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)
10/1998
10/07/1998CN1195253A Receiving apparatus for digital broadcasting signal and receiving/recording/reproducing apparatus thereof
10/07/1998CN1195252A High-speed data transmission for wired television network
10/06/1998US5819294 Automatic configuration mechanism for universal remote
10/06/1998US5819156 In a television mode
10/06/1998US5819049 Multi-media recording system and method
10/06/1998US5819048 Image data processing apparatus transmitting data in accordance with a reception rate
10/06/1998US5819000 Magnetic recording and playback apparatus
10/06/1998US5818967 Method in a computer system
10/06/1998US5818935 Internet enhanced video system
10/06/1998US5818845 Hybrid access system having channel allocation and prioritized polling schemes
10/06/1998US5818514 Video conferencing system and method for providing enhanced interactive communication
10/06/1998US5818510 Method and apparatus for providing broadcast information with indexing
10/06/1998US5818440 Automatic execution of application on interactive television
10/06/1998US5818438 System and method for providing television services
10/06/1998CA2077521C Method and arrangement of adaptively multiplexing data of a plurality ofvideo channels
10/04/1998CA2233247A1 Television signal broadcasting system with common clock reference
10/04/1998CA2232759A1 Combining adjacent tv channels for transmission by a common antenna
10/01/1998WO1998043433A1 Data processing system
10/01/1998WO1998043432A1 Transmission and reception of television programmes and other data
10/01/1998WO1998043431A1 Method of downloading of data to an mpeg receiver/decoder and mpeg transmission system for implementing the same
10/01/1998WO1998043430A1 Signal generation and broadcasting
10/01/1998WO1998043427A1 Broadcast and reception system, and receiver/decoder and remote controller therefor
10/01/1998WO1998043426A1 Broadcast and reception system, and conditional access system therefor
10/01/1998WO1998043425A1 Smartcard for use with a receiver of encrypted broadcast signals, and receiver
10/01/1998WO1998043423A1 Transport stream generating device and method, and program transmission device
10/01/1998WO1998043415A1 Extracting data sections from a transmitted data stream
10/01/1998WO1998043391A1 Electronic device, electronic device using method, and electronic device system
10/01/1998WO1998043376A1 Using a receiver model to multiplex variable-rate bit streams having timing constraints
10/01/1998WO1998043248A1 Computer memory organization
10/01/1998WO1998043183A1 Integrated search of electronic program guide, internet and other information resources
10/01/1998WO1998043172A2 Access control system
10/01/1998WO1998043165A1 Television or radio control system development
10/01/1998WO1998043162A1 Downloading a computer file from a transmitter via a receiver/decoder to a computer
10/01/1998CA2735333A1 A method for manipulation of audio or video signals
10/01/1998CA2284867A1 Access control system
10/01/1998CA2284147A1 Downloading a computer file from a transmitter via a receiver/decoder to a computer
10/01/1998CA2284044A1 Computer memory organization
10/01/1998CA2284022A1 Television or radio control system development
10/01/1998CA2284016A1 Signal generation and broadcasting
10/01/1998CA2284014A1 Smartcard for use with a receiver of encrypted broadcast signals, and receiver
10/01/1998CA2284011A1 Data processing system
09/1998
09/30/1998EP0868080A2 Digital video signal recording/reproducing
09/30/1998EP0867003A2 Method of and system for transmitting and/or retrieving real-time video and audio information over performance-limited transmission systems
09/30/1998EP0757876B1 Method and apparatus for graceful degradation of image playback frames rates
09/30/1998CN1194542A Waveform generator for insertion of data into digital television signals
09/29/1998US5815793 Parallel computer
09/29/1998US5815671 Method and apparatus for encoding and storing audio/video information for subsequent predetermined retrieval
09/29/1998US5815662 Predictive memory caching for media-on-demand systems
09/29/1998US5815639 Computer-aided transcription system using pronounceable substitute text with a common cross-reference library
09/29/1998US5815634 Stream synchronization method and apparatus for MPEG playback system
09/29/1998US5815502 Information transmission system with variable transmission rate
09/29/1998US5815215 Apparatus for controlling the luminance of video signals in character areas on an on-screen-display
09/29/1998US5815206 Method for partitioning hardware and firmware tasks in digital audio/video decoding
09/29/1998US5815146 Video on demand system with multiple data sources configured to provide VCR-like services
09/24/1998WO1998042129A1 Hd to sd guide converter for electronic television schedule system
09/24/1998WO1998042128A1 Multiple source keypad channel entry system and method
09/23/1998EP0866612A1 Program reception/execution apparatus which can start execution of program even when only part of program is received, and program transmitter for it
09/23/1998EP0700622A4 An integrated video and audio signal distribution system for use on commercial aircraft and other vehicles
09/23/1998CN1193858A Data processing synchronizer
09/22/1998US5812976 System and method for interfacing a transport decoder to a bitrate-constrained audio recorder
09/22/1998US5812788 Computer-implemented process for encoding video signals
09/22/1998US5812778 Service for transmitting a video signal on demand via an ISDN link
09/22/1998US5812760 Programmable byte wise MPEG systems layer parser
09/22/1998US5812123 System for displaying programming information
09/17/1998WO1998041021A1 Imaging system and method for interactive control of image quality
09/17/1998WO1998041018A1 Network system using tv channel data transmission scheme
09/17/1998WO1998041013A1 Adjustable program guide display system
09/17/1998WO1998040889A2 Recording of a digital information signal on a record carrier
09/17/1998WO1998040831A1 System and method for selection and retrieval of diverse types opf video data on a computer network
09/17/1998WO1998030023A3 Fast extraction of program specific information from multiple transport streams
09/16/1998EP0864213A1 System and method for capturing internet access information
09/16/1998CN1193439A Multimedia optical disk, reproducing device, and reproducing method capable of superposing sub-video upon main video in well-balanced state irres peative of position of main video on soreen
09/16/1998CN1193428A Compression of an electronic programming guide
09/16/1998CN1193244A Digital moving-image decoding device and decoding method thereof
09/15/1998US5809245 Multimedia computer system
09/15/1998US5809174 Decompression processor for video applications
09/15/1998US5808694 Electronic program guide system and electronic program guide displaying method
09/15/1998CA2068387C Television signal and atm cell switching system
09/11/1998WO1998039921A1 Catv network and cable modem system having a wireless return path
09/11/1998WO1998039918A1 Still frame video in index
09/09/1998EP0863669A1 Broadcast receiver selectively using navigation information multiplexed on transport stream and recording medium recording the method of the same
09/09/1998EP0862842A2 Set-top electronics and network interface unit arrangement
09/09/1998EP0862837A1 Method and apparatus for multiplexing video programs
09/09/1998EP0862836A1 Method and apparatus for multiplexing and distributing data with preformatted real-time video
09/09/1998EP0862835A1 Method and apparatus for modifying encoded digital video for improved channel utilization
09/09/1998EP0862834A1 Frequency drift correction in subscriber terminals
09/09/1998EP0862833A1 Interactive special events video signal navigation system
09/09/1998EP0862831A1 Method and apparatus for displaying textual or graphic data on the screen of television receivers
09/09/1998EP0862826A1 Home multimedia network architecture
09/08/1998US5806068 Document data processor for an object-oriented knowledge management system containing a personal database in communication with a packet processor
09/08/1998US5805974 Tv commercial control system
09/08/1998US5805804 Method and apparatus for scalable, high bandwidth storage retrieval and transportation of multimedia data on a network
09/08/1998US5805764 Data transmitting apparatus
09/08/1998US5805763 System and method for automatically recording programs in an interactive viewing system
09/08/1998US5805762 Device for generating a digital video data stream
09/08/1998US5805700 Policy based selective encryption of compressed video data
09/08/1998US5805583 Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access
09/08/1998US5805538 Method for reproducing multiple optical recording medium without interruption
09/08/1998US5805488 Method and structure for degrouping MPEG audio codes
09/08/1998US5805302 Variable length encoding of image data
1 ... 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 ... 565