| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 03/13/2013 | CN102970603A Permission authentication method for digital television |
| 03/13/2013 | CN102970602A Television program reservation method and system |
| 03/13/2013 | CN102970601A Television based automatic drive loading processing method and television |
| 03/13/2013 | CN102970600A Cloud-computing-based high-definition video playing system and method |
| 03/13/2013 | CN102970599A Channel switching method and device |
| 03/13/2013 | CN102970598A Method and system for demultiplexing TS (transport stream) transport stream by set top box |
| 03/13/2013 | CN102970597A Audio and video transmission method and digital television terminal |
| 03/13/2013 | CN102970596A Method and system for realizing multi-language font display of set top box and set top box |
| 03/13/2013 | CN102970595A Set-top-box-based data processing method, system and device |
| 03/13/2013 | CN102970594A An acquiring method of digital television channels and a receiving device of digital television signals |
| 03/13/2013 | CN102970593A Sharing method and system of mobile terminal and STB (set top box) gravitational acceleration sensor |
| 03/13/2013 | CN102970592A Television set-top box capable of being used by televisions in multiple rooms |
| 03/13/2013 | CN102970591A Digital video broadcast signal receiving device |
| 03/13/2013 | CN102970590A Flat-panel television, computer host and set top box integrated device |
| 03/13/2013 | CN102970589A Control method and device for multi-terminal-based synergetic media stream play |
| 03/13/2013 | CN102970588A Screening management system, screening management method and program product |
| 03/13/2013 | CN102970587A Multi-user account realizing method suitable for OTT (Over The Top) internet television |
| 03/13/2013 | CN102970586A On-line web survey method of intelligent television |
| 03/13/2013 | CN102970585A Method for quick channel switching of streaming media |
| 03/13/2013 | CN102970584A Television voting system |
| 03/13/2013 | CN102970583A Signal transmitting device, signal transmitting method, signal receiving device, signal receiving method and signal transmitting system |
| 03/13/2013 | CN102970582A Digital certificate transmission method |
| 03/13/2013 | CN102970581A Data transmission method, device and system for digital television |
| 03/13/2013 | CN102970580A Video file encryption and decryption method and system |
| 03/13/2013 | CN102970579A Method and device for monitoring video buffer area |
| 03/13/2013 | CN102970578A Multimedia information identifying and training method and device |
| 03/13/2013 | CN102970577A Method for sending emergency broadcast by digital television (TV), and corresponding digital TV terminal |
| 03/13/2013 | CN102970556A 3DV (Three-Dimensional Video) encapsulation and playing method and 3DV encapsulating and playing system |
| 03/13/2013 | CN102970555A Method and device for regulating 3D (Three-Dimensional) video play mode |
| 03/13/2013 | CN102970542A Video data conversion method and device and intelligent television |
| 03/13/2013 | CN102970518A Method for realizing cascading of NVR (Network Video Recorder) management platform |
| 03/13/2013 | CN102970507A Method and television for realizing correct insertion of signal source terminal |
| 03/13/2013 | CN102970434A Mobile phone accessory equipment and television playing method |
| 03/13/2013 | CN102970304A Method for transmitting and displaying graphic-information-based knowledge service contents under integration of three networks |
| 03/13/2013 | CN102970290A Household recyclable rubbish trading system based on set top box |
| 03/13/2013 | CN102970089A Emergency broadcast system and linkage method thereof |
| 03/13/2013 | CN102968441A Multimedia content search and recording scheduling system |
| 03/13/2013 | CN102968245A Method and device for cooperatively controlling mouse touch and method and system for smart television interaction |
| 03/13/2013 | CN102968209A Remote control method and system of intelligent terminal and touch screen remote controller |
| 03/13/2013 | CN102968182A Method for absolutely positioning screen coordinate |
| 03/13/2013 | CN102301710B Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming |
| 03/13/2013 | CN102256180B Information prompting method, corresponding information prompting system, terminal and front-end equipment |
| 03/13/2013 | CN102244820B Method and device for sequencing television programs |
| 03/13/2013 | CN102202230B Method, apparatus and system of data sharing for digital television reception terminal |
| 03/13/2013 | CN102186105B Digital television program playing system, method and digital television receiving terminal |
| 03/13/2013 | CN102098574B Video stream measurement method and system |
| 03/13/2013 | CN102075815B Multi-user television and management method thereof |
| 03/13/2013 | CN101981932B Apparatus and method for decoding signals |
| 03/13/2013 | CN101964905B Terminal for realizing television news live broadcast through wireless communication network |
| 03/13/2013 | CN101924793B P2P streaming media-based secondary coding play method and system |
| 03/13/2013 | CN101895736B Media stream data processing method and device thereof |
| 03/13/2013 | CN101867750B OSD information processing method and device for video monitoring system |
| 03/13/2013 | CN101854494B Broadcast receiving apparatus and method for controlling the same |
| 03/13/2013 | CN101720015B Reception apparatus, reception method, and server apparatus |
| 03/13/2013 | CN101632303B Personalized interaction using codes |
| 03/13/2013 | CN101589623B Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream |
| 03/13/2013 | CN101500144B Display control apparatus and display control method |
| 03/13/2013 | CN101453591B System and method for providing interactive multimedia services |
| 03/13/2013 | CN101449584B 视频处理 Video Processing |
| 03/13/2013 | CN101287081B Method and apparatus for providing help |
| 03/13/2013 | CN101267589B System and method for realizing interactive service |
| 03/13/2013 | CN101242515B Multimedia program bookmarking system and method |
| 03/13/2013 | CN101167130B Stream data recording device, stream data recording/reproducing device, stream data reproduction device, stream data editing device, stream recording method, and stream reproducing method |
| 03/13/2013 | CN101027909B Inserting metadata for trick play in video transport stream |
| 03/12/2013 | US8397269 Fast digital channel changing |
| 03/12/2013 | US8397260 Display and method of controlling display |
| 03/12/2013 | US8397259 Program guide system with advertisements |
| 03/12/2013 | US8397255 Advanced television system |
| 03/12/2013 | CA2421775C Video interaction |
| 03/12/2013 | CA2349350C Interactive program guide with continuous data stream and client-server data supplementation |
| 03/09/2013 | CA2752075A1 Event-based video file format |
| 03/08/2013 | CA2788757A1 Apparatus for selecting multimedia information |
| 03/07/2013 | WO2013033565A1 Switch signaling methods providing improved switching between representations for adaptive http streaming |
| 03/07/2013 | WO2013033446A1 Selectively recording media content |
| 03/07/2013 | WO2013033410A1 Easy rf remote control pairing for networked set top boxes |
| 03/07/2013 | WO2013033259A2 Systems and methods for a video sharing social network |
| 03/07/2013 | WO2013033191A1 Video compression system and method using differencing and clustering |
| 03/07/2013 | WO2013033123A2 Method and system for collecting and managing tv viewership data |
| 03/07/2013 | WO2013033122A1 Method and system for providing efficient and accurate estimates of tv viewership ratings |
| 03/07/2013 | WO2013032957A1 Method of delivering media data from a transmitter to a receiver using extension descriptors |
| 03/07/2013 | WO2013032945A2 System and method for determining a level of confidence that a media item is being presented |
| 03/07/2013 | WO2013032944A1 System and method for presenting a video stream |
| 03/07/2013 | WO2013032791A1 Methods and systems for presenting a three-dimensional media guidance application |
| 03/07/2013 | WO2013032787A1 Media source identification |
| 03/07/2013 | WO2013032662A1 Techniques for dynamic switching between coded bitstreams |
| 03/07/2013 | WO2013032582A1 Method and system for using a second screen device for interacting with a set top box to enhance a user experience |
| 03/07/2013 | WO2013032581A1 Method and system for determining the location of a mobile device and utilizing said location for controlling content service access |
| 03/07/2013 | WO2013032432A1 Publishing, licensing, distributing and/or consuming education e-content |
| 03/07/2013 | WO2013032402A1 Communication device and method for receiving media data |
| 03/07/2013 | WO2013032183A2 Home network media transport negotiation |
| 03/07/2013 | WO2013030237A1 Method for adapting the segment size in transcoded multimedia streams |
| 03/07/2013 | WO2013030166A2 Method for transmitting video signals from an application on a server over an ip network to a client device |
| 03/07/2013 | WO2013030096A1 Method and apparatus for adaptive transcoding of multimedia stream |
| 03/07/2013 | WO2013029439A1 Method for recording streaming media files and corresponding device |
| 03/07/2013 | WO2013029306A1 Antenna and mobile multimedia broadcasting device thereof |
| 03/07/2013 | WO2013029168A1 Transmitting a media stream over http |
| 03/07/2013 | WO2013010189A3 Content caching services in satellite and satellite/ip content delivery systems ("content caching") |
| 03/07/2013 | WO2012177126A4 Rendering device with content substitution |
| 03/07/2013 | WO2012173396A3 Method and apparatus for transmitting data packet of multimedia service using media characteristics |
| 03/07/2013 | WO2012171568A8 Method and apparatus for authenticating users of a hybrid terminal |