Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
06/2011
06/15/2011CN102098557A Bidirectional digital set top box control method
06/15/2011CN102098556A Method for upgrading customized software of digital television user
06/15/2011CN102098555A System and method for realizing memo function by network television
06/15/2011CN102098554A Cloud computing-based television application service method and system
06/15/2011CN102098553A Video transmission method and system as well as video server
06/15/2011CN102098552A Advertisement insertion method, device and system in digital copyright management system
06/15/2011CN102098551A Processing method and system of stream media service
06/15/2011CN102098550A Embedded browser-based digital television system and method
06/15/2011CN102098549A Electronic program guide (EPG) system for providing social network service
06/15/2011CN102098548A Method and device for displaying electronic program guide (EPG) on digital television
06/15/2011CN102098547A Transmission method of self-adaptive/real-time high-definition video for embedded network
06/15/2011CN102098546A On-line video transmission method and system
06/15/2011CN102098545A Interactive video on demand (VOD) service method
06/15/2011CN102098544A Image display method of television wall
06/15/2011CN102098543A Generating a scrambled data stream
06/15/2011CN102098542A Multi-media data transmission method, system and device
06/15/2011CN102098541A Code stream multiplexer constituting device
06/15/2011CN102098540A Multi-program multiplexing method and equipment
06/15/2011CN102098539A Conditional access system for cable television
06/15/2011CN102098538A An interactive media guidance system having multiple devices
06/15/2011CN102098537A Systems and methods for episode tracking in an interactive media environment
06/15/2011CN102098536A Hotel digital television value added service interaction system
06/15/2011CN102098535A Video entertainment service call system of train
06/15/2011CN102098455A System for supporting multi-format subtitle display on television
06/15/2011CN102098302A Bidirectional network rebuilding method for combining wireless fidelity (WiFi) wireless network with unidirectional cable television network
06/15/2011CN102098280A Cross-media interaction system
06/15/2011CN102096998A Remote control information receiving and processing method and system as well as digital television receiving device
06/15/2011CN102096666A Provision of text messaging services
06/15/2011CN102096598A Virtual machine system and implementing method thereof
06/15/2011CN102096552A Virtual input system utilizing remote controller
06/15/2011CN101668198B Method for pushing video and data content to realize local ordering and system
06/15/2011CN101631238B Code stream switching equipment for supporting PID replacement and programs on-demand broadcasting, method thereof and system thereof
06/15/2011CN101534431B Overvoltage testing method of video service system and system and device thereof
06/15/2011CN101505396B Method and system for displaying mobile phone television service and visible telephone service
06/15/2011CN101494793B Method, device and system for sending and receiving stream media data
06/15/2011CN101489108B Method, system and equipment for program content processing
06/15/2011CN101489054B Ciphered television singing entertainment system encipherment method
06/15/2011CN101478665B Video monitoring method and apparatus
06/15/2011CN101394568B Video data updating method, apparatus and method thereof
06/15/2011CN101356752B Broadcast content transmitter, broadcast content receiver, broadcast content transmitting method
06/15/2011CN101350026B Method for user interface, display device, and user interface system
06/15/2011CN101268693B Digital broadcasting receiver for protection of broadcasting contents and the method thereof
06/15/2011CN101262583B Recording method, entity and system for media stream
06/15/2011CN101257569B Service executing apparatus and method
06/15/2011CN101252401B Terminal equipment, system and method for downloading program data
06/15/2011CN101212675B Digital TV receiver region code management method
06/15/2011CN101212549B Electronic device and short message transmission system capable of receiving electronic program guide
06/15/2011CN101208952B System and method for multimedia visit equipment registration
06/15/2011CN101198015B Digital television authentication system and encryption method thereof
06/15/2011CN101166249B Method for integrated management of multi-network time
06/15/2011CN101068324B Information processing device and information processing method
06/15/2011CA2725285A1 Domestic billboard apparatus and communication method using the same
06/14/2011US7962944 Providing multimedia on demand in a near on demand environment
06/14/2011US7962943 Video picture information delivering apparatus and receiving apparatus
06/14/2011US7962573 Method and apparatus to determine broadcast content and scheduling in a broadcast system
06/14/2011US7962090 Method and apparatus for satellite digital audio
06/14/2011US7962011 Controlling substantially constant buffer capacity for personal video recording with consistent user interface of available disk space
06/14/2011US7961965 Transmitting multimedia with R-tree-based multidimensional hierarchical categorization trees to compress images
06/11/2011CA2724932A1 Generating a scrambled data stream
06/11/2011CA2724931A1 Providing control words to a receiver
06/11/2011CA2723333A1 Internet protocol multicast content delivery
06/09/2011WO2011066644A1 System and methods for efficient media delivery using cache
06/09/2011US20110138422 Techniques for displaying data based on characteristics of a display device
06/09/2011US20110137985 Network type content reproducing system
06/09/2011US20110135276 Closed caption tagging system
06/09/2011CA2782825A1 Elementary bitstream cryptographic material transport systems and methods
06/09/2011CA2778215A1 System and methods for efficient media delivery using cache
06/08/2011EP2330827A2 Method and device for realising sensory effects
06/08/2011EP2330824A1 Local statistical multiplexing of video streams over internet protocol
06/08/2011EP2330821A2 Method and system for providing bidirectional contents service in cable broadcasting environment, and computer-readable recording medium
06/08/2011EP2330814A2 Broadcasting receiver and method of providing background channel epg
06/08/2011EP2330813A2 Video display apparatus and method of setting user viewing conditions
06/08/2011EP2330558A1 User interface device, user interface method, and recording medium
06/08/2011EP2330516A1 Method and systems for online recommendation
06/08/2011EP2329654A1 Devices and methods of digital video and/or audio reception and/or output having error detection and/or concealment circuitry and techniques
06/08/2011EP2329644A2 Method and apparatus for scanning channel
06/08/2011EP2329350A2 User interface having zoom functionality
06/08/2011CN201860423U Video output device capable of tracking transmission source
06/08/2011CN201860422U Support for set top box
06/08/2011CN201860421U Television capable of realizing software upgrading via network
06/08/2011CN1540976B Customized EPG display with visible indication
06/08/2011CN1466853B Video processing method, device and system
06/08/2011CN102090076A Methods and apparatus for referring media content
06/08/2011CN102090075A Method and apparatus for performing IPTV communication service
06/08/2011CN102090074A Broadcast system, broadcast management device, broadcast method, and terminal
06/08/2011CN102090073A Method of delivering customer contact service to IPTV viewer
06/08/2011CN102090072A Content transmission device and content transmission method
06/08/2011CN102090052A Apparatus, method, and computer program product for detecting embedded information
06/08/2011CN102090041A A mechanism to divert an IP flow over a non-IP transport
06/08/2011CN102088640A Adaptive selection retransmission method based on video content
06/08/2011CN102088639A Navigation control method of browser page for IPTV (Internet protocol television) set-top box
06/08/2011CN102088638A Image display device and method for operating the same
06/08/2011CN102088637A Multifunctional television and display operation method thereof
06/08/2011CN102088636A Network television and real-time road condition information query method by using same
06/08/2011CN102088635A Method for recording historic search keywords in network television
06/08/2011CN102088634A Method, device and system for controlling network television system service authority
06/08/2011CN102088633A Method for detecting carrier mode
06/08/2011CN102088632A Condition receiving apparatus capable of supporting two program sources and implementation method thereof
06/08/2011CN102088631A Live and demand broadcast method of digital television (TV) programs as well as related device and system
06/08/2011CN102088630A System and method for changing visual effect of digital television