| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 04/13/2011 | CN201797571U On-board set-top box for national standard bus |
| 04/13/2011 | CN201797570U Pusher-type system based on China mobile multimedia broadcasting (CMMB) broadcast channels |
| 04/13/2011 | CN1720735B A method and system for premium channel and pay per view video resell |
| 04/13/2011 | CN1578311B RTP payload format |
| 04/13/2011 | CN102017651A Apparatus and method for composing scenes using rich media contents |
| 04/13/2011 | CN102017650A Method and apparatus to provide broadcasting program information on screen of broadcast receiver |
| 04/13/2011 | CN102017649A Method and apparatus for recommending broadcast contents |
| 04/13/2011 | CN102017648A Metadata generation management device, metadata generation system, integrated circuit for metadata generation management, metadata generation management method, and program |
| 04/13/2011 | CN102017647A Coordinating power management functions in a multi-media device |
| 04/13/2011 | CN102017646A A method and a system for distributing TV content over a network |
| 04/13/2011 | CN102017645A Time labelling associated with an equipment synchronisation system connected to a network |
| 04/13/2011 | CN102017644A Service providing method and service providing apparatus for generating and transmitting a digital television signal stream and method and receiving means for receiving and processing a digital television signal stream |
| 04/13/2011 | CN102017643A Apparatus and method for providing broadcast contents in internet broadcast system |
| 04/13/2011 | CN102017574A Delivery delay compensation on synchronised communication devices in a packet switching network |
| 04/13/2011 | CN102016776A List display method and list display of large amount of contents |
| 04/13/2011 | CN102014341A Multi-media data transmission method and system |
| 04/13/2011 | CN102014309A Method and system for transmitting electronic service guide |
| 04/13/2011 | CN102014308A System for controlling television by using computer |
| 04/13/2011 | CN102014307A Design method for implementing user interaction interface for set-top box |
| 04/13/2011 | CN102014306A Method for simultaneously deciphering multiple charge programs by set-top box |
| 04/13/2011 | CN102014305A Method for editing television configuration parameters and data |
| 04/13/2011 | CN102014304A Digital television handset and realization method thereof |
| 04/13/2011 | CN102014303A Method for recovering serial number of set-top box and set-top box |
| 04/13/2011 | CN102014302A Method for high-performance module scheduling of set-top box |
| 04/13/2011 | CN102014301A Video playing method, system and server |
| 04/13/2011 | CN102014300A Device for realizing quick view function in video on demand |
| 04/13/2011 | CN102014299A Method and device for realizing multi-frequency point multiplexing of paths of data |
| 04/13/2011 | CN102014298A Participant terminal device, server and method for supporting broadcasting participation |
| 04/13/2011 | CN102014286A Video coding and decoding method and device |
| 04/13/2011 | CN102014280A Multi-view video program transmission method and system |
| 04/13/2011 | CN102014270A Method and device for realizing switched digital video (SDV) on hybrid fiber coax network |
| 04/13/2011 | CN102014269A Video call display method, device and system |
| 04/13/2011 | CN102014263A Method and device for controlling transcription in digital television receiving terminal |
| 04/13/2011 | CN102014261A Method and device of storing data and method and device of recording television programs |
| 04/13/2011 | CN102014225A System and method for calling through network television |
| 04/13/2011 | CN102013254A Man-machine interactive system and method for digital television voice recognition |
| 04/13/2011 | CN102012965A Ipanel middleware-based distance education system |
| 04/13/2011 | CN102012828A Web television upgrading method and device as well as web television upgrading collocation method |
| 04/13/2011 | CN101594506B Method and device of storing data and method and device of recording television programs |
| 04/13/2011 | CN101540881B Method, device and system for realizing positioning playing of streaming media |
| 04/13/2011 | CN101510966B Video acceptance control device and video play system |
| 04/13/2011 | CN101489122B Method, apparatus and system for implementing transmission stream time mapping |
| 04/13/2011 | CN101453624B Playing on demand system for video |
| 04/13/2011 | CN101415106B Method, system and apparatus for building time shifting television business in broadcast business |
| 04/13/2011 | CN101247510B Video demanding method, device and system |
| 04/13/2011 | CN101194511B Method and device for solving conflict of scheduling of influencing client device |
| 04/13/2011 | CN101151828B Broadcasting device and receiver |
| 04/13/2011 | CN101061715B Video server and video distribution system using the same |
| 04/13/2011 | CA2717519A1 Mobile wireless communications device to display closed captions and associated methods |
| 04/12/2011 | US7926082 Television receiver and method for counting the number of accesses from the receiver |
| 04/12/2011 | US7925897 System, method and apparatus for controlling the dissemination of digital works |
| 04/12/2011 | US7925882 Data application method |
| 04/12/2011 | US7925750 Allocations of access across a communications medium |
| 04/12/2011 | US7924872 Transport network multiplexing for transport and ethernet packets |
| 04/12/2011 | US7924827 Boolean protocol filtering |
| 04/12/2011 | US7924451 Client server system |
| 04/12/2011 | US7924177 Distributed on-demand media transcoding system and method |
| 04/12/2011 | CA2688933C Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same |
| 04/07/2011 | WO2011038565A1 Streaming media audio-video synchronization method and system |
| 04/07/2011 | CA2716636A1 Video analytics based control of video data storage |
| 04/06/2011 | EP2306746A2 Transmitter, transmitting method, receiver and receiving method |
| 04/06/2011 | EP2306737A2 Signature generating device and method, signature verifying device and method, and computer product |
| 04/06/2011 | EP2306723A2 Image coding apparatus, image coding method, image decoding apparatus and image decoding method |
| 04/06/2011 | EP2306722A2 Image coding apparatus, image coding method, image decoding apparatus and image decoding method |
| 04/06/2011 | EP2306721A2 Image coding apparatus, image coding method, image decoding apparatus and image decoding method |
| 04/06/2011 | EP2306720A1 Content reproduction system, content reproduction method, content reproduction device, and server |
| 04/06/2011 | EP2306718A1 High-quality content generating system, method therefor, and program |
| 04/06/2011 | EP2306717A1 Communication terminal, search server, and communication system |
| 04/06/2011 | EP2306712A1 Broadcast program recording overrun and underrun scheduling system |
| 04/06/2011 | EP2306703A1 Digital broadcast receiving apparatus and signal processing method |
| 04/06/2011 | EP2306669A1 Transmission/reception device |
| 04/06/2011 | EP2304953A2 Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device |
| 04/06/2011 | EP2304945A2 Method for providing channel service and computer-readable medium having thereon program performing function embodying the same |
| 04/06/2011 | EP2304942A1 Method for controlling the use of a conditional access content and multimedia unit for implementing said method |
| 04/06/2011 | EP2304672A2 Targeted television advertisements associated with online users' preferred television programs or channels |
| 04/06/2011 | EP1407597B1 System and method for simplifying different types of searches in electronic program guide |
| 04/06/2011 | CN201789599U Television capable of realizing wireless router |
| 04/06/2011 | CN201788534U Intelligent household visual access control system based on set-top box |
| 04/06/2011 | CN1875630B Content distribution server and content distribution method |
| 04/06/2011 | CN1875629B Dynamic composition of pre-encrypted video on demand content |
| 04/06/2011 | CN1874337B TV control method |
| 04/06/2011 | CN1649411B System and method for configuration of user interfaces |
| 04/06/2011 | CN102007774A Server device, content distribution method, and program |
| 04/06/2011 | CN102007773A Using triggers with video for interactive content identification |
| 04/06/2011 | CN102006522A Advertisement scheduling method and system |
| 04/06/2011 | CN102006521A IPTV system and method for implementing on-demand service and node equipment thereof |
| 04/06/2011 | CN102006520A Method for realizing shortcut channel function of set-top box |
| 04/06/2011 | CN102006519A Method and system for realizing interaction between multi-media terminal and internet protocol (IP) set top box |
| 04/06/2011 | CN102006518A A digital broadcast receiver and a method for providing graphic user interface |
| 04/06/2011 | CN102006517A Method for realizing time-shifted playing of set-top box based on session setup protocol (SSP) and lightweight stream control protocol (LSCP) |
| 04/06/2011 | CN102006516A Digital household content service transmission method based on cable television two-way access |
| 04/06/2011 | CN102006515A Multimedia program ordering method, intelligent card and user terminal equipment |
| 04/06/2011 | CN102006514A Television program EPG (Electronic Program Guide) content based search management system and method |
| 04/06/2011 | CN102006513A Analytical engine system suitable for HSML markup language |
| 04/06/2011 | CN102006512A Digital television HSML (Hypertext Service Markup Language) analysis method and system applying SAX (The Simple API for XML) analysis engine |
| 04/06/2011 | CN102006511A Method and device for looking back live program and terminal |
| 04/06/2011 | CN102006510A Set-top box as well as method and device for set-top box software upgrading |
| 04/06/2011 | CN102006509A Method for hiding unauthorized programs of digital television and digital television system |
| 04/06/2011 | CN102006508A Device and method for electrifying single board of internet protocol television server |
| 04/06/2011 | CN102006507A Internet protocol television channel playing method and system |