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)
01/1999
01/06/1999CN1204214A Apparatus and method for synchronizing audio/video signal
01/05/1999US5857181 Broadcast interactive multimedia system
01/05/1999US5857142 Architecture and method for providing interactive broadband products and services using existing telephone plant
01/05/1999US5857115 Method for controlling power to individual audio-video units making up an audio-video system
01/05/1999US5856975 High speed single chip digital video network apparatus
01/05/1999US5856973 Data multiplexing in MPEG server to decoder systems
12/1998
12/30/1998WO1998059498A1 Method of and apparatus for separating audio and video data from a combined datastream
12/30/1998WO1998059479A1 Method and apparatus for a home network auto-tree builder
12/30/1998WO1998059478A1 Programming tool for home networks
12/30/1998WO1998059284A2 Method and apparatus for creating home network macros
12/30/1998WO1998059283A2 Improved home network, browser based, command and control
12/30/1998WO1998059282A2 Browser based command and control home network
12/30/1998EP0888009A1 Device and method for encoding image data, and image data transmission method
12/30/1998EP0886964A1 Method and apparatus for displaying television programs and related text
12/30/1998EP0886963A1 Improved television tuning system
12/30/1998EP0732028A4 Data word indicator in a system for assembling transport data packets
12/30/1998CA2467370A1 Browser based command and control home network
12/29/1998US5854840 Data transmission protocol method and apparatus
12/29/1998US5854658 Statistical multiplexing system which encodes a sequence of video images using a plurality of video encoders
12/23/1998WO1998058496A2 Transmission of digital signals by orthogonal frequency division multiplexing
12/23/1998WO1998058494A2 System for the bidirectional communication of voice and data through a distribution network
12/23/1998EP0885521A1 Method and apparatus for generating television program guides
12/23/1998CN1203003A Frequency drift correction in subscriber terminals
12/23/1998CN1202780A Caption data processing circuit and method therefor
12/22/1998US5852706 Apparatus for recording and reproducing intra-frame and inter-frame encoded video data arranged into recording frames
12/22/1998US5852705 Method and apparatus for guaranteeing average case disk transfer bandwidth and seek time for a video server
12/22/1998US5852664 Decode access control for encoded multimedia signals
12/17/1998WO1998057499A1 System for the transmission of audio, video and auxiliary data
12/17/1998WO1998057498A1 Sidebox display channel loop controller
12/17/1998WO1998057273A1 Cyclic transmission of a plurality of mutually related objects
12/16/1998EP0884907A1 Caller indentification system for television
12/16/1998EP0883964A1 Tv set top box using gps
12/16/1998CN1202071A 图像处理装置 The image processing apparatus
12/15/1998US5850501 Transmission recording and reproduction of digital data and time information in transport packets using a compression ratio
12/15/1998US5850340 Integrated remote controlled computer and television system
12/15/1998US5850304 Optically programmable controller
12/15/1998US5850266 Video port interface supporting multiple data formats
12/15/1998US5850249 Receiver monitoring system with local encoding
12/15/1998US5850218 Inter-active program guide with default selection control
12/15/1998CA2099966C Method and apparatus for transmitting a video signal, and apparatus for receiving a video signal
12/10/1998WO1998056178A1 System and method for recording pay tv programs
12/10/1998WO1998056174A1 System and method for processing audio-only programs in a television receiver
12/10/1998WO1998056173A1 System and method for sorting program guide information
12/10/1998WO1998056172A1 System and method for changing program guide format
12/10/1998WO1998056126A1 Device and method for receiving data transmitted by means of an asynchronous data transmission technique
12/10/1998WO1998023059A3 Remote upgrade of software over a network
12/10/1998DE19723760A1 Einrichtung und Verfahren zum Empfang von Daten Apparatus and method for receiving data
12/09/1998EP0882359A2 Multimedia communications with system-dependent adaptive delays
12/09/1998EP0882357A1 Copy protect recording and playback system
12/09/1998EP0781489B1 Telecasting service for providing video programs on demand with an interactive interface for facilitating viewer selection of video programs
12/09/1998CN1201581A Enhanced display system on screen
12/09/1998CN1201580A Displaying timer for screen
12/09/1998CN1201579A Digital video and interface of display
12/08/1998US5848240 Method of connecting a first terminal to peripheral equipment connected to a second terminal
12/08/1998US5848158 Data copyright management system
12/08/1998US5848057 Apparatus for estimating variable bit rate (VBR) video traffic, and method therefor
12/08/1998US5848026 Integrated circuit with flag register for block selection of nonvolatile cells for bulk operations
12/08/1998US5847771 Digital entertainment terminal providing multiple digital pictures
12/08/1998US5847765 Moving picture decoding control system
12/08/1998US5847761 Method for performing rate control in a video encoder which provides a bit budget for each frame while employing virtual buffers and virtual buffer verifiers
12/08/1998US5847691 Microkeyer for microcomputer broadcast video overlay of a DC restored external video signal with a computer's DC restored video signal
12/03/1998WO1998054910A2 Method of switching video sequences and corresponding switching device and decoding system
12/03/1998WO1998054902A1 Method and apparatus for splicing compressed information signals
12/03/1998WO1998045978A3 Method and apparatus for providing remote site administrators with user hits on mirrored web sites
12/02/1998EP0880857A1 Multicast downloading of software and data modules and their compatibility requirements
12/02/1998EP0880855A1 Intelligent memory management system and method
12/02/1998EP0880854A1 Bandwidth efficient communication of user data in digital television data stream
12/02/1998EP0761065B1 Video clip program guide
12/02/1998CN1200859A On-screen displaying insertion
12/02/1998CN1200858A Simplified input selector for video signals
12/01/1998US5845089 Multimedia information processing apparatus
12/01/1998US5845043 Transmission recording and reproduction of digital data and time information in transport packets using a compression ratio
12/01/1998US5845042 Transmission recording and reproduction of digital data and time information in transport packets using a compression ratio
12/01/1998US5845021 Image information encoding/decoding system
12/01/1998US5844897 Data transmission apparatus and data transmission method
12/01/1998US5844636 Method and apparatus for receiving and recording digital packet data
12/01/1998US5844633 Channel memory device and the method therefor
12/01/1998US5844628 For dividing inputted frame image data into multiple blocks
12/01/1998US5844600 Methods, apparatus, and systems for transporting multimedia conference data streams through a transport network
12/01/1998US5844595 Decoding of digital data including program specific information
12/01/1998US5844594 Method and apparatus for MPEG encoding
12/01/1998US5844575 Video compression interface
12/01/1998US5844552 Communication of character data in a web television
11/1998
11/26/1998WO1998053614A1 System for digital data format conversion and bit stream generation
11/26/1998WO1998053609A1 Personal television editing system
11/26/1998WO1998053607A1 Interactive television program guide with selectable non-program options
11/26/1998WO1998053391A2 Spatial browsing approach to multimedia information retrieval
11/26/1998WO1998040889A3 Recording of a digital information signal on a record carrier
11/25/1998EP0879534A1 Media online services access system and method
11/25/1998CN1200220A Bandwidth efficient communication of user data in digital television data stream
11/24/1998US5842111 Customer premise equipment for use with a fiber access architecture in a telecommunications network
11/19/1998WO1998052357A1 System for filtering content from videos
11/19/1998WO1998052355A1 Peripheral software download of a broadcast receiver
11/19/1998WO1998052285A2 Digital video transport error handling in cell based communications systems
11/18/1998EP0878092A1 Video viewing supervision system
11/18/1998EP0878088A2 System for processing a video signal via series-connected high speed signal processing smart cards
11/18/1998EP0732026A4 System and method for providing compressed digital teletext services and teletext support services
11/18/1998CN1199210A High safety secret key transmission mode
11/17/1998US5838873 Packetized data formats for digital data storage media
11/17/1998US5838678 Method and device for preprocessing streams of encoded data to facilitate decoding streams back-to back
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