| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 02/16/2005 | CN1581932A Cable modem moudel unit and electronic unit |
| 02/16/2005 | CN1581914A Method for realizing official telephone of SDH device using IP telephone |
| 02/16/2005 | CN1190099C Apparatus and method for providing TV broadcasting service in mobile in mobile communication system |
| 02/16/2005 | CN1190085C Statistical multiplexer and remultiplexer that accommodates changes in structure of group of pictures |
| 02/16/2005 | CN1190080C TV appaaratus of storage broadcasting information display, distributing device, and information distribution method |
| 02/15/2005 | US6857132 Head end multiplexer to select and transmit video-on-demand and other requested programs and services |
| 02/15/2005 | US6857131 Method and apparatus for displaying an image and data related to the image conditioned on user identifier |
| 02/15/2005 | US6857130 Resynchronizing media during streaming |
| 02/15/2005 | US6856997 Apparatus and method for providing file structure for multimedia streaming service |
| 02/15/2005 | US6856332 Picture adjustment method and apparatus for video display appliance |
| 02/15/2005 | CA2245339C Digital video receiving apparatus |
| 02/15/2005 | CA2220918C Logical and composite channel mapping in an mpeg network |
| 02/10/2005 | US20050034165 Digital entertainment system |
| 02/10/2005 | US20050034163 Video picture information delivering apparatus and receiving apparatus |
| 02/10/2005 | US20050034162 Video on demand methods and systems |
| 02/10/2005 | US20050034152 Receiving apparatus and receiving method |
| 02/10/2005 | US20050034149 Security device managed access to information |
| 02/10/2005 | US20050034054 Information image utilization system, information image management server, information image management method, device information image, program, and recording medium |
| 02/10/2005 | US20050033661 Information distribution system, terminal apparatus, information center, recording medium, and information distribution method |
| 02/10/2005 | US20050031301 Recording and reproducing an MPEG information signal on/from a record carrier |
| 02/10/2005 | US20050030383 Image sensor based vignetting correction |
| 02/09/2005 | EP1505835A1 An Entertainment System |
| 02/09/2005 | EP1505825A1 Video display system and video display control apparatus |
| 02/09/2005 | EP1505508A1 Data storing method, data storing system, data recording control apparatus, data recording instructing apparatus, data receiving apparatus, and information processing terminal |
| 02/09/2005 | EP1504604A2 Method for controlling an in-flight entertainment system |
| 02/09/2005 | EP1504596A2 High-resolution image projection |
| 02/09/2005 | EP1504595A1 Hd to sd guide converter for electronic television schedule system |
| 02/09/2005 | EP1166554A4 System and method for information filtering |
| 02/09/2005 | CN1579094A Parental controls using view limits |
| 02/09/2005 | CN1579090A Digital broadcast reception apparatus and communication information transmission method |
| 02/09/2005 | CN1579089A Automatic viewing history based television control system |
| 02/09/2005 | CN1579072A Method system and data structure for multimedia communications |
| 02/09/2005 | CN1579070A Method system and data structure for multimedia communications |
| 02/09/2005 | CN1578947A Method system and data structure for multimedia communications |
| 02/09/2005 | CN1578452A Remote display protocol, video display system, and terminal equipment |
| 02/09/2005 | CN1578397A Method and apparatus for reproducing multimedia data |
| 02/09/2005 | CN1578311A Rtp payload format |
| 02/09/2005 | CN1577205A Systems and methods for secure transaction management and electronic rights protection |
| 02/09/2005 | CN1189036C Method and system for preventing watermark from being reproduced |
| 02/09/2005 | CN1189033C Method for displaying menu with video frequency on TV screen and use of system thereof |
| 02/09/2005 | CN1188971C HFC return path system using digital conversion and transport |
| 02/08/2005 | US6853728 Video on demand pay per view services with unmodified conditional access functionality |
| 02/08/2005 | US6853650 Communication network, method for transmitting a signal, network connecting unit and method for adjusting the bit rate of a scaled data flow |
| 02/08/2005 | CA2278138C Method and apparatus for providing a menu structure for an interactive information distribution system |
| 02/03/2005 | US20050028224 Internally generated close captioning/tele-texting for set-up menus of network-capable signal-processing apparatus |
| 02/03/2005 | US20050028222 Mpeg-4 remote communication device |
| 02/03/2005 | US20050028218 Schedule system with enhanced recording capability |
| 02/03/2005 | US20050028217 Identifying ancillary information associated with an audio/video program |
| 02/03/2005 | US20050028201 Information system |
| 02/03/2005 | US20050028197 Video on demand methods and systems |
| 02/03/2005 | US20050025547 Image printing order receiving sysem and image printing order receiving method |
| 02/03/2005 | US20050025186 Data processing apparatus and data processing method, and recording medium |
| 02/03/2005 | US20050025147 Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method |
| 02/03/2005 | US20050024227 Method and apparatus to locate a device in a dwelling or other enclosed space |
| 02/02/2005 | EP1125434B1 Method and apparatus for customized rendering of commercials |
| 02/02/2005 | EP0898838B1 A modem with ip support |
| 02/02/2005 | EP0745295B1 Multimedia multiplexing device and method using dynamic packet segmentation |
| 02/02/2005 | CN1575598A Searching for frames to perform a trick mode |
| 02/02/2005 | CN1575564A Information providing system, information providing apparatus and method, and information processing apparatus and method |
| 02/02/2005 | CN1575457A Information providing system, information processing apparatus and method, and information providing apparatus and method |
| 02/02/2005 | CN1575422A Services based on position location using broadcast digital television signals |
| 02/02/2005 | CN1574972A Fast start-up for digital video streams |
| 02/02/2005 | CN1574962A Device and method for receiving and transmitting digital multimedia broadcasting |
| 02/02/2005 | CN1574955A Digital broadcasting system, digital broadcasting apparatus, and receiver apparatus for digital broadcasts |
| 02/02/2005 | CN1574948A Robust delivery of video data |
| 02/02/2005 | CN1574921A Digital television broadcasting receiver |
| 02/02/2005 | CN1574918A Scramble release device for scrambled digital broadcasting streams in broadcasting communication convergence system |
| 02/02/2005 | CN1574888A Clock signal generation apparatus |
| 02/02/2005 | CN1574671A Cable modem module and transmitter-receiver |
| 02/02/2005 | CN1574048A Method for reducing cut-offs in program recording |
| 02/02/2005 | CN1187981C Virtual frequency channel table of broadcasting protocol and method of broadcasting and receiving said broadcasting using said protocol |
| 02/02/2005 | CN1187943C Reformatting of variable rate data for fixed rate communication |
| 02/02/2005 | CN1187931C Multi-region interactive program guide for television |
| 02/02/2005 | CN1187694C Method for accessing video stream |
| 02/01/2005 | US6851090 Method and apparatus for displaying program recommendations with indication of strength of contribution of significant attributes |
| 02/01/2005 | US6850965 Method for connection acceptance and rapid determination of optimal multi-media content delivery over network |
| 02/01/2005 | US6850910 Active data hiding for secure electronic media distribution |
| 02/01/2005 | US6850693 User interface for television schedule system |
| 02/01/2005 | US6850689 Video apparatus with zoom-in magnifying function |
| 02/01/2005 | US6850567 Embedding supplemental data in a digital video signal |
| 02/01/2005 | US6850285 Method and apparatus for providing additional information to a selective call device about a broadcast |
| 02/01/2005 | US6848219 Integrated, adaptable theater, club and multiplex |
| 01/27/2005 | US20050022237 Method and system for internet content acquisition according to a program guide |
| 01/27/2005 | US20050022232 Scrambled video streams in an audiovisual product |
| 01/27/2005 | US20050022231 Open cable set-top box diagnosing system and method thereof |
| 01/27/2005 | US20050022230 Open cable set-top box diagnosing system and method thereof |
| 01/27/2005 | US20050022110 Method and apparatus for a home network auto-tree builder |
| 01/27/2005 | US20050021985 Content playback apparatus method and program and key management apparatus and system |
| 01/27/2005 | US20050021810 Remote display protocol, video display system, and terminal equipment |
| 01/27/2005 | US20050021806 System and method for delivering data streams of multiple data types at diffferent priority levels |
| 01/27/2005 | US20050021790 Method and apparatus for accessing a remote location by sensing a machine-resolvable code |
| 01/27/2005 | US20050021653 Multimedia search and browsing method using multimedia user profile |
| 01/27/2005 | US20050021609 Displaying complementary content sources |
| 01/27/2005 | US20050021507 System and method for searching and providing contents, and software storage media |
| 01/27/2005 | US20050019017 Obscuring data in an audiovisual product |
| 01/27/2005 | US20050019004 Playback of interactive television applications |
| 01/27/2005 | US20050019001 Method and apparatus for reproducing multimedia data |
| 01/27/2005 | US20050018785 Communication system |
| 01/27/2005 | US20050018770 Transcoding mpeg bittstreams for adding sub-picture content |
| 01/27/2005 | US20050018697 High-speed internet access system |