Patents
Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445)
04/1996
04/10/1996EP0705517A1 Media pipeline with multichannel video processing and playback
04/09/1996US5506932 Synchronizing digital audio to digital video
04/09/1996US5506844 Method for configuring a statistical multiplexer to dynamically allocate communication channel bandwidth
04/09/1996US5506627 Phase locked loop chain for locking audio sampling to serial digital component vide timing
04/03/1996EP0704134A1 Minimum-delay jitter smoothing device and method for packet video communications
04/03/1996CN1119812A Video optimized media streamer
04/02/1996US5504933 Pay broadcasting system
04/02/1996US5504751 Method and apparatus for extracting digital information from an asynchronous data stream
04/02/1996US5504528 Method and apparatus for transmitting a video signal, and apparatus for receiving a video signal
03/1996
03/28/1996WO1996009720A1 Downloading television graphics and captions
03/27/1996EP0703712A2 MPEG audio/video decoder
03/27/1996EP0702879A1 Recording and reproducing an mpeg information signal on/from a record carrier
03/27/1996EP0702877A1 Recording and reproducing an mpeg information signal on/from a record carrier
03/26/1996US5502504 Video mix program guide
03/26/1996US5502499 Synchronizing waveform generator
03/26/1996US5502497 Television broadcasting method and system enabling picture broadcasting from the transmitting equipment to the receiving equipment using alternative broadcasting system standards
03/26/1996US5502494 Management of channel buffer in video decoders
03/21/1996WO1996008927A1 Telecasting service for providing video programs on demand with an interactive interface for facilitating viewer selection of video programs
03/21/1996WO1996008926A1 Data output device
03/21/1996WO1996008924A1 Data output device and data output method
03/21/1996WO1996008912A2 Conditional access system
03/20/1996CN1118961A Low bit rate audio-visual communication system having integrated perceptual speech and video coding
03/20/1996CN1118959A A semiconductor memory based server for providing multimedia information on demand over wide area networks
03/19/1996US5500741 VCR having capability of displaying time signal received from broadcasting stations
03/19/1996US5500681 Apparatus and method for generating product coupons in response to televised offers
03/19/1996US5500673 Low bit rate audio-visual communication system having integrated perceptual speech and video coding
03/14/1996WO1996008113A1 Point of purchase video distribution system
03/14/1996WO1996008112A1 Video server system
03/14/1996WO1996008109A1 System and method for selectively distributing commercial messages over a communications network
03/14/1996WO1996008095A1 Method and apparatus for electronic distribution of digital multi-media information
03/14/1996CA2199177A1 System and method for selectively distributing commercial messages over a communications network
03/13/1996EP0701371A1 Video optimised media streamer
03/13/1996EP0701198A1 Method for operating an array of storage units
03/13/1996EP0700622A1 An integrated video and audio signal distribution system for use on commercial aircraft and other vehicles
03/13/1996EP0700568A1 Synchronizing digital audio to digital video
03/13/1996CN1118544A Packet program component detector
03/12/1996US5499148 Digital video tape reproducing apparatus compatible with tapes having a track width different from a rotary magnetic head width
03/12/1996US5499048 Multi-video/audio system and method of controlling the same
03/12/1996US5499047 Distribution network comprising coax and optical fiber paths for transmission of television and additional signals
03/12/1996US5499039 Microkeyer: a microcomputer broadcast video overlay device and method
03/12/1996US5499018 Local communication bus system and apparatus for use in such a system
03/09/1996CA2154511A1 Video optimized media streamer with distributed video data storage
03/07/1996WO1996007272A1 Video retrieval system optimized by signature computation
03/07/1996WO1996007267A2 System for processing a video signal via series-connected high speed signal processing smart cards
03/07/1996CA2774402A1 Method and apparatus for displaying television programs and related text
03/07/1996CA2761985A1 Method and apparatus for displaying television programs and related text
03/06/1996EP0699369A1 Apparatus and methods for improving timing recovery of a system clock
03/06/1996EP0699368A1 An encoder buffer having an effective size which varies automatically with the channel bit-rate
03/06/1996EP0464025B1 Tv data capture device
03/05/1996US5497401 Branch metric computer for a Viterbi decoder of a punctured and pragmatic trellis code convolutional decoder suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data
03/05/1996US5497186 CATV system in which message reception can be confirmed by a viewer
02/1996
02/29/1996WO1996006504A1 Smart-card based access control system with improved security
02/29/1996WO1996006501A1 Apparatus and method for total parental control of television use
02/29/1996WO1996002098A3 Signal processing system
02/29/1996WO1995033329A3 Method and apparatus for processing a conditional access program guide as for a satellite tv service
02/28/1996EP0698999A2 Video server system
02/28/1996EP0698982A2 A semiconductor memory based server for providing multimedia information on demand over wide area networks
02/28/1996CN1117688A An on-screen signal generating apparatus for a cable television
02/28/1996CN1117681A Timing phase detector and timing recovery using the same
02/27/1996US5495295 Use of transmitter assigned phantom channel numbers for data services
02/22/1996WO1995032578A3 Mpeg decoder
02/21/1996EP0697789A1 Television program switching device and method
02/21/1996EP0697703A1 Video storage apparatus and method
02/21/1996CN1117238A Channel memory device and the method therefor
02/20/1996US5493638 Remote display of an image by transmitting compressed video frames representing back-ground and overlay portions thereof
02/20/1996US5493456 Method and apparatus for increasing the recording time of a digital video tape recorder
02/20/1996US5493317 On-screen display device for a multimode monitor and method thereof
02/15/1996WO1996004635A1 Education and entertainment device with dynamic configuration and operation
02/15/1996WO1996004633A1 Dual channel advertising referencing vehicle location
02/14/1996EP0696853A2 Signal receiving apparatus
02/14/1996EP0696798A1 Method and device for recording data, data recording medium, and method and device for reproducing data
02/14/1996EP0696402A1 Method of automatically programming a tuner and device for carrying it out
02/14/1996CN1116799A Graphics sub-displays for digital television receivers
02/08/1996WO1995034168A3 A two-way multiple access communication system, and a central station and a user station for use in such a system
02/07/1996EP0695446A1 Multimedia synchronization system
02/07/1996CN2219566Y Selecting signal distributor
02/07/1996CN1030955C Independent external security module for digitally upgradeable television signal decoder
02/01/1996WO1996003004A1 Coded modulation with shaping gain
02/01/1996WO1996002931A1 Multiple user data storage, retrieval and distribution system
02/01/1996DE19527860A1 Computer video games system for television receiver
01/1996
01/30/1996US5488427 Television system including television set, and accessory devices controlled by a single remote control device
01/30/1996US5488423 Home communication method and apparatus
01/30/1996US5488410 System and method for disk software publishers to control disk distribution
01/25/1996WO1996002108A1 Data frame structure and synchronization system for digital television signal
01/25/1996WO1996002100A1 Trellis coded modulation system for hdtv
01/25/1996WO1996002098A2 Signal processing system
01/24/1996EP0672323A4 Auxiliary device control for a subscriber terminal.
01/23/1996US5486876 Video interface unit for mapping physical image data to logical tiles
01/23/1996US5486784 Method and device for generation of clock signals
01/17/1996EP0692123A1 Synchronized clocks and media players
01/17/1996CN1115076A Optical disk and method and apparatus for recording and then playing information back from that disk
01/16/1996US5485518 Electronic media program recognition and choice
01/16/1996US5485211 Multiple encoder output buffer apparatus for differential coding of video information
01/11/1996WO1996001025A1 Transport processor interface and video recorder/playback apparatus for a digital television system
01/11/1996WO1996001024A1 Transport processor interface for a digital television system
01/09/1996US5483278 System and method for finding a movie of interest in a large movie database
01/03/1996EP0690630A2 Digital serial data interface suitable for video and audio data
01/03/1996EP0690625A1 Circuit for broadband video transmission over unshielded twisted wire pairs
01/03/1996EP0690400A2 A flow builder for an audio video interactive transmission system
01/02/1996US5481543 Rational input buffer arrangements for auxiliary information in video and audio signal processing systems