| Patents for H04N 21 - Selective content distribution, e.g. interactive television, vod [video on demand] (56,445) |
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| 02/16/1999 | US5872942 Computer system having a multimedia bus and comprising a centralized I/O processor which performs intelligent byte slicing |
| 02/16/1999 | US5872598 Scene change detection using quantization scale factor rate control |
| 02/16/1999 | US5872588 Method and apparatus for monitoring audio-visual materials presented to a subscriber |
| 02/16/1999 | CA2106828C Interactive television multicasting |
| 02/16/1999 | CA2096878C Efficient frequency scalable video encoding with coefficient selection |
| 02/16/1999 | CA2057642C Secure hierarchial video delivery system and method |
| 02/13/1999 | CA2245076A1 Mpeg frame processing method and apparatus |
| 02/11/1999 | WO1999007145A1 Verification of the source of program of information in a conditional access system |
| 02/11/1999 | WO1999006998A1 Model and command set for an av/c-based disc player/recorder subunit |
| 02/11/1999 | WO1999006997A1 A model and command set for an av/c-based disc media player/recorder subunit |
| 02/10/1999 | EP0895694A1 System and method for creating trick play video streams from a compressed normal play video bitstream |
| 02/10/1999 | CN1207860A Set-top electronics and network interface unit |
| 02/10/1999 | CN1207844A Home multimedia network architecture |
| 02/09/1999 | US5870521 Edited coded data decoding apparatus with substitute image replacement |
| 02/09/1999 | US5870474 Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
| 02/09/1999 | US5870150 Television guide reader and programmer |
| 02/09/1999 | US5870143 Electronic apparatus with generic memory storing information characteristic of, and information not characteristic of, functions of the apparatus |
| 02/09/1999 | US5870134 CATV network and cable modem system having a wireless return path |
| 02/09/1999 | US5870084 System and method for efficiently storing and quickly retrieving glyphs for large character set languages in a set top box |
| 02/09/1999 | CA2186368C Methods for providing conditional access information to decoders in a packet-based multiplexed communications system |
| 02/04/1999 | WO1999005864A1 Editing device, editing method, splicing device, splicing method, encoding device, and encoding method |
| 02/04/1999 | WO1999005810A1 Method and apparatus for aligning sub-stream splice points in an information stream |
| 02/04/1999 | WO1999005602A1 A robust, reliable compression and packetization scheme for transmitting video |
| 02/03/1999 | EP0894395A1 Method and apparatus for delivering caller identification information and services |
| 02/03/1999 | EP0870248A4 Apparatus and method for video decoding |
| 02/03/1999 | EP0803110B1 Audiovisual distribution system |
| 02/03/1999 | EP0737403B1 Data modulation arrangement for selectively distributing data |
| 02/02/1999 | US5867584 Video object tracking method for interactive multimedia applications |
| 02/02/1999 | US5867579 Apparatus for data copyright management system |
| 02/02/1999 | US5867223 System for assigning multichannel audio signals to independent wireless audio output devices |
| 02/02/1999 | US5867207 Program guide in a digital video system |
| 02/02/1999 | US5867205 Method and apparatus for controlling video/audio and channel selection for a communication signal based on textual information indicative of channel contents of a signal |
| 01/28/1999 | WO1999004575A1 Method and apparatus for video compression and transmission with reduced delay |
| 01/28/1999 | WO1999004568A1 Communication system and method |
| 01/28/1999 | WO1999004567A2 System and method for automated audio/video archive and distribution |
| 01/28/1999 | WO1999004560A1 Tv graphical user interface providing selection among various lists of tv channels |
| 01/28/1999 | WO1999004559A1 Tv graphical user interface having cursor position indicator |
| 01/28/1999 | WO1999004342A1 Automatic regeneration of user data from a network |
| 01/28/1999 | WO1999003849A1 Fluorescent dibenzazole derivatives and methods related thereto |
| 01/28/1999 | CA2296375A1 Method and apparatus for video compression and transmission with reduced delay |
| 01/28/1999 | CA2295304A1 Fluorescent dibenzazole derivatives and methods related thereto |
| 01/27/1999 | EP0893920A2 System for the dynamic modification of the content of a multimedia data stream |
| 01/27/1999 | EP0893027A1 Video transcoder |
| 01/27/1999 | CN1206536A Multimedia communications with system-dependent adaptive delays |
| 01/27/1999 | CN1206533A Broadcast receiver selectively using navigation information multiplexed on transport stream and recording medium recording method of the same |
| 01/27/1999 | CN1206294A Control device, control method, electric apparatus, control method of electric apparatus, electric apparatus system, control method of electric apparatus sysetem, and transmission medium |
| 01/26/1999 | US5864823 Integrated virtual telecommunication system for E-commerce |
| 01/26/1999 | US5864817 Method for decoding MPEG audio data |
| 01/26/1999 | US5864682 Method and apparatus for frame accurate access of digital audio-visual information |
| 01/26/1999 | US5864557 Method and apparatus for opportunistically transferring data in a packet stream encoder |
| 01/26/1999 | US5864409 Image processing system providing access to data processing |
| 01/21/1999 | WO1999003281A1 Graphic scene animation signal, corresponding method and device |
| 01/21/1999 | WO1999003280A1 Data signal for modifying a graphic scene, corresponding method and device |
| 01/21/1999 | WO1999003275A1 Programme generation |
| 01/21/1999 | WO1999003271A1 Interactive program guide navigator |
| 01/21/1999 | WO1999003270A1 Video promotion system with flexible local insertion capabilities |
| 01/21/1999 | WO1999003269A1 A system for forming and processing program specific information suitable for terrestrial, cable or satellite broadcast |
| 01/21/1999 | WO1999003268A1 A system for forming and processing program map information suitable for terrestrial, cable or satellite broadcast |
| 01/21/1999 | WO1999003267A1 A system for forming and processing text data for use in program specific information for broadcast |
| 01/21/1999 | WO1999003266A1 A system for forming and processing program specific information containing text data for terrestrial, cable or satellite broadcast |
| 01/21/1999 | WO1998047279A3 Multiple database, user-choice-compiled program and event guide |
| 01/20/1999 | EP0891672A2 Method and system for implementing interactive broadcast programs and commercials |
| 01/20/1999 | EP0891670A1 Method for providing a secure communication between two devices and application of this method |
| 01/20/1999 | EP0891669A1 A method for controlling copy protection in digital video networks |
| 01/20/1999 | EP0891668A1 Bookmarking television program and channel selections |
| 01/19/1999 | US5862450 Method and apparatus for delivering simultaneous constant bit rate compressed video streams at arbitrary bit rates with constrained drift and jitter |
| 01/19/1999 | US5862324 Broadband communications network services access platform |
| 01/19/1999 | US5862299 Conditional access system for local storage device |
| 01/19/1999 | US5862220 Method and apparatus for using network address information to improve the performance of network transactions |
| 01/19/1999 | US5862219 Cable television setback decoder automatic control |
| 01/19/1999 | US5862218 Method and apparatus for in-camera image marking and authentication |
| 01/19/1999 | US5862140 Method and apparatus for multiplexing video programs for improved channel utilization |
| 01/19/1999 | US5861919 Dynamic rate optimization for an ensemble of video encoders |
| 01/19/1999 | US5861906 Interactive entertainment network system and method for customizing operation thereof according to viewer preferences |
| 01/19/1999 | US5861881 Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers |
| 01/19/1999 | CA2130395C Multimedia distribution over wide area networks |
| 01/19/1999 | CA2130018C Two-way catv system and remote control system |
| 01/14/1999 | WO1999001987A1 Device and method for controlling image encoding, encoding system, transmission system and broadcast system |
| 01/14/1999 | WO1999001984A1 Intelligent electronic program guide |
| 01/14/1999 | DE19755373C1 Data transmission for asynchronous transfer mode network |
| 01/14/1999 | CA2264392A1 Device and method for controlling image encoding, encoding system, transmission system and broadcast system |
| 01/13/1999 | EP0891083A2 Network system and terminal apparatus |
| 01/13/1999 | EP0890244A1 Transition controlled balanced encoding scheme |
| 01/13/1999 | EP0890232A1 Computer controlled home entertainment system |
| 01/13/1999 | EP0772857B1 Education and entertainment device with dynamic configuration and operation |
| 01/13/1999 | CN1204911A User interface of digital TV. system |
| 01/12/1999 | US5859976 System and method for enabling a data/video server to implement operation in accordance with a new connection diagram, and a data/video server including that system |
| 01/12/1999 | US5859949 Transmission, recording and reproduction of digital data and time information in transport packets using a compression ratio |
| 01/12/1999 | US5859852 For achieving a network connection in an asymmetric network system |
| 01/12/1999 | US5859662 Apparatus and method for selectively viewing video information |
| 01/12/1999 | US5859660 Non-seamless splicing of audio-video transport streams |
| 01/07/1999 | WO1999000988A1 Multimedia multiplexing method |
| 01/07/1999 | WO1999000984A1 System for adaptive video/audio transport over a network |
| 01/07/1999 | WO1998046006A3 System and method for interfacing mpeg-coded audiovisual objects permitting adaptive control |
| 01/07/1999 | WO1998046005A3 System and method for processing object-based audiovisual information |
| 01/07/1999 | WO1998026529A3 Interactive service device metering systems |
| 01/07/1999 | EP0888690A1 Interactive satellite broadcast system |
| 01/07/1999 | EP0888688A2 Combination of vcr index and epg |
| 01/07/1999 | EP0888672A1 Apparatus and method for spectrum management in a multipoint communication system |
| 01/06/1999 | CN1204216A Device for raising processing efficiency of image and sound |