Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand]
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
11/2011
11/16/2011CN1781309B Method and arrangement for automatically searching information sources accessible through a network for contents satisfying predefined criteria
11/16/2011CN1679339B Packet insertion mechanism for an improved ATSC DTV system
11/16/2011CN1656793B Transmission system and receiver of the system
11/16/2011CN102246535A Method, apparatus and system for employing a secure content protection system
11/16/2011CN102246534A Data transmission circuit
11/16/2011CN102246533A System and method for progressive delivery of transcoded media content
11/16/2011CN102246532A Method and apparatus for avoiding quality deterioration of transmitted media content
11/16/2011CN102246531A Multiplexed video streaming
11/16/2011CN102244826A Method and system for watermarking video based on video content
11/16/2011CN102244825A Multimedia stream playing method and device
11/16/2011CN102244824A Method for improving cable digital set-top box menu and video play image running quality
11/16/2011CN102244823A Television control method based on personal key-pressing habit
11/16/2011CN102244822A Remote broadcast control method in IPTV (Internet Protocol Television) system, device and system thereof
11/16/2011CN102244821A Method and apparatus for obtaining audience rating data
11/16/2011CN102244820A Method and device for sequencing television programs
11/16/2011CN102244819A Digital television receiving terminal, frequency locking system based on QAM (Queued Access Method) and frequency locking method
11/16/2011CN102244818A Method and device for responding to keystroke operation and digital set top box
11/16/2011CN102244817A Internet-base method for searching digital television program related information
11/16/2011CN102244816A Method for sharing set-top box by two television sets
11/16/2011CN102244815A Method for accelerating data reception of low-end digital set-top box chip by adopting parity channel filter
11/16/2011CN102244814A Middleware-based digital television (TV) service value-adding and extending platform and method
11/16/2011CN102244813A Video playing method and internet television terminal applying same
11/16/2011CN102244812A Video content recommendation
11/16/2011CN102244811A System and method for recommending television channels
11/16/2011CN102244810A Method, device and system for obtaining audience information of digital television
11/16/2011CN102244809A Method and device for processing service requests of set top box (Set Top Box)
11/16/2011CN102244808A System and method for efficient delivery of data content
11/16/2011CN102244807A Microsoft Corporation
11/16/2011CN102244778A Video signal transmission apparatus and identification information acquisition method for transmission system
11/16/2011CN102244748A Receiving device
11/16/2011CN102244747A Receiving device
11/16/2011CN102244661A Television (TV) virtual network platform system and login method thereof
11/16/2011CN102244642A Redirecting method, system and terminal
11/16/2011CN102243592A Method and set top box for realizing multiple upgrading ways in Loader system
11/16/2011CN102243591A Method for improving Loader-upgrading stability of set top box by adopting two zone bits
11/16/2011CN101873452B Digital television roll title display method based on GIF (Graphic Interchange Format) image files
11/16/2011CN101841691B Method and device for exchanging streaming media data
11/16/2011CN101771865B Video and audio control response, bandwidth adapting method, and server
11/16/2011CN101720036B System for distributing DVB data to multiple users
11/16/2011CN101674470B Method and system for implementing client recording and recording control entity
11/16/2011CN101662619B Display apparatus and display method
11/16/2011CN101626568B Method and device for acquiring service key
11/16/2011CN101601292B Information processing device and method, and program
11/16/2011CN101594540B Signal transmission apparatus and signal transmission method
11/16/2011CN101540883B Interactive television program guide system with remote access
11/16/2011CN101533653B Device, computer program, and system for content transmission and parental level determination method
11/16/2011CN101500170B Method for compensating timing mismatch in a/v data stream
11/16/2011CN101491092B Control message processing method
11/16/2011CN101483752B Method for supplying personalised advertising announcements
11/16/2011CN101472166B Method for caching and enquiring content as well as point-to-point medium transmission system
11/16/2011CN101399963B Real-time control method and system for media stream
11/16/2011CN101390390B Systems and methods for episode tracking in an interactive media environment
11/16/2011CN101317454B Macro-block based content replacement by PID mapping
11/16/2011CN101233750B Apparatus for providing multiple screens and method of dynamically configuring multiple screens
11/16/2011CN101233749B Apparatus for providing multiple screens and method of dynamically configuring multiple screens
11/16/2011CN101111892B Distinguishing between live content and recorded content
11/16/2011CN101060614B Multimedia service device and system, method for realizing the multimedia services
11/16/2011CN101039407B System and method for realizing customized broadcast in program receiving end
11/15/2011US8060908 Consumer access systems and methods for providing same
11/15/2011US8060905 Television delivery system having interactive electronic program guide
11/15/2011US8060901 Information providing method and information providing system
11/15/2011US8060515 System and method for computer-assisted manual and automatic logging of time-based media
11/15/2011CA2606339C Merging of multiple encoded audio-video streams into one program with source clock frequency locked and encoder clock synchronized
11/15/2011CA2491828C Method and electronic module for secure data transmission
11/15/2011CA2486671C Network type content reproducing system
11/15/2011CA2481626C Method, apparatus and set-top device for transmitting content to a receiver
11/15/2011CA2339784C Video data recorder with personal channels
11/13/2011CA2739298A1 Control of multicast content distribution
11/10/2011WO2011139622A2 Method and apparatus for insertion of advertising in a live video stream
11/10/2011WO2011139448A2 Enriching online videos by content detection, searching, and information aggregation
11/10/2011WO2011139155A1 Mobile device remote retour channel
11/10/2011WO2011138672A1 Event based social networking application
11/10/2011WO2011138637A1 System, method, and apparatus for facilitating group video communication
11/10/2011WO2011137848A1 Method and system for splicing advertisement, splicer and head end device
11/10/2011US20110277011 Video signal transmission apparatus, identification information acquisition method for video signal transmission system and computer readable medium storing identification information acquisition program for video signal transmission system
11/10/2011US20110277010 Audio video matrix switch with automatic line length signal compensator
11/10/2011US20110276995 Improved electronic television program guide schedule system and method
11/10/2011US20110274272 Data transmission system
11/10/2011CA2814554A1 Method and system for splicing advertisement, splicer, and head end device
11/10/2011CA2794680A1 Enriching online videos by content detection, searching, and information aggregation
11/10/2011CA2740111A1 Realtime broadcast stream and control data conversion system and method
11/10/2011CA2739305A1 Grid encoded media asset data
11/10/2011CA2739283A1 Intelligent remote control
11/09/2011EP2385707A2 Channel switching method, device, and system
11/09/2011EP2385702A2 Systems and methods for providing television schedule information
11/09/2011EP2385658A2 Interactive media content delivery using a separate backchannel communications network
11/09/2011EP2384579A1 Method and system for detecting successful authentication of multiple ports in a time-based roving architecture
11/09/2011EP2384577A2 System and method for combined home network communications and broadcast reception in a settop box
11/09/2011EP2384475A1 Singular, collective and automated creation of a media guide for online content
11/09/2011EP1484914B1 Television receiver and system including the same
11/09/2011CN202035112U CMMB (China mobile multimedia broadcasting) terminal equipment
11/09/2011CN202035111U Software upgrading device and upgrading system for set top box
11/09/2011CN202035110U High definition digital video server with SDI (standard data interface)
11/09/2011CN202035109U Novel multichannel digital video server
11/09/2011CN202035088U Network radio
11/09/2011CN1848964B Generalized reference decoder for image or video processing
11/09/2011CN1758767B Method and apparatus of providing and receiving video services in digital audio broadcasting (dab) system
11/09/2011CN102239701A Application execution system for digital television, apparatus for application execution for digital television and method to implement said system
11/09/2011CN102239700A Generating a pre-recorded response
11/09/2011CN102239690A Stable video rate adaptation for congestion control
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