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)
04/1998
04/29/1998EP0838929A1 Broadband-augmented computer communication system
04/29/1998EP0838915A2 Digital broadcasting system using virtual channels
04/29/1998EP0838115A1 Apparatus for decoding video signals encoded in different formats
04/29/1998CN1180230A Karaoke playback apparatus using both communication and broadcasting and system including the same
04/28/1998US5745756 Method and system for managing movement of large multi-media data files from an archival storage to an active storage within a multi-media server computer system
04/28/1998US5745710 Graphical user interface for selection of audiovisual programming
04/28/1998US5745696 Transport controller for timed program data
04/28/1998US5745318 Digital video tape reproducing apparatus for reproducing video signals from tracks in a magnetic tape having reproducing heads having widths the same as or different from that of the recording heads
04/23/1998WO1998017063A1 A television event marking system
04/23/1998WO1998017033A1 Device interoperability
04/23/1998WO1998017024A1 Apparatus and method for analyzing bitstreams
04/22/1998EP0837566A2 Control of modulation process based on significance factor of input signal
04/22/1998CN1179655A Broadcasting system and information broadcast receiving terminal apparatus used therein
04/22/1998CN1179652A Information signal communication apparatus, method and system
04/21/1998US5742677 Information terminal having reconfigurable memory
04/21/1998US5742610 Method and apparatus for use in a data communications network serving subscribers operating at a plurality of transmisson data rates
04/21/1998US5742361 Data demultiplexer
04/21/1998US5742352 Video caption data decoding device
04/16/1998WO1998016067A2 Apparatus and method for multi-service transport multiplexing
04/16/1998CA2267152A1 Apparatus and method for multi-service transport multiplexing
04/15/1998EP0836329A1 Image encoder, image encoding method and medium on which image encoding program is recorded
04/15/1998EP0836190A2 Information recording disk medium and reproduction apparatus
04/15/1998EP0806114A4 System and method for selectively distributing commercial messages over a communications network
04/15/1998EP0677843B1 Recording medium which can cope with various languages and reproduction apparatus
04/14/1998US5740387 Computer system having an expansion bus which includes normal and real time modes
04/14/1998US5740245 Down-line transcription system for manipulating real-time testimony
04/14/1998CA2110133C Data server, control server and gateway architecture system and method for broadcasting digital video on demand
04/08/1998EP0835029A2 Data transfer and reception
04/08/1998EP0834143A1 System and method for delivery of video data over a computer network
04/08/1998EP0787391A4 Conditional access system
04/08/1998CN1178621A Video signal transmission device
04/08/1998CN1178442A Remote control apparatus
04/08/1998CN1178431A Digital tuner and control method therefor
04/08/1998CN1178428A Superimposing apparatus and method for video appliance
04/07/1998US5737747 Prefetching to service multiple video streams from an integrated cached disk array
04/07/1998US5737577 Complementary block storage for breater minimumdata transfer rate
04/07/1998US5737552 Computer-implemented method
04/07/1998US5737009 On-demand digital information delivery system and method using signal fragmentation and linear/fractal sequencing.
04/07/1998US5736977 Video real estate information service
04/02/1998WO1998013962A1 Method and apparatus for dynamic bandwidth allocation in a packet stream encoder
04/01/1998EP0833511A2 A broadcasting system and an information broadcast receiving terminal apparatus used therein
04/01/1998CN1177774A Apparatus for transmitting formated data to central processor
03/1998
03/31/1998US5734925 Method for scheduling I/O transactions in a data storage system to maintain the continuity of a plurality of video streams
03/31/1998US5734853 Set top terminal for cable television delivery systems
03/31/1998US5734822 Apparatus and method for preprocessing computer programs prior to transmission across a network
03/31/1998US5734787 Optical disk having a particular format to store user-selected data, such as compressed video data or computed files, including a dedicated TOC region and an application TOC to identify the video compression format
03/31/1998US5734720 System and method for providing digital communications between a head end and a set top terminal
03/31/1998US5734677 Method for compression of loss-tolerant video image data from multiple sources
03/31/1998US5734589 Digital entertainment terminal with channel mapping
03/31/1998US5734443 Method and device for performing source transitions in a video system which performs entropy encoding
03/31/1998US5734437 Character display apparatus for an intelligence television
03/31/1998US5734413 Transaction based interactive television system
03/31/1998US5733131 Education and entertainment device with dynamic configuration and operation
03/26/1998WO1998012878A1 Synchronization infrastructure for use in a computer system
03/26/1998WO1998012874A1 Set top terminal for an interactive information distribution system
03/26/1998WO1998012872A1 Television schedule system with pop-up action menu and icons
03/26/1998WO1998012871A1 Internet television apparatus
03/26/1998WO1998012823A1 Method and apparatus for providing control channel communications for an information distribution system
03/26/1998WO1997004585A3 Method of transmitting and receiving compressed television signals
03/26/1998CA2262120A1 Television schedule system with pop-up action menu and icons
03/25/1998EP0830784A2 System for providing closed captioning to an electronic discussion group
03/25/1998EP0830783A1 Method and apparatus for copy protection for various recording media using a video finger print
03/25/1998EP0830756A1 Asymmetric hybrid access system and method
03/25/1998EP0830740A1 Compression of an electronic programming guide
03/25/1998CN1177257A Picture synchronization circuit and method therefor
03/24/1998US5732239 Method for operating a disk storage system which stores video data so as to maintain the continuity of a plurality of video streams
03/24/1998US5732217 Video-on-demand system capable of performing a high-speed playback at a correct speed
03/24/1998US5731764 Power control system for connecting and verifying slave connections
03/19/1998WO1998011727A1 Apparatus for processing data elements to be inserted into a frame
03/19/1998WO1998011723A1 Program reception/execution apparatus which can start execution of program even when only part of program is received, and program transmitter for it
03/19/1998WO1998011687A2 Method and apparatus for dynamically controlling encoding parameters of multiplexed encoders in a multiplexed system
03/19/1998WO1998011684A1 System and method for capturing internet access information
03/19/1998WO1998011487A1 A digital information library and delivery system
03/18/1998EP0830026A2 Apparatus and method for playing digitized media data
03/18/1998EP0830019A2 Apparatus for controlling the display of data, apparatus for transmitting of display control information and an apparatus for editing of the said display control information
03/18/1998EP0829167A1 Asymmetric data communications system
03/17/1998US5729825 Television distribution system and method using transmitting antennas on peripheries of adjacent cells within a service area
03/17/1998US5729648 Method and apparatus for selecting encoded video data for use during video recorder trick play operation
03/17/1998US5729549 Simulcasting digital video programs for broadcast and interactive services
03/12/1998WO1998010589A1 Schedule system with enhanced recording capability
03/11/1998EP0828390A2 Dynamic mapping of broadcast resources
03/11/1998EP0827669A1 Logical and composite channel mapping in an mpeg network
03/11/1998EP0827668A1 Improvements in receivers for television signals
03/11/1998EP0786108A4 Delivery of data including preloaded advertising data
03/10/1998US5726989 Method for ensuring synchronization of MPEG-1 data carried in an MPEG-2 transport stream
03/05/1998WO1998009437A1 Broadcast receiver selectively using navigation information multiplexed on transport stream and recording medium recording the method of the same
03/05/1998WO1998009209A1 Systems and methods for secure transaction management and electronic rights protection
03/04/1998EP0827341A2 A karaoke playback apparatus utilising digital multi-channel broadcasting and a system including the same
03/04/1998EP0827340A2 Terminal apparatus and method for achieving interactive operations
03/04/1998EP0827336A2 Digital broadcasting system, digital broadcasting apparatus, and associated receiver therefor
03/04/1998EP0827110A2 Memory sharing in a MPEG decoder
03/04/1998EP0826287A1 Compressed digital-data interactive program system
03/04/1998EP0756793A4 Complexity determining apparatus
03/04/1998CN1175338A Modem with automatic callback provisions
03/03/1998US5724525 System and method for remotely selecting subscribers and controlling messages to subscribers in a cable television system
03/03/1998US5724155 Electronic imaging system
03/03/1998US5724102 Systems in which information can be retrieved from an encoded, laser readable disc
03/03/1998US5724091 In an interactive television system
02/1998
02/26/1998WO1997047128A3 Improvements in or relating to changing the bit rate of a signal
02/25/1998EP0825777A2 Code image data output apparatus and method
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