Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
01/2005
01/05/2005CN1561031A Interconnected network web information issuing method
01/05/2005CN1560847A Data reproducing devices
01/05/2005CN1560846A Data reproducing devices
01/05/2005CN1560698A 菜单图像显示方法 Menu image display method
01/05/2005CN1183763C Method and apparatus for recommending television programming using decision trees
01/05/2005CN1183752C Technology for displaying complicated symbols
01/05/2005CN1183750C Method and device for controlling electronic program guide information display
01/05/2005CN1183749C Method for receiving and displaying thematic audio-visual programme sequences and receiver therefor
01/05/2005CN1183747C Method and apparatus for capturing broadcast EPG data for program title display
01/05/2005CN1183455C 无缝、可扩缩的分布式媒体服务器 Seamless, scalable distributed media servers
01/04/2005US6839903 Method of selecting a portion of a block of data for display based on characteristics of a display device
01/04/2005US6839902 Broadcasting receiver for receiving and regenerating records of digital broadcasting
01/04/2005US6839865 System and method for multicast stream failover
01/04/2005US6839851 Digital signal processing apparatus
01/04/2005US6839765 System for transferring multimedia information
01/04/2005US6839080 Remote server switching of video streams
01/04/2005US6839072 Method and system and article of manufacture for display of option recommendations through time-by-score
01/04/2005CA2313844C Video controller
01/03/2005CA2786809A1 Rtp payload format
01/03/2005CA2469830A1 Rtp payload format
12/2004
12/30/2004US20040268412 Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
12/30/2004US20040268411 Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
12/30/2004US20040268392 Information transmitting method and television broadcasting receiving apparatus
12/30/2004US20040268390 Audiovisual information management system
12/30/2004US20040268389 Audiovisual information management system
12/30/2004US20040268383 Audiovisual information management system
12/30/2004US20040268382 Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
12/30/2004US20040268036 Data processing device, data processing system, data processing method, data processing program and recording medium storing the program
12/30/2004US20040267805 Audiovisual information management system
12/30/2004US20040266333 Information providing system, information processing apparatus and method, and information providing apparatus and method
12/30/2004US20040264946 Reproduction apparatus and a reproduction method for video objects received by digital broadcast
12/30/2004US20040264929 Information storage medium storing information for generating DTV stream, and method and apparatus for converting DTV stream
12/30/2004US20040264566 Encoding apparatus and method, and multiplexing apparatus and method
12/29/2004WO2004114051A2 Viewing control device, viewing control program, and secure module
12/29/2004EP1492348A2 Context-sensitive television tags
12/29/2004EP1491046A2 Selective multimedia data encryption
12/29/2004EP1459540A4 Method and apparatus for dynamic provisioning of ip-based services in a dvb network
12/29/2004EP1212893B1 Digital video content transmission ciphering and deciphering met hod and apparatus
12/29/2004CN1559146A Apparatus and method for dynamically updating a viewer profile in a digital television device
12/29/2004CN1559145A Storage of audio/visual program data with associated promotional material
12/29/2004CN1559142A Real-time event recommendation system and method for media programming using personal schedule
12/29/2004CN1559042A Multi-lingual transcription system
12/29/2004CN1182720C Data transmission device and method, data receiving device and method, and data transmission and receiving system and method
12/29/2004CN1182717C Digital video content transmission ciphering and deciphering method and apparatus
12/29/2004CN1182679C Method of digital signal processing equipment identification
12/28/2004CA2284797C Method and system for providing a presentation on a network
12/28/2004CA2269056C Television browsing system and method
12/23/2004WO2003073625A3 Methods for real-time software video/audio compression, transmission, decompression and display
12/23/2004WO2003023981A9 A method and system for video enhancement transport alteration
12/23/2004US20040261133 Video processing apparatus and communication method of video processing apparatus
12/23/2004US20040261130 Providing multiple levels of interactive television service using triggers and trigger filters
12/23/2004US20040261124 Digital television broadcasting receiver
12/23/2004US20040261113 Method of transmitting layered video-coded information
12/23/2004US20040261108 Combination of VCR index and EPG
12/23/2004US20040261107 Method and apparatus for evaluating television program recommenders
12/23/2004US20040261105 Computer readable storage media providing a program guide viewed with a perceived transparency over a television program
12/23/2004US20040261102 Device and method for directing program
12/23/2004US20040261095 Audiovisual information management system
12/23/2004US20040260725 Information providing system, information processing apparatus, and method
12/23/2004US20040257469 Video snychronisation
12/22/2004EP1489846A1 Method and system for presenting television programming and interactive entertainment
12/22/2004EP1489845A1 Method and system for presenting television programming and interactive entertainment
12/22/2004EP1489838A2 Digital television broadcasting receiver
12/22/2004EP1489525A1 Information processing apparatus and method
12/22/2004EP1489514A1 Information image utilization system, information image management server, information image management method, device information image, program, and recording medium
12/22/2004EP1489513A1 Information image utilization system, information image management device, information image management method, content information image, program, and recording medium
12/22/2004EP1488644A1 Data structure for data streaming system
12/22/2004EP1488642A1 Protocol for controlling access, through specific time ranges, to scrambled data
12/22/2004EP1266336A4 System and process for distribution of information on a communication network
12/22/2004EP1228449A4 Enhanced video programming system and method utilizing a web page staging area
12/22/2004EP0932949B1 Apparatus and method for analyzing bitstreams
12/22/2004EP0920739B1 Method and apparatus for providing control channel communications for an information distribution system
12/22/2004CN1557102A Recording and re-insertion of teletext data
12/22/2004CN1557096A Metadata handling device
12/22/2004CN1557095A Processing of a broadcast signal
12/22/2004CN1557089A Process, arrangement, devices for seizure of a shared telephone line
12/22/2004CN1557083A Quality adaption for real-time multimedia content delivery based on user attention
12/22/2004CN1181683C Method and apparatus for providing TV program broadcasting and selecting
12/22/2004CN1181682C Remote-controller for top terminal of cable TV sending system and method for selecting program sort sub-menu
12/22/2004CN1181681C Method and device for displaying picture in picture
12/22/2004CN1181680C Device and method using cable TV top terminal of permiting user to interactive use
12/21/2004US6834308 Method and apparatus for identifying media content presented on a media playing device
12/21/2004US6833874 Ticker tape picture-in-picture system
12/21/2004US6833863 Method and apparatus for still image capture during video streaming operations of a tethered digital camera
12/21/2004US6833862 Image sensor based vignetting correction
12/16/2004US20040255333 Centralized aggregation of broadcast television programming and multi-market digital delivery thereof over interconnected terrestrial fiber optic networks
12/16/2004US20040255328 Fast start-up for digital video streams
12/16/2004US20040255249 System and method for extracting text captions from video and generating video summaries
12/16/2004US20040255150 Audiovisual information management system
12/16/2004US20040255063 Robust delivery of video data
12/16/2004US20040254851 Electronic merchandise distribution apparatus, electronic merchandise receiving terminal, and electronic merchandise distribution method
12/16/2004US20040252770 Method and system to improve the transport of compressed video data
12/16/2004US20040252769 Method and system to improve the transport of compressed video data
12/15/2004EP1487217A2 Robust delivery of video data
12/15/2004EP1487216A2 Device and method for receiving and transmitting digital multimedia broadcasting
12/15/2004EP1487215A2 Fast start-up for digital video streams
12/15/2004EP1487213A1 Method and apparatus for frame accurate access of digital audio-visual information
12/15/2004EP1487212A1 Video information delivery apparatus and reception apparatus
12/15/2004EP1486071A2 Elementary stream partial encryption
12/15/2004EP1486069A1 Content playback apparatus, method, and program, and key management apparatus and system