| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 11/24/2011 | WO2011146487A1 Virtual media shelf |
| 11/24/2011 | WO2011146457A1 User interface animation for a content system |
| 11/24/2011 | WO2011146059A1 Preferred language for video on demand & cable tv and audio |
| 11/24/2011 | WO2011144943A1 System for transmission and distribution of broasdcast digital data |
| 11/24/2011 | WO2011144176A1 Method, apparatus and system for controlling content provision of content delivery network |
| 11/24/2011 | WO2011088207A3 Transmission and detection of multi-channel signals in reduced channel format |
| 11/24/2011 | WO2011088153A3 Video management and control in home multimedia network |
| 11/24/2011 | WO2010068035A3 Method for receiving a broadcast signal and broadcast receiver |
| 11/24/2011 | US20110289528 Dedicated button of remote control for advertisement delivery using interactive television |
| 11/24/2011 | US20110289522 Method and system of building a wanted list queue for a user in a content distribution system |
| 11/24/2011 | US20110289048 Method and device for editing composite content file and reproduction apparatus |
| 11/23/2011 | EP2388995A2 Recorder, recording method and video display apparatus |
| 11/23/2011 | EP2388994A2 Systems and methods for viewing substitute media while fast forwarding past an advertisement |
| 11/23/2011 | EP2388993A2 Information processing system and information processing apparatus |
| 11/23/2011 | EP2388688A1 Data transmission device, data reception device, data transmission method, and data reception method |
| 11/23/2011 | EP2387835A1 Method and apparatus for layer 2 discovery in a managed shared network |
| 11/23/2011 | EP1667447B1 Data conversion system |
| 11/23/2011 | CN202050510U Novel set top box |
| 11/23/2011 | CN202050509U Device for obtaining digital television audience information |
| 11/23/2011 | CN202050508U Multifunctional television program broadcasting system |
| 11/23/2011 | CN202050482U All-in-one machine for blue light playing and cable digital television |
| 11/23/2011 | CN1820507B System and method for digital multimedia broadcasting |
| 11/23/2011 | CN102257832A Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal |
| 11/23/2011 | CN102257831A Method and network node for video quality evaluation |
| 11/23/2011 | CN102256184A Space-domain-digital-watermark-based YUV file storage and play methods and devices |
| 11/23/2011 | CN102256183A Mobile-communication-network-based audio and video signal real-time transmission method |
| 11/23/2011 | CN102256182A RTP (Real-time Transport Protocol)-based video stream fragment framing method |
| 11/23/2011 | CN102256181A Method for accessing internet content and related device |
| 11/23/2011 | CN102256180A Information prompting method, corresponding information prompting system, terminal and front-end equipment |
| 11/23/2011 | CN102256179A Method and system for displaying program information of television terminal and television terminal |
| 11/23/2011 | CN102256178A Set-top box authentication method as well as certificate proxy terminal and system |
| 11/23/2011 | CN102256177A Method and device for synchronizing multimedia publications between set top box and intelligent terminal |
| 11/23/2011 | CN102256176A Method for achieving card-free certificate authority (CA) information security |
| 11/23/2011 | CN102256175A Method and system for inserting and presenting additional information in digital television program |
| 11/23/2011 | CN102256174A Digital television receiving equipment |
| 11/23/2011 | CN102256173A PVR (Personal Video Record)-based television program playback marking method, playback mark using method and playback mark deletion method |
| 11/23/2011 | CN102256172A System and method for playing specified program at fixed time |
| 11/23/2011 | CN102256171A Method for sharing working states of television system and television |
| 11/23/2011 | CN102256170A Encryption method and decryption method based on no-card CA (Certificate Authority) |
| 11/23/2011 | CN102256169A Method and device for recommending relevant videos to users |
| 11/23/2011 | CN102256168A On demand counting system and on demand counting method |
| 11/23/2011 | CN102256167A System and method for realizing discontinuous interactive video on demand |
| 11/23/2011 | CN102256166A Method and system for realizing personalized authority control of IPTV (Internet Protocol Television) private video recorder |
| 11/23/2011 | CN102256165A Method of video conference permission sharing system for network television set-top box |
| 11/23/2011 | CN102256164A Video transmission system based on IP (Internet Protocol) network |
| 11/23/2011 | CN102256163A Video-on-demand system based on P2P (Peer-To-Peer) |
| 11/23/2011 | CN102256162A Method and system for optimizing media-on-demand based on real-time file format conversion |
| 11/23/2011 | CN102256161A Transmission method and equipment for OSD (On Screen Display) information |
| 11/23/2011 | CN102256160A Stereo image processing equipment and method |
| 11/23/2011 | CN102256159A Method for processing CMMB (China Mobile Multimedia Broadcasting) service, terminal and CMMB server |
| 11/23/2011 | CN102256094A Optical device, reproduction device, program, and reproduction method |
| 11/23/2011 | CN102256083A Method for accelerating channel demodulation speed of wired television STB (Set Top Box) |
| 11/23/2011 | CN102256075A Television capable of learning and recognizing remote controllers and control method |
| 11/23/2011 | CN102255947A STB (Set Top Box) and man-machine interaction method for STB |
| 11/23/2011 | CN102255884A Multilink multi-channel transmission method and system for real-time audio and video signals of unreliable network |
| 11/23/2011 | CN102254382A Remote recharging method, client and system for pay television |
| 11/23/2011 | CN102254280A Television advertisement-delivery analysis system and method |
| 11/23/2011 | CN102253851A Set-top box and upgrading method thereof |
| 11/23/2011 | CN102253850A Incremental software updating method of internet protocol television (IPTV) set top box |
| 11/23/2011 | CN102253807A Interactive interface design method and system based on social network television |
| 11/23/2011 | CN101841692B Method for fast forwarding and fast rewinding video stream |
| 11/23/2011 | CN101800878B System and method for encrypting and decrypting MPEG (Moving Picture Experts Group) video based on position files |
| 11/23/2011 | CN101710952B Method and system for storing and displaying EPG data in XML format |
| 11/23/2011 | CN101569192B System and method for synchroning broadcast content with supplementary information |
| 11/23/2011 | CN101420570B PVR set-top box and PVR reservation implementing method under standby state |
| 11/23/2011 | CN101346993B An interactive media guidance system having multiple devices |
| 11/23/2011 | CN101330593B Distributed system for searching P2P medium source |
| 11/23/2011 | CN101282309B System for transmitting digital household short message based on bidirectional set-top box |
| 11/23/2011 | CN101257634B Digital broadcasting system and error correction method thereof |
| 11/23/2011 | CN101207568B Multi protocol adapter and method for multi business to implement adapting treatment |
| 11/23/2011 | CN101005604B Control device and method for TV program playing |
| 11/22/2011 | US8065431 Method of data management for efficiently storing and retrieving data to respond to user access requests |
| 11/22/2011 | US8064749 Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof |
| 11/22/2011 | CA2662691C Improved electronic television program schedule guide system and method |
| 11/22/2011 | CA2498346C Selective encryption for video on demand |
| 11/21/2011 | CA2740650A1 Content recommendation system |
| 11/20/2011 | CA2739197A1 Communication for one way devices |
| 11/17/2011 | WO2011140786A1 Extraction and association method and system for objects of interest in video |
| 11/17/2011 | WO2011091190A3 Enhanced metadata in media files |
| 11/17/2011 | WO2011090663A3 Method, apparatus, and system for simultaneously previewing contents from multiple protected sources |
| 11/17/2011 | US20110283332 Apparatus and method for effectively implementing a wireless television system |
| 11/17/2011 | US20110283310 Media Processing Methods and Arrangements |
| 11/17/2011 | US20110283306 Media Processing Methods and Arrangements |
| 11/17/2011 | US20110283303 Method and system for sharing service guide or service guide fragments in mobile broadcast system |
| 11/17/2011 | US20110280307 Video and Graphics System with Video Scaling |
| 11/17/2011 | CA2704244A1 Security system |
| 11/16/2011 | EP2387250A1 Method and system for watermark insertion using video start codes |
| 11/16/2011 | EP2387249A1 Image receiver capable of determining and presenting to the user the availabilty of enhanced services stored on a server |
| 11/16/2011 | EP2387246A2 Apparatus and method of transmitting stereoscopic image data and apparatus and method of receiving stereoscopic image data |
| 11/16/2011 | EP2387241A1 Grid encoded media asset data |
| 11/16/2011 | EP2387238A1 Automatically reconfigurable multimedia system with interchangable personality adapters |
| 11/16/2011 | EP2387237A2 Recorder, recording method and video display apparatus |
| 11/16/2011 | EP2386975A2 Intelligent remote control |
| 11/16/2011 | EP0900499B1 Television schedule system with access control |
| 11/16/2011 | CN202043258U WIDGET management platform based on set-top box |
| 11/16/2011 | CN202043257U High-definition program downloading machine cabinet |
| 11/16/2011 | CN202043256U Digital television set top box (STB) |
| 11/16/2011 | CN202043255U Set top box |
| 11/16/2011 | CN202043254U Video on demand system based on conditional receiving device |
| 11/16/2011 | CN1922878B Method for matching a number n of receiver terminals to a number m of conditional access control cards |