| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 01/31/2007 | CN1298161C Method and apparatus for preparing and transmitting electronic program information and apparatus for producing electronic program guide |
| 01/31/2007 | CN1298160C Broadcast reception method |
| 01/30/2007 | US7171678 Systems and methods for establishing and administering sessions in digital cable systems |
| 01/30/2007 | US7171553 Method for providing a secure communication between two devices and application of this method |
| 01/30/2007 | US7171107 Timecoding media samples |
| 01/30/2007 | CA2426317C Recording medium for protecting copyrighted data |
| 01/30/2007 | CA2410573C Video size conversion and transcoding from mpeg-2 to mpeg-4 |
| 01/25/2007 | US20070022088 Method and apparatus for efficiently fixing transformed part of content |
| 01/25/2007 | US20070019739 Video and audio reproducing apparatus and video and audio reproducing method for reproducing video images and sound based on video and audio streams |
| 01/25/2007 | US20070019684 System and method for effectively performing an audio/video synchronization procedure |
| 01/24/2007 | EP1746844A2 Generalized reference decoder for image or video processing |
| 01/24/2007 | EP1746836A2 Encoded stream reproducing apparatus |
| 01/24/2007 | EP1746832A2 Television schedule system with access control |
| 01/24/2007 | EP1344401B1 Data distribution system |
| 01/24/2007 | CN1901750A Detecting method and its system for missing matched adjacent zone |
| 01/24/2007 | CN1901729A Statistic method for communication service quality and its system terminal |
| 01/24/2007 | CN1901679A Method for information selecting and dividing based on micro block inner edge |
| 01/24/2007 | CN1901675A Data recording method and apparatus, and data reproducing method and apparatus |
| 01/24/2007 | CN1901656A Video and audio reproducing apparatus and video and audio reproducing method, output time changing apparatus and method |
| 01/24/2007 | CN1901640A The display device for guiding the information of ordered types and the method for controlling the same |
| 01/24/2007 | CN1901639A Ordered electronic program guide device and method |
| 01/24/2007 | CN1901495A Circular node organizing method in reciprocal network request broadcast system |
| 01/24/2007 | CN1901481A Method for judging spring grouping ring topology stability |
| 01/24/2007 | CN1901477A Searching method and its system for equipment traffic data |
| 01/24/2007 | CN1901451A Authentification of data in a digital transmission system |
| 01/24/2007 | CN1900943A Systems and methods for secure transaction management and electronic rights protection |
| 01/24/2007 | CN1900942A Systems and methods for secure transaction management and electronic rights protection |
| 01/24/2007 | CN1297151C Video synchronization |
| 01/24/2007 | CN1297139C System for parental control in video programs based on multimedia content information |
| 01/24/2007 | CN1296829C Receiving/storing device, transmission device, broadcasting system, receiving/storing method, transmission method, broadcasting method, programme and medium |
| 01/24/2007 | CN1296797C Device for interacting with real-time streams of content |
| 01/23/2007 | US7168087 Distributed publishing network |
| 01/23/2007 | US7168085 Time-based selection of EPG data destined for low resource clients |
| 01/23/2007 | US7167679 Display terminal |
| 01/23/2007 | US7167633 Methods, systems and data structures for timecoding media samples |
| 01/23/2007 | US7167531 System and method for shared decoding using a data replay scheme |
| 01/23/2007 | US7167488 Method and apparatus for processing variable bit rate information in an information distribution system |
| 01/23/2007 | US7167212 VSB reception system with enhanced signal detection or processing supplemental data |
| 01/23/2007 | CA2375842C Multi-channel mpeg video transcoder using multiple programmable processors |
| 01/23/2007 | CA2332405C Communication system |
| 01/23/2007 | CA2295785C Programming tool for home networks |
| 01/18/2007 | US20070016727 Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner |
| 01/18/2007 | US20070015488 Broadcasting program-reproducing apparatus |
| 01/17/2007 | EP1744563A2 Signal transmission system |
| 01/17/2007 | EP1744557A1 Method and device for shaping the service flow transmitted in network |
| 01/17/2007 | EP1744556A1 Accumulation display device, interlocked display method and system |
| 01/17/2007 | EP1421785A4 Interactive program guide configuration system |
| 01/17/2007 | EP1118058B1 Personalized time-shifted programming |
| 01/17/2007 | CN1897676A Video instrument for storing multiple data of compressed format and its control method |
| 01/17/2007 | CN1897641A Apparatus for controlling the display of data |
| 01/17/2007 | CN1897628A Dmb system for notifying important dmb data transmission and its method |
| 01/17/2007 | CN1897138A Method and apparatus for accessing content |
| 01/17/2007 | CN1295931C Data processing method used for receiver |
| 01/17/2007 | CN1295928C 互动媒体响应处理系统 Interactive media response processing system |
| 01/17/2007 | CN1295913C Internet television and method for displaying its text |
| 01/16/2007 | US7165266 Combining real-time and batch mode logical address links |
| 01/16/2007 | US7165265 Broadcast reception apparatus for obtaining and storing high-use-possibility reproduction programs beforehand |
| 01/16/2007 | US7165175 Apparatus, system and method for selectively encrypting different portions of data sent over a network |
| 01/16/2007 | US7164450 Remote control |
| 01/11/2007 | US20070008302 Bi-directional communication system, display apparatus, base apparatus and bi-directional communication method |
| 01/10/2007 | EP1742477A1 Authoring of complex audiovisual products |
| 01/10/2007 | EP1742441A1 Controlling digital rights of the "play N times" type for a digital audio and/or video content |
| 01/10/2007 | EP1741294A1 Method and device for the automatic processing of spontaneous data |
| 01/10/2007 | EP1433327A4 Method and system for providing an audio/video in-route entertainment system |
| 01/10/2007 | EP0992157B1 Tv graphical user interface having cursor position indicator |
| 01/10/2007 | CN1893664A Encoded stream reproducing apparatus |
| 01/10/2007 | CN1893654A Video signal transmission method and video processing system |
| 01/10/2007 | CN1893642A 交互式电视 Interactive TV |
| 01/10/2007 | CN1893632A Apparatus and method for offering broadcast service in a dmb system having single frequency network and system |
| 01/10/2007 | CN1893621A Image device with special pattern -drawing function and control method thereof |
| 01/10/2007 | CN1893609A Information playback apparatus and information playback method |
| 01/10/2007 | CN1893599A Projection capable of regulating contrast |
| 01/10/2007 | CN1893588A Image display device capable of automatically loading application code data and control method thereof |
| 01/10/2007 | CN1294754C Information processing system and information processing method |
| 01/10/2007 | CN1294748C Method and apparatus for selective recording of television programs using event notifications |
| 01/10/2007 | CN1294741C Process for processing and storing digital data and performance guide information |
| 01/09/2007 | US7162733 Method and apparatus for automatic set-up of electronic devices |
| 01/09/2007 | US7162732 System and related methods facilitating the detection and acquisition of a data channel in a cable modem |
| 01/09/2007 | US7162729 Television schedule system and method of operation for multiple program occurences |
| 01/09/2007 | US7162728 System and method to provide audio enhancements and preferences for interactive television |
| 01/09/2007 | US7162642 Digital content distribution system and method |
| 01/09/2007 | US7159763 Card reading device for service access |
| 01/09/2007 | CA2402277C Method of controlling multi-user access to the functionality of consumer devices |
| 01/09/2007 | CA2378295C Service navigation systems and methods |
| 01/09/2007 | CA2251212C Multi-regional interactive program guide for television |
| 01/04/2007 | US20070006273 Time-Adaptive Control of Television Viewing Functionality |
| 01/04/2007 | US20070006267 Method and system for allowing viewers to purchase program products |
| 01/04/2007 | US20070006266 System and method for searching and providing contents, and software storage media |
| 01/04/2007 | US20070006254 Open cable set-top box diagnosing system and method thereof |
| 01/04/2007 | US20070006252 Open cable set-top box diagnosing system and method thereof |
| 01/04/2007 | US20070005795 Object oriented video system |
| 01/04/2007 | US20070003253 Information playback apparatus and information playback method |
| 01/04/2007 | US20070003213 Method and apparatus for managing time information of broadcast streams |
| 01/04/2007 | US20070002960 Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof |
| 01/04/2007 | US20070002953 Encoded stream reproducing apparatus |
| 01/04/2007 | US20070002186 Television reception system, channel selection apparatus and display apparatus |
| 01/04/2007 | US20070002175 Digital broadcasting reception system, digital broadcasting receiver, display, printer and printing method |
| 01/03/2007 | EP1739967A1 Information processing apparatus capable of receiving digital broadcast program data, and method of protecting contents which is applied to the apparatus |
| 01/03/2007 | EP1739963A1 Information playback apparatus and information playback method |
| 01/03/2007 | EP1738505A1 Use of signaling for auto-configuration of modulators and repeaters |