| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 06/20/2012 | EP2466881A2 Systems and methods for interactive program guides with personal video recording features |
| 06/20/2012 | EP2466880A1 Method, multimedia system and network side device for recording program |
| 06/20/2012 | EP2466771A1 Smart audience monitoring device |
| 06/20/2012 | EP2466546A1 Video surveillance system employing video primitives |
| 06/20/2012 | EP2466545A1 Video surveillance system employing video primitives |
| 06/20/2012 | EP2466498A2 Cache management in a video content distribution network |
| 06/20/2012 | EP2466475A1 Information processing system and information processing device |
| 06/20/2012 | EP2465262A1 Digital rights management protection for content identified using a social tv service |
| 06/20/2012 | EP2465257A2 Image reproducing apparatus and method |
| 06/20/2012 | EP2465256A2 Image reproducing apparatus and method for controlling the same |
| 06/20/2012 | EP2184920B1 Image recording device and image recording method |
| 06/20/2012 | EP1961221B1 Method of processing authorization messages destined for a plurality of mobile receivers and method of transmitting such messages |
| 06/20/2012 | CN202282839U 基于位置服务的互联网电视系统 Internet TV system location-based services |
| 06/20/2012 | CN202282838U 接收设备、发送设备及广播系统 Receiving apparatus, transmitting apparatus and a broadcast system |
| 06/20/2012 | CN1937726B Digital broadcast receiver and digital broadcast receiving method |
| 06/20/2012 | CN1893350B Method and device for encryption and decryption of digital data |
| 06/20/2012 | CN1717882B Method for digital broadcasting receiver configuration |
| 06/20/2012 | CN102511169A Video reproduction apparatus, control method thereof, and computer-readable storage medium storing program |
| 06/20/2012 | CN102510543A Method and system for playing audio/video |
| 06/20/2012 | CN102510542A Intelligent analysis system as well as device and method for intelligent analysis |
| 06/20/2012 | CN102510541A Multi-screen interaction video and audio content switching method and media player |
| 06/20/2012 | CN102510540A Method for positioning mobile terminals by means of televisions |
| 06/20/2012 | CN102510539A Method and system for displaying content on playing video |
| 06/20/2012 | CN102510538A Method and device for processing abnormal state and television |
| 06/20/2012 | CN102510537A Playing system and playing method |
| 06/20/2012 | CN102510536A Method for downloading videos and audios of internet |
| 06/20/2012 | CN102510535A System and method for transmitting relevant scene information of digital television |
| 06/20/2012 | CN102510534A SMT (security message table) information transmission method for TS (transport stream) data packets of digital video broadcasting network |
| 06/20/2012 | CN102510533A Method, device and set-top box for eliminating video capture delay |
| 06/20/2012 | CN102510532A System and method for sending and receiving stream media in non-real-time mode |
| 06/20/2012 | CN102510531A Method for automatically identifying tuner and demodulator of digital television STB (Set Top Box) |
| 06/20/2012 | CN102510530A Program content distribution system, device and method |
| 06/20/2012 | CN102510529A Method for performing on-demand play quantity prediction and memory scheduling on programs |
| 06/20/2012 | CN102510528A Payment control method for timing cable television system |
| 06/20/2012 | CN102510527A IPTV (Internet protocol television) video terminal ID processing method and system |
| 06/20/2012 | CN102510526A Stream media service system based on distributed cluster file system |
| 06/20/2012 | CN102510525A Business data play method, digital television receiving terminal and front-end server |
| 06/20/2012 | CN102510524A Control system for broadcasting network |
| 06/20/2012 | CN102510523A Socket communication interactive testing method and network television testing system using same |
| 06/20/2012 | CN102510522A Method of controlling download speed of broadcast receiving device and apparatus for the same |
| 06/20/2012 | CN102510521A Method for embedding multiple robust watermarks in video based on three-dimensional Discrete Fourier Transformation (DFT) |
| 06/20/2012 | CN102510520A Method and apparatus for transmitting data |
| 06/20/2012 | CN102510519A Streaming media data processing method, playing method and device |
| 06/20/2012 | CN102510499A Video transcoding method based on image group in cloud environment |
| 06/20/2012 | CN102510484A Video optical transceiver, and video transmission system and method |
| 06/20/2012 | CN102510470A Media stream data copying method and equipment |
| 06/20/2012 | CN102510458A Method and system for controlling television |
| 06/20/2012 | CN102510445A Program source intelligent information production system and method |
| 06/20/2012 | CN102510392A Equipment room application sharing method and system, television and mobile terminal |
| 06/20/2012 | CN102510350A Intelligent household appliance control system and method, set-top box and intelligent household gateway |
| 06/20/2012 | CN102509467A Traffic information display system based on mobile handheld device and information acquisition method thereof |
| 06/20/2012 | CN102509235A Purchase interactive method based on mobile video of intelligent handheld device |
| 06/20/2012 | CN102509214A Mobile phone ordering payment method based on digital television payment platform and system |
| 06/20/2012 | CN102508893A Video multimedia search service application system and search method |
| 06/20/2012 | CN102508646A Microsoft corp |
| 06/20/2012 | CN102508543A Man-machine interactive system for digital terminal |
| 06/20/2012 | CN102499641A Data processing method, television and long-distance server |
| 06/20/2012 | CN102014306B Method for simultaneously deciphering multiple charge programs by set-top box |
| 06/20/2012 | CN101924930B Method for transmitting data by using DSM-CC protocol |
| 06/20/2012 | CN101765004B Method for optimizing wireless video TCP transmission |
| 06/20/2012 | CN101751658B Image visual separate-management method with minimum pixel expansion and optimal contrast |
| 06/20/2012 | CN101715113B Two-way radio embedded gateway based on ground digital television channels |
| 06/20/2012 | CN101677355B Set-top box and method for program browsing |
| 06/20/2012 | CN101674458B Apparatus and method for content recommendation |
| 06/20/2012 | CN101651839B Time stamp adding device, time stamp adding method |
| 06/20/2012 | CN101632301B Network advertisement transmission device and method |
| 06/20/2012 | CN101605218B TV and data updating method thereof |
| 06/20/2012 | CN101578863B Authorable content rating system |
| 06/20/2012 | CN101552907B Imaging distribution apparatus and imaging distribution method |
| 06/20/2012 | CN101536518B Electronic device, control information transmission method, and control information reception method |
| 06/20/2012 | CN101394238B Service guide obtaining method and device |
| 06/20/2012 | CN101365077B Image scaling method and device |
| 06/20/2012 | CN101345837B Information processing device and method |
| 06/20/2012 | CN101325702B System for real time embedding visible watermark into flow medium as well as server terminal and client terminal thereof |
| 06/20/2012 | CN101207792B Dynamic conjunction from multiple mobile bodies to iptv device for tangible medium |
| 06/20/2012 | CN101207752B Method for user self-defining search of numeral household electrical appliance frequency channel |
| 06/20/2012 | CN101145928B Implementation method, server and user terminal for obtaining default notification message |
| 06/20/2012 | CA2762456A1 Cache management in a video content distribution network |
| 06/20/2012 | CA2758763A1 Method and device for fast pushing unicast stream in fast channel change |
| 06/19/2012 | US8205236 Contents distribution system, contents distribution method thereof and contents distribution program thereof |
| 06/19/2012 | US8205235 Systems and methods for representing a tuner device in a media server content directory service |
| 06/19/2012 | US8205233 Scheduler apparatus employing a gopher recording agent for use in a television receiver |
| 06/19/2012 | US8205226 System and method of dynamically allocating advertisement according to audience rating |
| 06/19/2012 | US8205089 System for controlling the distribution and use of rendered digital works through watermarking |
| 06/19/2012 | US8204366 Method, apparatus and program for recording and playing back content data, method, apparatus and program for playing back content data, and method, apparatus and program for recording content data |
| 06/19/2012 | US8204030 Communication method and communication terminal device |
| 06/19/2012 | CA2591336C System and method for secure conditional access download and reconfiguration |
| 06/19/2012 | CA2527098C Enhanced vsb viterbi decoder |
| 06/19/2012 | CA2425458C Systems and methods for building user media lists |
| 06/16/2012 | CA2762374A1 Identifying content purchasing options based on user preferences |
| 06/16/2012 | CA2759378A1 Identifying content purchasing options based on user preferences |
| 06/14/2012 | WO2012079054A2 Method and system for dynamically inserting content information into a mobile tv application |
| 06/14/2012 | WO2012078904A1 Broadcast multimedia storage and access using page maps when asymmetric memory is used |
| 06/14/2012 | WO2012078497A1 Method and apparatus for simultaneously presenting at least two multimedia content on a processing device |
| 06/14/2012 | WO2012078411A1 Multimedia i/o system architecture for advanced digital television |
| 06/14/2012 | WO2012078329A1 Wireless channel aware adaptive video bit rate encoding |
| 06/14/2012 | WO2012078125A1 Method and apparatus for acquiring storage for media assets |
| 06/14/2012 | WO2012078027A1 Network and process for web-based video surveillance |
| 06/14/2012 | WO2012076904A1 Video data transmission system and method |
| 06/14/2012 | WO2012076700A1 Arrangement and method for playing media data on board a means of transport |