02/22/2005 | CA2165275C Apparatus and method for decoding data |
| 02/17/2005 | US20050039219 Program viewing apparatus and method |
| 02/17/2005 | US20050039217 Cable modem module unit and electronic unit |
| 02/17/2005 | US20050039216 Digital broadcast receiving apparatus and communication information transmission method |
| 02/17/2005 | US20050038904 Data broadcast system to aid a broadcaster to transmit and receive digital information over existing audio/video broadband broadcast medium |
| 02/17/2005 | US20050037743 Multicast meeting unit and multicast meeting program |
| 02/17/2005 | US20050036763 Method of processing multiplexed program data using entry points and time units |
| 02/16/2005 | EP1507412A1 Information processing device and method, recording medium, and program |
| 02/16/2005 | EP1507212A1 Information processing apparatus, information processing method, content distributing apparatus, content distributing method, and computer program |
| 02/16/2005 | EP1118213A4 Techniques for intelligent video ad insertion |
| 02/16/2005 | EP1103142A4 Video data recorder for recording predefined format shows |
| 02/16/2005 | CN1582581A Apparatus and method for multimedia processing |
| 02/16/2005 | CN1582578A Mapping system for transmission and reception of multiple data types |
| 02/16/2005 | CN1582576A Method and system for information alerts |
| 02/16/2005 | CN1582570A Video recording system and method for a plurality of individual users and catergories of users |
| 02/16/2005 | CN1582566A Implementation of mandatory segments in multimedia content |
| 02/16/2005 | CN1582427A Method and apparatus for adaptively storing program guide data |
| 02/16/2005 | CN1582424A Method and apparatus for adaptively storing program guide data |
| 02/16/2005 | CN1582420A System and method for protecting a peripheral device against hot plug attacks |
| 02/16/2005 | CN1581971A Karaoke on-bemand system based on single-way digital transmission network and method for realizing same |
| 02/16/2005 | CN1581962A 数字娱乐系统 Digital entertainment system |
| 02/16/2005 | CN1581933A Cable modem moudel unit and electronic unit |