| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 06/06/2007 | EP1793585A2 Digital satellite broadcasting set-top box, and home network control system employing the same |
| 06/06/2007 | EP1792487A1 Interactive television using supplementary information and a backward channel via a mobile radio communication system |
| 06/06/2007 | EP1177689B1 System and method for improving video transmission over a wireless network. |
| 06/06/2007 | CN1975912A Data recording method and apparatus, data recording medium, and data reproducing method and apparatus |
| 06/05/2007 | US7228560 Performing server side interactive television |
| 06/05/2007 | US7228556 Distributed, interactive television program guide; system and method |
| 06/05/2007 | US7228413 Data transmitting/receiving method and its receiver |
| 06/05/2007 | US7228349 System and method for interacting with users over a communications network |
| 06/05/2007 | US7228061 Image display system, image reproducing apparatus, digital television apparatus, image display method, and storage medium for controlling image display based on additional information read from multiple image recording apparatuses |
| 06/05/2007 | US7227582 Graphics display system with video synchronization feature |
| 06/05/2007 | US7227512 Bi-directional communication system, display apparatus, base apparatus and bi-directional communication method |
| 06/05/2007 | CA2501758C Serving signals |
| 05/31/2007 | US20070124763 Interactive television targeted message system |
| 05/31/2007 | US20070124760 System and method for screening video communications within an interactive television system |
| 05/31/2007 | US20070124594 Authentification of data in a digital transmission system |
| 05/31/2007 | US20070124417 Method and apparatus for controlling a user's pc through a broadcast communication to archive information in the user's pc |
| 05/30/2007 | EP1791348A1 Electronic camera system, phtographing ordering device and phtographing system |
| 05/30/2007 | EP1790111A1 Software plug in framework to modify decryption methods in terminals |
| 05/30/2007 | EP1684467B1 Power saving via variable listen intervals in a WLAN |
| 05/30/2007 | EP1488644B1 Data structure for data streaming system |
| 05/30/2007 | EP1454246A4 Synchronous media playback and messaging system |
| 05/30/2007 | EP1452033A4 Real time interactive video system |
| 05/30/2007 | EP0909509B1 System and method for generation and interfacing of bitstreams representing mpeg-coded audiovisual objects |
| 05/30/2007 | CN1972440A An implementation method for picture-in-picture in IPTV |
| 05/30/2007 | CN1319380C Method and apparatus for decoding spatially scaled fine granular encoded video signals |
| 05/30/2007 | CN1319369C 视频记录系统和设备，及记录方法 Video recording systems and equipment, and recording method |
| 05/29/2007 | US7225459 Method and system for dynamically adjusting video bit rates |
| 05/29/2007 | US7225456 Gateway screen for interactive television |
| 05/29/2007 | US7225455 Electronic television program guide schedule system and method |
| 05/29/2007 | US7225275 System and method for delivering high-performance online multimedia services |
| 05/29/2007 | US7225164 Method and apparatus for implementing revocation in broadcast networks |
| 05/29/2007 | US7225160 Digital works having usage rights and method for creating the same |
| 05/29/2007 | US7224887 Recording and reproducing apparatus, MPEG image stream recording and reproducing |
| 05/29/2007 | US7224886 Method of using AV devices and AV device system |
| 05/29/2007 | US7224797 System and method for hybrid conditional access for receivers of encrypted transmissions |
| 05/29/2007 | US7224409 Channel tuning method and television using channel name auto completion function |
| 05/29/2007 | US7224404 Remote display control of video/graphics data |
| 05/29/2007 | US7224367 Face information transmission system |
| 05/29/2007 | CA2553384C User interface for television schedule system |
| 05/29/2007 | CA2324856C Method and apparatus for remote audiovisual signal recording |
| 05/24/2007 | WO2007058266A1 Portable wireless communication terminal abd emergency broadcast receiving system |
| 05/24/2007 | US20070118855 Remotely accessing and programming a set top box |
| 05/24/2007 | US20070118396 System and method for identifying desirable subscribers |
| 05/24/2007 | US20070116294 Cryptographic key distribution system and method for digital video systems |
| 05/23/2007 | EP1788807A2 Television program recording apparatus. |
| 05/23/2007 | EP1435037A4 Mobile content delivery system |
| 05/23/2007 | EP1433341A4 Dynamic content delivery responsive to user requests |
| 05/23/2007 | CN1968535A Method and apparatus for selecting target cell |
| 05/23/2007 | CN1968516A Call failure handling method and system |
| 05/23/2007 | CN1968514A Wireless communication network expanding system and method |
| 05/23/2007 | CN1968399A Broadcast service-based identical content identification method and system |
| 05/22/2007 | US7222354 Dynamic composition at the set-top box |
| 05/22/2007 | US7222353 Program signal blocking system |
| 05/22/2007 | US7221848 Data recording and reproducing apparatus and data recording and reproducing method |
| 05/22/2007 | US7221405 Universal closed caption portable receiver |
| 05/22/2007 | US7221387 Digital television with subscriber conference overlay |
| 05/22/2007 | US7221362 Display control device and method |
| 05/22/2007 | CA2447895C Network controller for cable television delivery systems |
| 05/17/2007 | US20070113256 Data transmission system, communication apparatus, and program |
| 05/17/2007 | US20070113254 CATV system, management device, cable modem, set-top box and program |
| 05/17/2007 | US20070113252 Wireless av system, av system, wireless center, av output device, channel selecting method, channel select data generating method, control program, and computer-readable recording medium storing the control program |
| 05/17/2007 | US20070113141 Vsb reception system with enhanced signal detection for processing supplemental data |
| 05/17/2007 | US20070110240 System and methods for permitting open access to data objects and for securing data within the data objects |
| 05/16/2007 | EP1786211A2 Program reception/execution apparatus that can commence execution of a machine program having only received the program in part, and a program transmission apparatus that enables such execution |
| 05/16/2007 | EP1446945A4 Field extensible controllee sourced universal remote control method and apparatus |
| 05/16/2007 | CN1965588A Seamless switching between random access units multiplexed in a multi angle view multimedia stream |
| 05/16/2007 | CN1964488A A method and device for carrying out coding using correlation between video signal frames in video code processing |
| 05/16/2007 | CN1964486A A method to quantify difference for video code processing and its device |
| 05/16/2007 | CN1964458A Digital content playing apparatus and inverse content storage and playing method |
| 05/16/2007 | CN1964457A Optical disc, a recorder, a player, a recording method, and a reproducing method that are all used for the optical disc |
| 05/16/2007 | CN1964428A Method and apparatus for creating alternative audio via closed caption data |
| 05/16/2007 | CN1964239A Apparatus and method for transmitting and receiving of broadcasting and communication combined service information |
| 05/16/2007 | CN1316826C Method and apparatus for generating recommendations based on user preferences and environmental characteristics |
| 05/16/2007 | CN1316774C Joint timing recovery and equalization for an N-antenna system |
| 05/16/2007 | CN1316407C Linking to video information |
| 05/15/2007 | US7219365 Apparatus and method for controlling a camera connected to a network |
| 05/15/2007 | US7219238 Data transfer control device, electronic instrument, and data transfer control method |
| 05/15/2007 | US7219229 Protected communication system |
| 05/15/2007 | US7219124 Provisioning system and method for auto-discovering customer premises equipment in activating xDSL |
| 05/15/2007 | US7218838 Recording medium of stream data, and recording method and playback method of the same |
| 05/15/2007 | US7218611 Broadcast system |
| 05/15/2007 | CA2322909C Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same |
| 05/15/2007 | CA2179874C Apparatus and method for executing a game program having advertisements therein |
| 05/10/2007 | US20070107066 Transmission/reception system, recording apparatus and method, providing apparatus and method, and program |
| 05/10/2007 | US20070107035 System and method for providing television services |
| 05/10/2007 | US20070107030 Combining real-time and batch mode logical address links |
| 05/10/2007 | US20070107028 Portable Wireless Monitoring and Control Station for Use in Connection With a Multi-media Surveillance System Having Enhanced Notification Functions |
| 05/10/2007 | US20070106945 Remote control method having gui function, and system using the same |
| 05/10/2007 | US20070106516 Creating alternative audio via closed caption data |
| 05/10/2007 | US20070103489 Graphics display system with anti-aliased text and graphics feature |
| 05/10/2007 | US20070102764 Information storage medium, information reproducing apparatus, and information reproducing method |
| 05/09/2007 | EP1784001A2 Transmission/reception system recording apparatus and method, providing apparatus and method, and program |
| 05/09/2007 | EP1783992A1 Mobile communication terminal and method for calculating play time of downloaded multimedia files |
| 05/09/2007 | EP1782625A1 Method and apparatus for signaling transmission code set in data broadcasting |
| 05/09/2007 | EP1782547A2 System for providing access to operation information |
| 05/09/2007 | EP1782267A1 Extended package scheme to support application program downloading, and system and method for application program service using the same |
| 05/09/2007 | EP1782248A2 Home network system with transmission error recovery |
| 05/09/2007 | EP1382147A4 A network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth |
| 05/09/2007 | CN1961580A Power management apparatus, systems, and methods |
| 05/09/2007 | CN1960478A Method and apparatus for controlling commercial tv |