Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
12/1985
12/10/1985US4558347 Progressive scan television system employing vertical detail enhancement
12/05/1985WO1985005525A1 Non-linear sync signal processing circuit
12/05/1985WO1985005524A1 Television renting system
12/05/1985WO1985005523A1 Tamper-resistant, expandable communications system
12/05/1985WO1985005517A1 Apparatus for transmitting digital signals
12/04/1985EP0163514A1 Progressive scan television apparatus for non-standard signals
12/04/1985EP0163513A1 A television apparatus using non-interlaced scanning format
12/04/1985EP0163512A2 Spatial-temporal frequency interleaved processing of a television signal
12/04/1985EP0163436A2 Power supply system for CATV tap-off unit
12/03/1985US4556973 Frequency-division multiplex communication method and system
12/03/1985US4556904 Teletext system having user prompt commands
12/03/1985CA1197561A1 Satellite broadcast signal receiving system
11/1985
11/27/1985EP0162712A2 A television apparatus using non-interlaced scanning format
11/27/1985EP0162612A2 Receiver for a character broadcasting system
11/27/1985EP0162514A1 Adjustable bandwidth frequency demodulator circuit
11/27/1985EP0162501A2 Video signal processing arrangement
11/27/1985EP0162499A2 Fading circuit for video signals
11/27/1985EP0162116A1 Television receiver
11/26/1985US4555810 Distribution system for a local area network
11/26/1985US4555729 System for transmitting television picture information using an error-protection code
11/26/1985US4555728 Method of examining an object by radiation
11/26/1985US4555727 Optical scanning apparatus
11/26/1985CA1197314A1 Television signal modification apparatus
11/21/1985WO1985005205A1 Triangle and pyramid signal transforms and apparatus
11/21/1985EP0161997A1 Apparatus for controlling at least one device from at least one telephone connected to an exchange
11/21/1985EP0161966A1 Method of and device for transcoding colours allowing the interconnection of two devices and a different colour definition
11/21/1985EP0161913A2 Method and apparatus for subscription control for television programming
11/21/1985EP0161908A2 System for detecting difference between image on primary sheet and image on secondary sheet
11/19/1985US4554660 One-way data transmission system
11/19/1985US4554584 Television guidance system
11/19/1985US4554581 STV Decoder with improved data signal recognition capability
11/19/1985US4554580 Image information output apparatus
11/19/1985US4554579 Two-way CATV system with AML commands
11/19/1985CA1197005A1 System comprising a preliminary processing device controlled in accordance with an amount of information stored in a buffer
11/13/1985EP0161162A1 Automatic exchange with a video switching matrix
11/13/1985EP0160706A1 Television receiver
11/13/1985EP0160687A1 Unit for monitoring a welding process.
11/12/1985US4553204 Central processing unit restoring mechanism for a system having a plurality of central processing units
11/12/1985US4553162 Television transmitter
11/12/1985US4553161 Upstream data packet time slot synchronization with downstream VBI for two-way CATV system
11/12/1985US4552360 Video game with control of movement and rate of movement of a plurality of game objects
11/07/1985WO1985005002A1 Semi-compatible hdtv signals for transmission over two catv channels
11/07/1985WO1985004977A1 Method for transcoding colours enabling the interconnection of two equipments for the definition of different colours, and transcoder related thereto
11/06/1985EP0160595A1 Circuit for coding and decoding a video signal coded by shifting the image signal relative to the synchronising signal
11/06/1985EP0160547A2 Motion-adaptive interpolation method for video signal and device for implementing the same
11/06/1985EP0160123A2 Shot monitoring apparatus
11/06/1985EP0160066A1 Data retrieval system
11/06/1985EP0160063A1 A movement detector for use in television signal processing.
11/06/1985EP0053185B1 Motion and intrusion detecting system
11/05/1985US4551839 Error-protecting system for a two-way asynchronous data transmission
11/05/1985US4551767 Stationary-picture transmission system
11/05/1985US4551754 Compatible wide-screen color television system
11/05/1985US4551753 Picture signal processing system including spatio-temporal filter
11/05/1985CA1196432A1 Videocommunication network between videophone terminals and a picture bank
10/1985
10/30/1985EP0159924A1 Digital "DIDON" demodulator
10/30/1985EP0159893A2 Signal generator circuits
10/30/1985EP0159892A2 Apparatus for scrolling display images
10/30/1985EP0159859A2 Quad-edge video signal detector
10/30/1985EP0159506A2 Apparatus for band compression processing of a picture signal
10/30/1985EP0159364A1 Apparatus for processing digital video signal
10/29/1985US4550341 Unauthorized observation preventing device for CATV system
10/29/1985US4550337 Digital video transmission system
10/29/1985CA1196107A1 Methods of correcting errors in binary data
10/29/1985CA1196087A1 Method for eliminating motion induced flicker in a video image
10/29/1985CA1196084A1 Television signal receiving system
10/24/1985WO1985004728A1 Device for detecting movable objects
10/23/1985EP0159181A2 Progressive scan video processor
10/23/1985EP0158767A2 Videotex decoder apparatus
10/23/1985EP0158633A1 Education utility
10/22/1985US4549208 Picture processing apparatus
10/22/1985CA1195765A1 Method and apparatus for scrambling a television signal
10/22/1985CA1195764A1 Method and apparatus for identifying and rendering operative particular descramblers in a television signal scrambling system
10/22/1985CA1195763A1 Teleconferencing method and system
10/16/1985EP0158548A1 Cable television network
10/16/1985EP0158383A1 Device for deciphering and decoding television pictures coded according to the MAC standard and scrambled by application of circular permutations to the video signals
10/16/1985EP0158293A2 Improved television commercial monitor device
10/16/1985EP0157889A1 Addressable security system for cable channel authorization
10/15/1985US4547804 Method and apparatus for the automatic identification and verification of commercial broadcast programs
10/15/1985US4547802 TV Scrambler/descrambler using serial memories
10/15/1985US4547800 Position detecting method and apparatus
10/15/1985US4547763 MOS Parallel A/D converter
10/14/1985EP0056402A4 Adaptive reconstruction of information signals in a plural channel system.
10/10/1985WO1985004543A1 Preprogrammed over-the-air marketing research system
10/10/1985WO1985004542A1 Apparatus for processing a television signal including a movement detector
10/09/1985EP0157460A2 Closed circuit television system
10/09/1985EP0157417A2 X-ray diagnostic apparatus for eliminating scattered x-ray components
10/09/1985EP0157141A1 Device for fast profile plotting
10/08/1985US4546387 Circuit for providing accurately spaced video and sound carriers
10/08/1985US4546386 Adaptive predictive coding system for television signals
10/08/1985US4546384 Test method for workpieces
10/08/1985US4546382 Television and market research data collection system and method
10/08/1985CA1195016A1 Synchronization apparatus in transmitting information on a simplex bus
10/08/1985CA1195014A1 Device for generating differentially enhanced images
10/08/1985CA1194984A1 Method and apparatus for transmitting an image
10/08/1985CA1194983A1 Use of a single set of steering bits in a plural channel system
10/08/1985CA1194982A1 Furnace burden thermographic method and apparatus
10/08/1985CA1194981A1 Phase change dynamic scrambling
10/02/1985EP0156709A1 Method for inserting digital signals in a television signal and decoder for these signals
10/02/1985EP0156602A1 Image data transmission system
10/02/1985EP0156480A1 Timing control signal generator for teletext signal waveform equalizer
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