| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 06/19/2013 | CN102331990B News video retrieving method based on subtitle extraction |
| 06/19/2013 | CN102316276B Signal switching matrix system |
| 06/19/2013 | CN102244814B Middleware-based digital television (TV) service value-adding and extending platform and method |
| 06/19/2013 | CN102196202B Multi-frequency transmitting device |
| 06/19/2013 | CN102158754B Electronic newspaper receiving terminal and method based on CMMB (China Mobile Multimedia Broadcasting) |
| 06/19/2013 | CN102137279B Method for realizing disconnection continuous playing of on-line video of portable electronic equipment |
| 06/19/2013 | CN102123232B 数字广播接收设备 The digital broadcast receiving apparatus |
| 06/19/2013 | CN102118539B Multimedia playing terminal as well as playing method and device for dragging multimedia files |
| 06/19/2013 | CN102106156B Real-time transport protocol (RTP) packetization method for fast channel change applications using scalable video coding (SVC) |
| 06/19/2013 | CN102098571B Method and system for dynamically pushing data |
| 06/19/2013 | CN102075812B Data receiving method and system of digital television |
| 06/19/2013 | CN102067621B Broadcast system, broadcast management device, and broadcast method |
| 06/19/2013 | CN102045351B Streaming media publishing platform and method |
| 06/19/2013 | CN102033751B Software adaptation method and system for OSD, and multimedia terminal |
| 06/19/2013 | CN102027753B Encryption system for satellite delivered television |
| 06/19/2013 | CN101897183B Method of combining linear content and interactive content compressed together as streaming interactive video |
| 06/19/2013 | CN101729874B Processing method and device for gradable video transmission |
| 06/19/2013 | CN101686349B 便携式终端 The portable terminal |
| 06/19/2013 | CN101662648B Method and system for collecting user audience rating information as well as user terminal |
| 06/19/2013 | CN101656871B Television receiver and method of operating a server |
| 06/19/2013 | CN101510971B Terminal and method of controlling broadcast guide information update therein |
| 06/19/2013 | CN101506813B Method, AV CP device and home network system for performing AV contents with segment unit |
| 06/19/2013 | CN101505316B Method and device for reordering and multiplexing multimedia packets from multimedia streams pertaining to interrelated sessions |
| 06/19/2013 | CN101430910B 数据记录方法和数据解码方法 The data recording method and a data decoding method |
| 06/19/2013 | CN101364848B Mobile communications terminal for broadcast reception |
| 06/19/2013 | CN101283406B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof |
| 06/19/2013 | CN101227592B Program distribution system and recording and reproduction device |
| 06/19/2013 | CN101053208B Wideband protocol |
| 06/18/2013 | US8468565 Method and apparatus for displaying information in response to motion picture programming |
| 06/18/2013 | US8468556 Methods, systems, and products for evaluating performance of viewers |
| 06/18/2013 | US8468369 System, method and apparatus for controlling the dissemination of digital works |
| 06/18/2013 | US8468215 Simulcast web page delivery |
| 06/18/2013 | US8467724 Broadcast response system |
| 06/18/2013 | US8467525 Steganographic method and device |
| 06/18/2013 | CA2662689C Improved electronic television program schedule guide system and method |
| 06/18/2013 | CA2534435C System and method for digital multimedia broadcasting |
| 06/15/2013 | CA2798843A1 System and method for synchronizing timing across multiple streams |
| 06/13/2013 | WO2013086414A1 Method and system for signature capture |
| 06/13/2013 | WO2013086066A1 Media service and method for delivery of stored media |
| 06/13/2013 | WO2013086065A1 Predictable coding delay over comunications networks |
| 06/13/2013 | WO2013085906A1 System and method for providing enhanced data for visual displays |
| 06/13/2013 | WO2013085651A1 A personal television channel |
| 06/13/2013 | WO2013085546A1 Modification of images based on orientation |
| 06/13/2013 | WO2013085263A1 Network tv and method for operating same |
| 06/13/2013 | WO2013083984A1 Configuration data transmission system using coaxial and/or fibre optic distribution network |
| 06/13/2013 | WO2013083840A1 Media playback component comprising playback queue and queue bypass |
| 06/13/2013 | WO2013083668A1 Method and device for signaling a transmission time and/or a system clock pulse |
| 06/13/2013 | WO2013083199A1 Method and apparatus for detecting quality defects in a video bitstream |
| 06/13/2013 | WO2013083195A1 Progressive download prioritisation |
| 06/13/2013 | WO2013083052A1 Method, device, and system for acquiring multicast address |
| 06/13/2013 | WO2013082965A1 Streaming media data processing method and apparatus and streaming media data reproducing device |
| 06/13/2013 | WO2013082923A1 Television channel switching method and client side |
| 06/13/2013 | WO2013082709A1 Collaboration system and method |
| 06/13/2013 | WO2013055162A3 Method for transmitting media data via a heterogeneous ip network independently of a media codec |
| 06/13/2013 | WO2013048148A3 Method and apparatus for transmitting and receiving content |
| 06/13/2013 | US20130152152 Method and apparatus for generating three-dimensional content based on user preferences |
| 06/13/2013 | US20130152151 House amplifier with return path gating |
| 06/13/2013 | US20130152149 Apparatus and method of portable terminal for dual display of broadcasting receiver by hdmi signal |
| 06/13/2013 | US20130152148 Peer to peer streaming of dvr buffered program data |
| 06/13/2013 | US20130152146 Methods, devices, and computer program products for providing instant messaging in conjunction with an audiovisual, video, or audio program |
| 06/13/2013 | US20130152145 System and method for multi-standard browser for digital devices |
| 06/13/2013 | US20130152144 System and method for supplying supplemental audio information for broadcast television programs |
| 06/13/2013 | US20130152143 Shared local government channel |
| 06/13/2013 | US20130152142 Playback of Audio/Video Content with Control Codes |
| 06/13/2013 | US20130152141 Bilateral control system and method of a vehicle-use front seat audio device and a back seat entertainment device |
| 06/13/2013 | US20130152140 System and Method for Using a Set-Top Box Application to Diagnose Customer Premises Equipment |
| 06/13/2013 | US20130152139 Second screen methods and arrangements |
| 06/13/2013 | US20130152138 Image display device and method for operating same |
| 06/13/2013 | US20130152137 Program guide apparatus |
| 06/13/2013 | US20130152136 Program guide apparatus |
| 06/13/2013 | US20130152135 Network tv and method for operating network tv |
| 06/13/2013 | US20130152134 Program guide apparatus |
| 06/13/2013 | US20130152133 Program guide apparatus |
| 06/13/2013 | US20130152132 Interactive program guide navigator menu system |
| 06/13/2013 | US20130152131 Method and user interface for accessing groups of media assets |
| 06/13/2013 | US20130152130 Program guide image objects for media content access systems and methods |
| 06/13/2013 | US20130152129 Populating a user interface display with information |
| 06/13/2013 | US20130152128 Controlling a viewing session for a video program |
| 06/13/2013 | US20130152127 Receiving apparatus, display control method, broadcasting system, and computer program |
| 06/13/2013 | US20130152126 User control of replacement television advertisements inserted by a smart television |
| 06/13/2013 | US20130152125 Method and system for advertisement choices using a second display during content playback |
| 06/13/2013 | US20130152124 Controlling ad delivery for video on-demand |
| 06/13/2013 | US20130152123 Interactive product placement system and method therefor |
| 06/13/2013 | US20130152122 Secure Distribution of Video On-Demand |
| 06/13/2013 | US20130152121 Transport-stream provider, dab signal provider, transport stream analyzer, dab receiver, method, computer program, and transport stream signal |
| 06/13/2013 | US20130152120 Method and System of Managing and Allocating Communication Related Resources |
| 06/13/2013 | US20130152119 Method and apparatus for interworking devices |
| 06/13/2013 | US20130152118 Apparatus and method for acquiring channel information using broadcast data |
| 06/13/2013 | US20130152117 Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand programs |
| 06/13/2013 | US20130152116 Monitor with ratings survey capability |
| 06/13/2013 | US20130152114 Method and apparatus for selecting at least one media item |
| 06/13/2013 | US20130152113 Determining audience state or interest using passive sensor data |
| 06/13/2013 | US20130151970 System and Methods for Distributed Multimedia Production |
| 06/13/2013 | US20130148743 Method and system to improve the transport of compressed video data |
| 06/13/2013 | US20130148032 Digital broadcasting receiving apparatus with improved start-up speed and start-up method for the digital broadcasting receiving apparatus |
| 06/13/2013 | DE102011120911A1 Streaming-basiertes Medien-System Streaming media-based system |
| 06/13/2013 | CA2858654A1 Media service and method for delivery of stored media |
| 06/13/2013 | CA2857113A1 Network tv and method for operating same |
| 06/12/2013 | EP2603015A1 Automatic channel change based on received metadata |
| 06/12/2013 | EP2603014A1 Provision of a search function on a digital television receiver |