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)
05/2000
05/03/2000EP0998141A1 Digital television receiver
05/03/2000EP0997038A1 Interactive program guide navigator
05/03/2000EP0997037A1 A system for forming and processing program specific information suitable for terrestrial, cable or satellite broadcast
05/03/2000EP0997036A1 A system for forming and processing program specific information containing text data for terrestrial, cable or satellite broadcast
05/03/2000EP0996892A1 Automatic regeneration of user data from a network
05/03/2000EP0888688A4 Combination of vcr index and epg
05/03/2000EP0746943A4 Multi-service data receiver architecture
05/03/2000EP0730802A4 System and method for simultaneously authorizing multiple virtual channels
05/03/2000CN1252204A Optical disc and computer-readable storage medium, and recording method and apparatus therefor
05/03/2000CN1252203A Predictive coding method and decoding method for dynamic image
05/02/2000US6058459 Video/audio decompression/compression device including an arbiter and method for accessing a shared memory
05/02/2000US6058430 Vertical blanking interval encoding of internet addresses for integrated television/internet devices
05/02/2000US6058141 Varied frame rate video
05/02/2000US6057888 Method and apparatus for enabling a user to access data network applications from a television system
05/02/2000US6057832 Method and apparatus for video-on-demand with fast play capability
05/02/2000US6057831 TV graphical user interface having cursor position indicator
05/02/2000CA2192913C Reformatting of variable rate data for fixed rate communication
05/02/2000CA2178198C Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
05/02/2000CA2174112C System and method for disk software publishers to control disk distribution
05/02/2000CA2055132C Apparatus and method for upgrading terminals to maintain a secure communication network
04/2000
04/27/2000WO2000024198A1 An interactive television system and method for converting non-textual information to textual information by a remote server
04/27/2000WO2000024197A1 Data processing device and method, and recording device and method
04/27/2000WO2000024195A1 Html electronic program guide for an mpeg digital tv system
04/27/2000WO2000005898A3 Scalable video coding and decoding
04/27/2000CA2347006A1 An interactive television system and method for converting non-textual information to textual information by a remote server
04/26/2000EP0996291A1 Method and apparatus for coding and transmitting MPEG video over the internet
04/26/2000EP0996288A2 Digital signal transmitting methods, digital signal receiving apparatus, and recording media
04/26/2000EP0996069A2 Method of transferring image data using a IEEE 1394 bus
04/26/2000EP0995318A1 Method and apparatus for video compression and transmission with reduced delay
04/26/2000EP0995313A1 Communication system and method
04/26/2000EP0995309A1 A system for forming and processing program map information suitable for terrestrial, cable or satellite broadcast
04/26/2000EP0995191A2 Scalable mixing for speech streaming
04/26/2000CN1251716A Digital communication system, transmitter and data selector
04/26/2000CN1251488A Digital TV state displaying apparatus and displaying method
04/25/2000US6055560 System and method to provide interactivity for a networked video server
04/25/2000US6055315 Distributed scrambling method and system
04/25/2000US6055271 Signal encoding method and apparatus and signal transmission method and apparatus involving the use of a number of pseudo access units
04/25/2000US6055242 Method and apparatus enabling synchronous transfer mode, variable length and packet mode access for multiple services over a broadband communication network
04/25/2000US6055023 Television apparatus for simultaneous decoding of auxiliary data included in multiple television signals
04/25/2000US6055021 System and method for obtaining synchronization to a digital frame
04/20/2000WO2000022836A1 Dual forward and reverse test points for amplifiers
04/20/2000WO2000022828A1 Context life time management of a user interface in a digital tv broadcast
04/20/2000WO2000022824A1 Television audience monitoring system and method employing display of cable converter box
04/20/2000WO2000022771A1 Robust watermark method and apparatus for digital signals
04/20/2000WO2000022770A1 Robust watermark method and apparatus for digital signals
04/20/2000WO2000022488A1 Aircraft data management system
04/20/2000DE19948599A1 System for encoding and decoding video data with a method for sending it back operates a selective re-transmission process regarding a local bit error in an already transmitted video data packet using a buffer.
04/19/2000EP0994421A2 Method and apparatus for transmitting and/or receiving information
04/19/2000EP0993717A2 System and method for multicasting multimedia content
04/19/2000EP0993644A2 Transcoding of a data stream
04/19/2000EP0927493A4 Set top terminal for an interactive information distribution system
04/19/2000EP0673581B1 Set top terminal for cable television delivery systems
04/19/2000CN1251237A Multiple source keypad channel energy system and method
04/19/2000CN1251003A Method for retransmitting video frequency data
04/19/2000CN1250995A Data packet filtering device
04/18/2000US6052819 System and method for detecting correcting and discarding corrupted data packets in a cable data delivery system
04/18/2000US6052744 System and method for transferring concurrent multi-media streams over a loosely coupled I/O bus
04/18/2000US6052582 Sectorized multi-function communication system
04/18/2000US6052555 Method for speeding MPEG encoding using JPEG pre-processing
04/18/2000US6052554 Television program delivery system
04/18/2000US6052384 Using a receiver model to multiplex variable-rate bit streams having timing constraints
04/18/2000US6052145 System and method for controlling the broadcast and recording of television programs and for distributing information to be displayed on a television screen
04/18/2000US6052119 Image displaying device with time control function
04/18/2000CA2170239C Coded modulation with shaping gain
04/13/2000WO2000021296A1 Method and arrangement for configuring cable television converter terminal using multiple channels
04/13/2000WO2000021294A1 Algorithm for fast forward and fast rewind of mpeg streams
04/13/2000WO2000021258A1 High speed video transmission over telephone lines
04/13/2000WO2000020976A2 Method and apparatus for synchronous presentation of interactive video and audio transmissions for tv and internet environments
04/13/2000WO2000002392A3 Scalable video coding system
04/13/2000WO1999060815A8 Scalable mixing for speech streaming
04/12/2000EP0993185A2 Digital television status display
04/12/2000EP0992922A2 Automatic image data quality adjustment to reduce response time of a Web server
04/12/2000EP0992160A1 System for adaptive video/audio transport over a network
04/12/2000EP0992157A1 Tv graphical user interface having cursor position indicator
04/12/2000EP0976243A4 Multiple database, user-choice-compiled program and event guide
04/12/2000EP0947096A4 Set top device for targeted electronic insertion of indicia into video
04/12/2000CN1250572A HD to SD guide converter for electronic television schedule system
04/12/2000CN1051426C Sync detecting apparatus and method thereof
04/11/2000US6049831 System for transmitting network-related information where requested network information is separately transmitted as definitions and display information
04/11/2000US6049830 Peripheral software download of a broadcast receiver
04/11/2000US6049824 System and method for modifying an information signal in a telecommunications system
04/11/2000US6049769 Synchronizing digital audio to digital video
04/11/2000US6049693 Upstream ingress noise blocking filter for cable television system
04/11/2000US6049569 Method and apparatus for encoding digital video bit streams with seamless splice points and method and apparatus for splicing such digital video bit streams
04/11/2000US6049568 Video and audio data processing method and apparatus
04/11/2000US6049551 Method and apparatus for dynamic allocation of transmission bandwidth resources and for transmission of multiple audio signals with a video signal
04/11/2000US6049539 Access system and method for providing interactive access to an information source through a networked distribution system
04/11/2000US6049333 System and method for providing an event database in a telecasting system
04/06/2000WO2000019716A1 Method and apparatus for displaying video data and corresponding entertainment data for multiple entertainment selection sources
04/06/2000WO2000019662A1 System and method for providing broadcast material history
04/06/2000WO2000019606A1 Channel selection in digital television background
04/06/2000WO1999063698A3 Synchronous network for digital media streams
04/05/2000EP0991280A2 Data symbol counting device, synchronising device and method
04/05/2000EP0991271A2 A locking/unlocking device in an audio-visual apparatus
04/05/2000EP0991214A2 Method and system for distributing information, comprising a method and system for billing the information which has been distributed
04/05/2000EP0990347A1 Digital television system which selects images for display in a video sequence
04/05/2000EP0990346A1 Digital television system which switches channels in response to control data in a television signal
04/05/2000EP0853857B1 Compressed video data processing with conversion of image compression format
04/05/2000EP0548286B1 System and process for controlling a video recording machine
04/05/2000CN1249625A Copyright management equipment, copyrighted works distributing equipment,and distributing and receiving system
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