Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
06/2012
06/13/2012CN102497582A Set top box based communication interface device
06/13/2012CN102497581A Digital-certificate-based video monitoring data transmission method and system
06/13/2012CN102497580A Video information synthesizing method based on audio feature information
06/13/2012CN102497579A Video online service method of long-distance educational system
06/13/2012CN102497578A Mobile audio and video real-time communication method in 3G network environment
06/13/2012CN102497577A Set top box monitoring system
06/13/2012CN102497536A Multimedia terminal system adopting green energy resources and integrating triple play and monitoring, video, information acquisition and illumination functions
06/13/2012CN102497520A Power supply control system of CI (Conditional Independence) card and CA (Conditional Access) card compatible system and power supply method thereof
06/13/2012CN102497518A Method and device for step control on TV programs
06/13/2012CN102497422A Live web casting method and live web casting system
06/13/2012CN102497388A Mobile network terminal and method for wireless screen content transmission between such terminal and TV
06/13/2012CN102497269A Bill authentication method and bill authentication system
06/13/2012CN102496907A Set top box, power fail safeguard device and power fail data protection method
06/13/2012CN102496108A Electronic billing system based on set top box
06/13/2012CN102495687A Method, video terminal and system for realizing simple air mouse
06/13/2012CN102065316B Automatic set top box level test device and method
06/13/2012CN101982974B Advertisement insertion method and device in video-on-demand system
06/13/2012CN101827251B Method and device for playing network streaming media
06/13/2012CN101783903B Method for returning page of digital television
06/13/2012CN101777070B Interactive digital TV program searching method and inquiry server
06/13/2012CN101729908B Synchronous multiplexing method for video and audio of transmission stream
06/13/2012CN101729859B IPTV service implementation method, service node and IPTV system
06/13/2012CN101647233B Band allocating method
06/13/2012CN101617527B Operating method of internet protocol television including storage unit and internet protocol television enabling of the method
06/13/2012CN101573975B Receiver, delayed information transmitting method for receivers, audio output device, and delay control method for audio output devices
06/13/2012CN101540915B Method for transmitting mobile multimedia broadcasting data, front-end system and terminal
06/13/2012CN101536524B Systems and methods for applications using channel switch frames
06/13/2012CN101448113B Scheduled program processing method of digital television, device and digital television receiving terminal
06/13/2012CN101202826B Radio AV system
06/13/2012CN101150728B Digital video broadcasting system, digital video broadcasting terminal and method
06/13/2012CN101116334B Apparatus for splicing of terrestrial dmb signal
06/13/2012CN101061712B Synchronization and automation in an ITV environment
06/12/2012US8199839 Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof
06/12/2012DE202009018608U1 System zum Übersetzen von getimtem Text in Web-Video System to translate getimtem text in web video
06/12/2012CA2313979C Synchronizing apparatus for a compressed audio/video signal receiver
06/07/2012WO2012075167A2 Systems and methods for gathering viewership statistics and providing viewer-driven mass media content
06/07/2012WO2012075084A1 Method and apparatus for determining location of mobile device
06/07/2012WO2012074874A1 Method and apparatus for receiving multicast video using a playlist
06/07/2012WO2012074851A1 Systems and methods for digital video high accuracy fast forward, rewind and skip
06/07/2012WO2012074777A1 Method and apparatus for distributing video
06/07/2012WO2012074762A1 A method of targeted ad insertion using http live streaming protocol
06/07/2012WO2012074659A1 Selectively receiving media content
06/07/2012WO2012074221A2 Contents service providing method and system using fingerprint information
06/07/2012WO2012074197A1 Method for sharing messages in image display device and image display device for the same
06/07/2012WO2012073028A1 Media content monitoring
06/07/2012WO2012073027A2 Content Provision
06/07/2012WO2012072999A1 System for providing improved facilities in time-shifted broadcasts
06/07/2012WO2012072772A1 System and method to record encrypted content with access conditions
06/07/2012WO2012072730A1 Method to mark and exploit at least one sequence record of a video presentation
06/07/2012WO2012072707A1 Control word protection
06/07/2012WO2012072704A1 Key transport protocol
06/07/2012WO2012071998A1 Method and client for downloading media file in content distribution network
06/07/2012WO2012071938A1 Control method and system after multicast service blocking
06/07/2012WO2012071811A1 Mobile terminal, multimedia remote interaction method and system
06/07/2012WO2012071805A1 Method, apparatus, and system for interactions between digital television receiving terminal and mobile terminal
06/07/2012WO2012071738A1 Display method of parents lock function and operation method thereof
06/07/2012WO2012051528A3 Streaming digital video between video devices using a cable television system
06/07/2012WO2012049569A3 Holographic 3d display
06/07/2012WO2012033669A3 System and method for improving measurement of viewing patterns by set tuners and advertisement optimization
06/07/2012WO2012030584A3 Systems and methods for displaying personalized media content
06/07/2012WO2012018681A3 System and method for online interactive recording studio
06/07/2012US20120144447 Digital television signal, digital television receiver, and method of processing digital television signal
06/07/2012US20120144446 Digital television signal, digital television receiver, and method of processing digital television signal
06/07/2012US20120144443 System and method for executing source buffering for multiple independent group transmission of real-time encoded scalabe video contents
06/07/2012US20120144441 Method for diagnosing 3d state information, and broadcast receiver
06/07/2012US20120144439 Method and system for playing order program and server endpoint for sending order program
06/07/2012US20120144437 Providing remote access to segments of a transmitted program
06/07/2012US20120144436 System and method for broadcasting video programs and responding to a subscriber restart command
06/07/2012US20120144435 Method and system for synchronization of digital media playback
06/07/2012US20120144434 Hospitality Set-Top to Television Interface
06/07/2012US20120144433 Apparatus and method for transmitting multimedia data in wireless network
06/07/2012US20120144432 Virtual channel table for a broadcast protocol and method of braodcasting and receiving broadcast signals using the same
06/07/2012US20120144431 Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
06/07/2012US20120144430 Recording multi-stream interactive television
06/07/2012US20120144429 Differentiated psip table update interval technology
06/07/2012US20120144428 Content searching
06/07/2012US20120144427 Apparatus for controlling internet protocol television service and content searching method using the same
06/07/2012US20120144425 Display processing apparatus, display processing method, and computer program product
06/07/2012US20120144424 On-demand user-interface
06/07/2012US20120144423 Method for sharing messages in image display and image display device for the same
06/07/2012US20120144421 In-train information distribution and display system and in-train information distribution and display method
06/07/2012US20120144416 Methods, apparatus, and systems for presenting television programming and related information
06/07/2012US20120144414 Enhanced Television Services
06/07/2012US20120144408 Apparatus and method for digital content creation
06/07/2012US20120141096 Systems and methods for interactive program guides with personal video recording features
06/07/2012CA2825048A1 A method of targeted ad insertion using http live streaming protocol
06/07/2012CA2819495A1 Systems and methods for digital video high accuracy fast forward, rewind and skip
06/07/2012CA2819202A1 Content provision
06/07/2012CA2759521A1 Targeted advertisement distribution in an sdv environment
06/06/2012EP2461600A1 Image processing apparatus and control method thereof
06/06/2012EP2461599A1 Content searching
06/06/2012EP2461598A1 Server, replaying device, and replay control method
06/06/2012EP2461581A1 Device and method for content delivery adapted for synchronous playbacks
06/06/2012EP2461578A2 Display apparatus and contents searching method thereof
06/06/2012EP2461577A1 Method for controlling screen display and display using the same
06/06/2012EP2461564A1 Key transport protocol
06/06/2012EP2461539A1 Control word protection
06/06/2012EP2461262A1 Communication system, communication device, communication method, and computer program
06/06/2012EP2460363A2 Method and apparatus for generating 3-dimensional image datastream including additional information for reproducing 3-dimensional image, and method and apparatus for receiving the 3-dimensional image datastream
06/06/2012EP2460350A1 Video reproduction apparatus, control method thereof, and computer-readable storage medium storing program