| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 06/17/2009 | CN100501754C Systems and methods for secure transaction management and electronic rights protection |
| 06/16/2009 | USRE40742 Method and apparatus of composing menu for users |
| 06/16/2009 | US7548619 System and method for copy protection for digital signals |
| 06/16/2009 | US7548555 Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method |
| 06/11/2009 | US20090150959 Association and referencing of television services simulcast in different formats |
| 06/11/2009 | US20090150958 Providing alternative services based on receiver configuration and type of display device |
| 06/11/2009 | US20090150957 Providing alternate services corresponding to unauthorized requested television services |
| 06/11/2009 | US20090150937 Client-server based interactive television program guide system with remote server recording |
| 06/11/2009 | US20090150934 Electronic Programming Guide |
| 06/11/2009 | US20090150573 Information processing apparatus and information processing method |
| 06/11/2009 | US20090150487 Digital Information Library and Delivery System |
| 06/11/2009 | US20090149125 Method of using a telephone device to view content stored therein on a nearby display screen which is not physically connected to the telephone device |
| 06/11/2009 | US20090147953 System and method for conditional access key encryption |
| 06/11/2009 | US20090147139 Video Synthesizing Apparatus and Program |
| 06/11/2009 | CA2808296A1 A packet structure for a mobile display digital interface |
| 06/11/2009 | CA2761151A1 System for recursive recombination of streaming interactive video |
| 06/10/2009 | EP2068562A2 Conditional access system for local storage device |
| 06/10/2009 | EP2067352A2 Video receiver providing video attributes with video data |
| 06/10/2009 | EP2067339A1 Apparatus and method for securely distributing contents in a telecommunication network |
| 06/10/2009 | CN100499824C Methods and systems for preventing start code emulation at locations that include non-byte aligned and/or bit-shifted positions |
| 06/10/2009 | CN100499794C Method and apparatus for selective updating of a user profile |
| 06/10/2009 | CN100499762C Method and apparatus for simultaneous recording and displaying two different video programs |
| 06/10/2009 | CN100499659C Receiving report transmission time setting method in the communication network |
| 06/09/2009 | US7546626 Information providing system, information processing apparatus, and method |
| 06/09/2009 | US7546621 Interactive television program guide display |
| 06/09/2009 | US7546375 Scaling and delivering distributed applications |
| 06/09/2009 | US7545897 Method and apparatus for recording time information for digital data streams |
| 06/09/2009 | US7545835 Method and apparatus for generating information signal to be recorded |
| 06/09/2009 | US7545438 Graphics display system with video synchronization feature |
| 06/07/2009 | CA2845710A1 Method and system to display a video in an email |
| 06/04/2009 | US20090144794 System and Method for Allocating Packet Identifiers in a Transport Stream in a Subscriber Network |
| 06/03/2009 | EP2066127A2 A method, apparatus and system to manage access to program content |
| 06/03/2009 | EP2066118A2 Video apparatus and method of providing a GUI |
| 06/03/2009 | EP2066113A2 Audio processing apparatus, video processing apparatus, and audiovisual system |
| 06/03/2009 | EP2064835A1 Method and apparatus for transmitting/receiving content by interconnecting internet protocol television with home network |
| 06/03/2009 | EP1323265B1 Method and system for delivering a synchronized stream of broadcast event data, live event data, and static event data over a hybrid fiber coax network |
| 06/03/2009 | CN101448164A Audio processing apparatus, video processing apparatus, and control method thereof |
| 06/03/2009 | CN101448147A Apparatus for decoding video signals encoded in different formats |
| 06/03/2009 | CN101448118A Audiovisual (av) device and control method thereof |
| 06/03/2009 | CN101446957A Apparatus and method for browsing file with privacy protection function |
| 06/03/2009 | CN100496101C Digital motion picture decoding method and device, and output method and device |
| 06/02/2009 | US7543323 Retrieving content using batch mode and real-time logical addresses |
| 06/02/2009 | US7543321 Multiple database, user-choice-compiled program and event guide |
| 06/02/2009 | US7543320 Television schedule system and method of operation for multiple program occurrences |
| 06/02/2009 | US7543318 Delivery of navigation data for playback of audio and video content |
| 06/02/2009 | US7542657 Video tape indexing system and method |
| 06/02/2009 | US7542571 Transmitting second content data with reference for use with first content data |
| 06/02/2009 | US7542071 Image transmission system, image pickup apparatus, image pickup apparatus unit, key generating apparatus, and program |
| 06/02/2009 | US7542045 Electronic system and method for display using a decoder and arbiter to selectively allow access to a shared memory |
| 06/02/2009 | CA2311373C Program guide system with browsing display |
| 06/02/2009 | CA2277834C Method and apparatus for creating a television viewer profile |
| 05/28/2009 | US20090138927 Web television having a two-way communication bus interconnecting a television controller and an internet module |
| 05/28/2009 | US20090138904 Method and apparatus for providing electronic coupons |
| 05/28/2009 | US20090138902 Method and Apparatus for Generation of a Preferred Broadcasted Programs List |
| 05/28/2009 | US20090138829 Information processing apparatus and method, program, and recording medium |
| 05/28/2009 | US20090135849 RTP Payload Format |
| 05/28/2009 | US20090135300 Audio processing apparatus, video processing apparatus, and method for controlling the same |
| 05/27/2009 | EP2063641A1 Mobile terminal device |
| 05/27/2009 | EP2063639A2 System for providing alternative services |
| 05/27/2009 | EP2062440A2 Measurement of video quality at customer premises |
| 05/27/2009 | EP2062407A1 Apparatus and method for wireless communications |
| 05/27/2009 | CN101441694A Secure video card methods and systems |
| 05/27/2009 | CN100493186C Video content detection method and system leveraging data-compression parameter |
| 05/27/2009 | CN100493182C Apparatus and method for building playlist |
| 05/27/2009 | CN100493178C Transmitter and receiver and its method |
| 05/27/2009 | CN100493168C Information packet program composition detector |
| 05/27/2009 | CN100493154C Method and system for creating a subset of programming channels |
| 05/27/2009 | CN100492943C Multi-media jitter removal in asynchronous digital home network |
| 05/27/2009 | CN100492077C Optical signal processing device, information recording/reproducing apparatus and information recording/reproducing system |
| 05/26/2009 | US7540010 Program switching device and method |
| 05/26/2009 | US7539834 System and method for a communication terminal to manage memory for downloadable applications |
| 05/26/2009 | US7539249 Method and system to improve the transport of compressed video data |
| 05/26/2009 | US7538783 Graphics display system with video scaler |
| 05/26/2009 | US7538665 Remote-control system, remote controller, and display-control method |
| 05/22/2009 | CA2703846A1 Digital broadcasting system and data processing method in digital broadcasting system |
| 05/21/2009 | US20090133075 Information transmitting apparatus and method, information receiving apparatus and method, provider, and broadcasting system |
| 05/21/2009 | US20090133064 Information providing device, information acquisition terminal, broadcast receiving terminal, information providing system, information providing method, and program |
| 05/21/2009 | US20090132815 Systems and methods for secure transaction management and electronic rights protection |
| 05/21/2009 | US20090132805 Systems and methods for secure transaction management and electronic rights protection |
| 05/21/2009 | US20090129689 Transcoded Images for Improved Trick Play |
| 05/20/2009 | EP2061244A1 Protection of broadcast content with key distribution using telecommunications network |
| 05/20/2009 | EP2061242A2 Information providing device, system, method and program, information acquisition terminal and broadcast receiving terminal |
| 05/20/2009 | EP2061032A1 Full news integration and automation for a real time video production system and method |
| 05/20/2009 | EP2059898A2 Delivering individualized content over a broadcast network |
| 05/20/2009 | EP1344399B1 Filtering objectionable multimedia content |
| 05/20/2009 | CN101437151A Content delivery system, cache server, and cache control server |
| 05/20/2009 | CN100490520C Control device and system of control using digital data in medium |
| 05/20/2009 | CN100489763C Method and apparatus for adaptively storing program guide data |
| 05/19/2009 | US7536705 System and method for interactive distribution of selectable presentations |
| 05/19/2009 | US7536704 Method and apparatus automatic pause and resume of playback for a popup on interactive TV |
| 05/19/2009 | US7536358 Information service method, data terminal unit, data transmitting and receiving apparatus, and data transmitting apparatus |
| 05/19/2009 | US7535485 Delay reduction for transmission and processing of video data |
| 05/19/2009 | CA2479396C Consumer interface for a digital television system |
| 05/19/2009 | CA2426322C Recording medium for protecting copyrighted data |
| 05/14/2009 | WO2009061302A1 Method, apparatus and system for anti-piracy protection and verification |
| 05/14/2009 | US20090123131 Packet Transmitting Apparatus |
| 05/14/2009 | US20090122200 Apparatus for modifying part of broadcast ts |
| 05/14/2009 | CA2705032A1 Method, apparatus and system for anti-piracy protection and verification |
| 05/13/2009 | EP2059042A1 Image display device, image data providing device, image display system, image display system control method, control program, and recording medium |
| 05/13/2009 | EP2057785A1 System and method for wireless communication having a device coordinator selection capability |