Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
06/2010
06/30/2010EP1654671B1 Information storage medium containing interactive graphic stream, and reproducing apparatus and method thereof
06/29/2010US7748024 Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
06/29/2010US7748016 Electronic program guide displayed simultaneously with television programming
06/29/2010US7748015 Processing of a broadcast signal
06/29/2010US7747858 Methods and systems for encoding and protecting data using digital signature and watermarking techniques
06/29/2010US7747765 Method and apparatus for media data transmission
06/29/2010US7747748 Method for connection acceptance control and rapid determination of optimal multi-media content delivery over networks
06/29/2010US7747696 Content-related information providing apparatus, content related information providing method, electronic bulletin board system, and computer program
06/29/2010US7747135 Image display system, image reproducing apparatus, digital television apparatus, image display method, and storage medium
06/29/2010US7746870 Efficient transport of program clock reference for audio services delivered on an MPEG-2 transport stream
06/29/2010US7746413 Operation screen controlling method, operation screen controlling program, and display device
06/29/2010US7746410 Picture adjustment method and apparatus for video display appliance
06/29/2010US7746354 Graphics display system with anti-aliased text and graphics feature
06/29/2010CA2697565A1 Merging of multiple data sets
06/29/2010CA2187796C Arrangement and method for transmitting and receiving video signals
06/24/2010US20100162310 Digital broadcasting transmission system
06/24/2010US20100162309 Navigating content
06/24/2010US20100162287 Delivery of feedback information to scheduling service to determine optimum broadcast times based upon client platform tuner contention
06/23/2010EP2200310A1 A system for sorting and classifying users of an image information management system
06/23/2010EP2200301A2 Video data reproducing device, video data generating device, and recording medium for trick-play reproduction in a picture-in-picture mode
06/23/2010EP2200300A2 Video data reproducing device, video data generating device, and recording medium for trick-play reproduction in a picture-in-picture mode
06/23/2010EP2200299A2 Video data reproducing device, video data generating device, and recording medium for trick-play reproduction in a picture-in-picture mode
06/23/2010EP2200298A2 Video data reproducing device, video data generating device, and recording medium for trick-play reproduction in a picture-in-picture mode
06/23/2010EP2200297A2 Video data reproducing device, video data generating device, and recording medium for trick-play reproduction in a picture-in-picture mode
06/23/2010EP2200296A2 Closed caption tagging system
06/23/2010EP2200290A2 Video synthesis device and program
06/23/2010EP2200289A2 Video synthesis device and program
06/23/2010EP2200288A2 Video synthesis device and program
06/23/2010EP2200287A2 Video synthesis device and program
06/23/2010EP2200286A2 Video synthesis device and program
06/23/2010EP2200013A1 A data reading method, and a video transmitter and a video receiver using the same
06/23/2010EP2198626A1 Method for processing data and iptv receiving device
06/23/2010EP2198614A1 Cross-platform messaging
06/23/2010EP2198610A2 Method and device for establishing a coded output video stream from at least two coded input video streams and use of the device and coded input video stream
06/23/2010EP2198602A2 Method and apparatus for receiving multiple simultaneous stream bursts with limited dvb receiver memory
06/23/2010EP1307867B1 Methods and systems for networked camera control
06/23/2010EP0745307B3 Subtitling transmission system
06/23/2010CN1767534B Method for deleting user metadata managed by a TV-Anytime metadata server
06/23/2010CN1732689B Tune alerts for remotely adjusting a tuner
06/23/2010CN101754086A Decoder and decoding method for multichannel audio coder using sound source location cue
06/23/2010CN101753968A Data reading method, and a video transmitter and a video receiver using the same
06/23/2010CN101753789A Receiving device, communications system, receiving device control method and program
06/23/2010CN101753574A Communication device, communication method and program
06/23/2010CN101288295B Display device, external connection device, and screen control method
06/22/2010US7743426 Information data and management data processing apparatus and method
06/22/2010US7743330 Method and apparatus for placing virtual objects
06/22/2010US7742737 Methods and apparatus for identifying a digital audio signal
06/22/2010US7742600 Prepaid pay television system
06/22/2010US7742530 Digital television system
06/22/2010US7742481 Multiplexer, multimedia communication apparatus and time stamp generation method
06/22/2010US7742472 Signal processing apparatus and stream processing method
06/22/2010US7740531 Operation of a set of devices
06/22/2010CA2450463C Apparatus and method for watermarking a digital image
06/22/2010CA2428946C Networked subscriber television distribution
06/22/2010CA2381110C Process for managing a symmetric key in a communication network and devices for the implementation of this process
06/22/2010CA2335662C Graphical user interface for creating assets
06/17/2010US20100154002 System for collecting television program data
06/17/2010US20100154001 Interactive television program guide system with operator showcase
06/17/2010US20100150528 Systems and methods for reducing cut-offs in program recording
06/17/2010US20100150524 Method, apparatus and program for recording and playing back content data, method, apparatus and program for playing back content data, and method, apparatus and program for recording content data
06/17/2010US20100150449 Dynamic transrating based on optical character recognition analysis of multimedia content
06/17/2010US20100150179 Remultiplexing apparatus
06/17/2010US20100149416 Signal transmitting device, transmitter and receiver
06/17/2010CA2815593A1 Method for processing targeting descriptor in non-real-time receiver
06/16/2010EP2197205A2 Signal conversion apparatus and method
06/16/2010EP2197201A2 Promotional labelling of a television apparatus
06/16/2010EP2196978A1 Method and device for generating pseudorandom number, and method and device for encryption using pseudorandom number
06/16/2010EP2196932A2 Secure data transmission bewteen communication devices in a digital network
06/16/2010EP2196033A1 System and method for an early start of audio-video rendering
06/16/2010EP2196029A1 Method, medium, and apparatus for encoding and/or decoding video
06/16/2010EP2196027A1 System and method for receiving broadcast multimedia on a mobile device
06/16/2010CN1878283B Method for providing integrated EPG in dual mode DMB receiver
06/16/2010CN1767635B System for forming a composite program guide from information derived from multiple sources
06/16/2010CN1492673B Digital television state display device and method
06/16/2010CN101742311A Optimal power usage in encoding data streams
06/16/2010CN101742069A 电视装置 TV devices
06/16/2010CN101742066A Video apparatus and method of controlling the video apparatus
06/16/2010CN101253770B Device for correcting broadcasting TS partially
06/16/2010CN101180878B Method for providing an electronic program guide based on user preference data
06/15/2010US7739745 Information-processing apparatus, information-processing method, program, and storage medium
06/15/2010US7739714 System for transmitting digital data over a limited bandwidth link in plural blocks
06/15/2010US7739709 Client-server based interactive television program guide system with remote server recording
06/15/2010US7739619 Display control device and method
06/15/2010US7738779 Method of processing multiplexed program data using entry points and time units
06/15/2010US7738767 Method, apparatus and program for recording and playing back content data, method, apparatus and program for playing back content data, and method, apparatus and program for recording content data
06/15/2010US7738550 Method and apparatus for generating compact transcoding hints metadata
06/10/2010US20100146576 Audio-video data switching and viewing system
06/10/2010US20100146566 Method of Data Management for Efficiently Storing and Retrieving Data to Respond to User Access Requests
06/10/2010US20100146543 Interactive system for determining user values for demographic categories
06/10/2010US20100146540 Receiving device, communications system, receiving device control method and program
06/10/2010US20100146532 Channels and services display
06/10/2010US20100146134 Communication device, communication method and program
06/10/2010US20100145488 Dynamic transrating based on audio analysis of multimedia content
06/10/2010US20100142920 Multimedia Signal Processing System
06/10/2010US20100142624 Decoder and decoding method
06/09/2010EP2194715A1 Av server device, tv receiver incorporating av server and personal computer incorporating av server
06/09/2010EP2194706A1 Receiving device, communications system, receiving device control method and program
06/09/2010EP2194692A1 Techniques to push content to a connected device
06/09/2010EP2193658A1 Systems and methods for communications between client devices of a broadcast system
06/09/2010EP1213842B1 Program providing system