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)
11/1996
11/16/1996CA2614546A1 Serving signals
11/16/1996CA2604048A1 Serving signals
11/16/1996CA2580499A1 Serving signals
11/14/1996WO1996029817A3 System for providing closed captioning to an electronic discussion group
11/13/1996EP0742658A2 Dynamic channel assignment for data transmitted via cable television channels
11/13/1996EP0741944A1 Cable television billing method
11/12/1996US5574778 For providing broadband information to a remote terminal
11/12/1996US5574752 Moving image data transmitter and receiver frame synchronization
11/12/1996US5574505 Method and apparatus for operating a transport stream encoder to produce a stream of packets carrying data representing a plurality of component signals
11/12/1996US5574495 Cable television data path error analyzer located at the set-top terminal
11/12/1996US5574494 Method for automatically navigating a complex struture at an interactive user station
11/07/1996WO1996035293A1 Tv set top box using gps
11/07/1996WO1996026608A3 System for transmitting a plurality of video programs simultaneously through a transmission channel
11/06/1996EP0740884A1 Transaction based interactive television system
11/05/1996US5572654 Method and apparatus for graceful degradation of image playback frames rates
11/05/1996US5572333 Compressed data recording method using integral logical block size and physical block size ratios
10/1996
10/31/1996WO1996034491A1 Electronic television program guide schedule system and method with remote product ordering
10/31/1996WO1996034467A1 Method and apparatus for determining desired reception frequency using broadcaster information
10/31/1996CA2736634A1 Electronic television program guide schedule system and method with remote product ordering
10/31/1996CA2466894A1 Electronic television program guide schedule system and method with remote product ordering
10/31/1996CA2219352A1 Method and apparatus for determining desired reception frequency using broadcaster information
10/30/1996EP0740478A2 Method and apparatus for receiving and/or reproducing digital signals
10/30/1996EP0740471A2 An image encoding and transmitting system
10/30/1996EP0739558A1 Method and apparatus for multiple media digital communication system
10/30/1996CN1134771A Interactive information services control system
10/29/1996US5570372 Multimedia communications with system-dependent adaptive delays
10/29/1996US5570296 System and method for synchronized presentation of video and audio signals
10/29/1996US5570126 System for composing multimedia signals for interactive television services
10/24/1996WO1996033572A1 Merging multi-source information in a television system
10/24/1996WO1996033562A1 Asymmetric hybrid access system and method
10/24/1996CA2842380A1 Merging multi-source information in a television system
10/24/1996CA2747361A1 Merging multi-source information in a television system
10/23/1996EP0738450A1 Consumer interface for a digital television system
10/23/1996EP0738449A1 A digital television system channel guide having a limited lifetime
10/22/1996US5568274 Apparatus and method for processing a variable-rate coded signal for erecording to provide a high-speed search capability, apparatus and method for reproducing such processed signal, and recording including such processed signal
10/22/1996US5568184 Multi-point motion picture encoding and decoding apparatus
10/22/1996US5568181 Multimedia distribution over wide area networks
10/17/1996WO1996032814A1 Catv converter
10/17/1996WO1996032793A1 Networked video downloading servers with customized services
10/17/1996WO1996017306A3 Media server
10/16/1996EP0737975A2 Recording medium, recording apparatus and recording method for recording data into recording medium, and reproducing apparatus and reproducing method for reproducing data from recording medium
10/16/1996EP0737929A2 Stream scheduling system for real time stream server
10/16/1996EP0737911A1 Image projection system and method of controlling a projected pointer
10/16/1996CN1133665A A system for local processing/accessing and representation of large volumes of data
10/16/1996CN1133531A Device and method for digital data recording/rendition
10/15/1996US5566353 Point of purchase video distribution system
10/15/1996US5566208 Encoder buffer having an effective size which varies automatically with the channel bit-rate
10/15/1996US5565929 Audio-visual control apparatus for determining a connection of appliances and controlling functions of appliances
10/15/1996US5565926 Method and apparatus for communicating digital television signals using a signal constellation formed by four signal constellations placed in the quadrants
10/10/1996WO1996031982A1 Information terminal having reconfigurable memory
10/10/1996WO1996031980A1 Interactive program guide systems and processes
10/10/1996WO1996031972A1 Voice and visual data communications switching using forms
10/09/1996EP0713621A4 Method and apparatus for uniquely encrypting a plurality of services at a transmission site
10/08/1996US5564001 Communications system
10/08/1996US5563948 Process for authentication of smart cards, and device for use of the process
10/08/1996US5563892 Method of upgrading the program transport capacity of an RF broadcast channel
10/08/1996US5563884 Reducing multiplex jitter in an ATM/MPEG system
10/08/1996US5563804 System for providing closed captioning to an electronic discussion group
10/08/1996US5563648 Method for controlling execution of an audio video interactive program
10/08/1996CA2073893C Multipoint teleconference system employing communication channels set in ring configuration
10/03/1996WO1996031067A1 High speed digital video serial link
10/03/1996WO1996031052A1 Data transmission device
10/03/1996CA2216171A1 High speed digital video serial link
10/02/1996EP0735776A2 Decoder for compressed and multiplexed video and audio data
10/02/1996CN1132445A Apparatus and method for transmitting, recording and reproducing digital data
10/02/1996CN1132440A CDP-incorporated television receiver having monitor power control function
10/01/1996US5561791 Method and apparatus for conditioning timed program independent of transport timing
10/01/1996US5561709 In a data communication system
10/01/1996US5561670 Method and apparatus for operating a multicast system on an unreliable network
10/01/1996US5561608 Multisystem adaptable type signal processing and recording/reproducing apparatus
10/01/1996US5561471 Apparatus and method for controlling the display of a caption on a screen and for maximizing the area devoted to presentation of the received video signal
10/01/1996US5561466 Video and audio data multiplexing into ATM cells with no dummy cell used and ATM cell demultiplexing
10/01/1996US5561457 Apparatus and method for selectively viewing video information
10/01/1996CA2043138C Television receiver
09/1996
09/26/1996WO1996029823A1 Television distribution system and method
09/26/1996WO1996029817A2 System for providing closed captioning to an electronic discussion group
09/26/1996WO1996021990A3 Information system having a speech interface
09/26/1996WO1996017467A3 System and method for scheduling broadcast of and access to video programs and other data using customer profiles
09/25/1996EP0733251A1 Device and method of signal loss recovery for realtime and/or interactive communications
09/25/1996EP0667063B1 Process for transmitting and/or storing digital signals from several channels
09/25/1996CN1131867A Information processing device and information usage charge system
09/24/1996US5559999 MPEG decoding system including tag list for associating presentation time stamps with encoded data units
09/24/1996US5559808 Simulcasting digital video programs
09/24/1996US5559562 MPEG editor method and apparatus
09/24/1996US5559561 Coded modulation with shaping gain and tomlinson precoding
09/24/1996US5559549 Television program delivery system
09/24/1996US5559503 Communications device for initializing terminals in a signal distribution system
09/19/1996WO1996028932A1 Method and apparatus for translating closed caption data
09/19/1996WO1996028918A1 Single oscillator compressed digital information receiver
09/19/1996WO1996028907A1 A method of upgrading the program transport capacity of an rf broadcast channel
09/19/1996WO1996028906A1 Simultaneous overlapping broadcasting of digital programs
09/19/1996WO1996028896A1 Method for compression of loss-tolerant data
09/18/1996EP0732028A1 Data word indicator in a system for assembling transport data packets
09/18/1996EP0732026A1 System and method for providing compressed digital teletext services and teletext support services
09/17/1996US5557724 User interface, method, and apparatus selecting and playing channels having video, audio, and/or text streams
09/17/1996US5557661 System for coding and decoding moving pictures based on the result of speech analysis
09/17/1996US5557538 MPEG decoder
09/17/1996US5557442 Optical amplifiers with flattened gain curves
09/17/1996US5557320 Video mail delivery system
09/12/1996WO1996027989A1 Interactive system for a closed cable network including an internet gateway and linked services
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