Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
05/1984
05/15/1984US4449249 Televison programming information system
05/15/1984US4449238 Voice-actuated switching system
05/15/1984US4449199 Ultrasound scan conversion and memory system
05/15/1984US4449195 Digital fluorographic processor control
05/15/1984US4449194 Multiple point, discrete cosine processor
05/15/1984US4449145 Intelligent teletext decoder
05/15/1984US4449143 Transcodeable vertically scanned high-definition television system
05/15/1984US4448201 Digital scan converter
05/15/1984CA1167563A1 Hardware reduction for digital video system using subsampling and adaptive reconstruction
05/15/1984CA1167562A1 Television system with access control
05/10/1984WO1984001874A1 Signal encoding-decoding apparatus
05/10/1984WO1984001873A1 Data transmission system with alarm
05/09/1984EP0107981A2 A graphic image symbol storage system for interactive video displays
05/08/1984US4447902 Error-correction format for digital television signals
05/08/1984US4447901 Mode discrimination circuit
05/08/1984US4447886 Triangle and pyramid signal transforms and apparatus
05/08/1984US4447828 Phase change dynamic scrambling
05/08/1984CA1167156A1 Monitoring system and method utilizing signal injection for determining channel reception of video receivers
05/08/1984CA1167155A1 Signal unscrambler
05/08/1984CA1167106A1 Test equipment for a teletex television receiver
05/02/1984EP0107463A1 Digital television system with error correction
05/02/1984EP0107426A1 Image transmission
05/02/1984EP0107286A2 Method of and apparatus for special program decoding of scrambled subscription television transmission and the like
05/02/1984EP0107239A1 Differential pulse code modulation transmission system
05/02/1984EP0107203A2 Method of and device for storing three-dimensional digital signals subjected to orthogonal transformation
05/01/1984US4446548 Apparatus for the point-by-point scanning of an object
04/1984
04/25/1984EP0106714A1 Access point structure for a data packet broadcasting network
04/25/1984EP0106279A2 Digital data transmission system, especially a colour television transmission system
04/25/1984EP0106020A2 Line-locked digital fluorography system
04/25/1984EP0106000A1 Digital circuit to suppress changes in a digital signal
04/25/1984EP0105906A1 Audio scrambler utilizing an auxiliary channel for synchronizing the descrambler
04/25/1984EP0105897A1 Signal coding for secure transmission
04/24/1984CA1166371A1 Service-integrated communication transmission and exchange system
04/18/1984EP0105619A2 Multiple-measurement noise-reducing system
04/18/1984EP0105604A2 A dual mode encoding/decoding technique for use in a digital transmission system
04/17/1984US4443815 Wired program distribution system tamper detector
04/17/1984US4443766 Precision digital sampler
04/17/1984US4442929 Hydraulic clutch
04/11/1984EP0105126A2 X-ray image correction apparatus
04/10/1984US4442461 Signal recording and/or reproducing technique
04/10/1984US4442454 Image processing method using a block overlap transformation procedure
04/10/1984US4442453 Photo-reconnaissance system
04/10/1984CA1165401A1 Receive only earth satellite ground station
04/04/1984EP0104963A1 Method of reducing the data rate of data successively transmitted between a transmitter and a receiver, and a system for carrying out the method
04/04/1984EP0104828A2 Colour video signal processing
04/03/1984US4441180 Service integrated communication transmission and interchange system
04/03/1984CA1164998A1 Method of and arrangement for digitizing a time- discrete video signal using a picture transform coding
04/03/1984CA1164992A1 Method of analyzing particles in a dilute fluid sample
04/03/1984CA1164991A1 Video signal coding by video signal polarity reversal on the basis of brightness level comparison
03/1984
03/29/1984WO1984001254A1 Television system
03/28/1984EP0103773A1 Method of processing picture signal to increase average run length and apparatus therefor
03/28/1984EP0103711A2 Device for interpreting data words
03/27/1984US4439785 In a video recorder
03/27/1984US4439784 Power cutting device for terminal units of CATV system
03/27/1984CA1164564A1 Ultrasound scan conversion and memory system
03/21/1984EP0103488A2 Method and apparatus for encoding and decoding video
03/21/1984EP0103438A1 Television and distribution network
03/21/1984EP0103380A1 Improvements relating to data transmission
03/21/1984EP0103355A2 Analog to digital converting system for a video signal
03/21/1984EP0103339A1 Television picture scrambling method, and descrambling apparatus therefor
03/21/1984EP0103076A1 Digital transmission system for video signals or picture telephone signals
03/20/1984US4438452 Transcoder for sampled television signals
03/20/1984CA1164116A1 Video system for assisting automobile traffic
03/15/1984WO1984001071A1 Data conference system
03/13/1984US4437119 Inter-frame adaptive prediction system for television signals
03/13/1984US4437115 Object and inspection system
03/13/1984CA1163707A1 Video communication system allowing graphic additions to the images communicated
03/13/1984CA1163706A1 Wired program distribution system tamper detector
03/06/1984US4435734 FM Video recording and reproducing system
03/06/1984US4435728 Field frequency-doubling circuit for a television signal
03/06/1984CA1163365A1 Pcm detector
03/06/1984CA1163364A1 Pcm detector for video reproducer apparatus
03/06/1984CA1163359A1 Device for following and estimating the local state of picture contours
03/06/1984CA1163358A1 Television monitoring system
03/06/1984CA1163357A2 Method and system for subscription television billing and acces
03/01/1984WO1984000863A1 Recorded program communication system
02/1984
02/28/1984US4434499 System of numerical transmission with adaptative coding, of analogical information sampled and transformed by orthogonal transformation
02/28/1984US4434440 FM/TV Transmission system
02/28/1984US4434438 In a transversal filter
02/28/1984US4434437 Generating angular coordinate of raster scan of polar-coordinate addressed memory
02/28/1984US4434436 Addressable premium channel obfuscation device for cable television systems
02/28/1984US4434422 Digital scan converter with randomized decay function
02/28/1984CA1163025A1 Service integrated digital transmission system
02/22/1984EP0101336A2 Processed video signal generator with contrast for radiology, and method of processing such a signal
02/22/1984EP0101218A2 Methods of correcting errors in binary data
02/22/1984EP0100916A2 Method and device for coding an image signal with redundancy reduction with locally uniform distortion
02/21/1984US4432931 Inspection system
02/21/1984CA1162642A1 Digital video signal encoding and decoding system
02/21/1984CA1162641A1 Rf trap for a cable television trunk amplifier station
02/16/1984WO1984000657A1 Transmission and/or reception of television pictures
02/16/1984WO1984000656A1 Secure coding and decoding system and method for television program signals
02/15/1984EP0100704A1 Videocommunication network between videophone terminals and an image bank
02/15/1984EP0100613A1 Signal distribution networks
02/14/1984US4432019 Simultaneous amplitude sequency apparatus
02/14/1984US4431865 Digital signal enciphering and deciphering apparatus and system
02/14/1984CA1162294A1 Auxiliary television signal system
02/14/1984CA1162293A1 Method and device for addressing a page memory in a videotex system
02/14/1984CA1162292A1 Method of aligning videotex characters and device for carrying out such a method
02/14/1984CA1162291A1 Scrambler for subscription television system
02/08/1984EP0100216A1 Improvements relating to video data transmission
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