Patents for H04N 7 - Television systems (274,023)
05/1990
05/16/1990EP0368400A1 Coding, decoding and transmitting system for television pictures
05/16/1990EP0368390A1 Amplification system for teledistribution
05/16/1990EP0368378A1 Satellite-receiver
05/16/1990EP0368313A2 Video tape recorder capable of receiving teletext broadcasting
05/16/1990EP0368151A2 Method of determining search positions for movement estimation
05/16/1990EP0368139A2 Method for coding residual error pictures
05/16/1990CN1042285A Video signal synchronization system as for extended definition widescreen television signal processing system
05/16/1990CN1042282A Satellite-receiver and also television signal processing circuit suitable for satellite receiver
05/16/1990CA2003136A1 High definition b-mac television signal transmission system
05/15/1990US4926477 Cable television descrambler
05/15/1990US4926454 X-ray diagnostic apparatus
05/15/1990US4926441 Phase-shift-keying transmitter
05/15/1990US4926264 Addressable terminal for CATV
05/15/1990US4926260 Video signal processing circuit
05/15/1990US4926256 Billing data display system for a closed circuit television system
05/15/1990US4926255 System for evaluation of response to broadcast transmissions
05/15/1990US4926246 Dither processing circuit
05/15/1990US4926245 Transmitting color information using two channelsT?????h)??????????0*0*0*0?0?
05/14/1990CA2002818A1 High definition time multiplexed analog components (hdmac) television system
05/14/1990CA2002646A1 Interactive multimedia presentation and communications system
05/11/1990CA2002636A1 Quadruplex encoding for actv
05/10/1990DE3736374A1 Method for transmitting and receiving multiple image signals at a sequential field rate
05/09/1990EP0367585A2 Electronic data encoding and recognition system
05/09/1990EP0367315A1 Television system with a digital data rate
05/09/1990EP0367310A2 Picture motion measurement
05/09/1990EP0367264A2 A digital video tape recorder capable of high speed image reproduction
05/09/1990EP0366975A2 Method and apparatus for frequency control of multiple oscillators using a single frequency-locked-loop
05/09/1990EP0366919A2 Two-dimensional digital filter
05/08/1990US4924498 Method and apparatus for improving video scrambling and employing split snyc pulses
05/08/1990US4924313 Still picture signal processing apparatus having high resolution image pickup device with 4-to-1 interlace
05/08/1990US4924312 Device for ensuring the television compatability of picture sensors with optomechanical analysis
05/08/1990US4924311 Dual-mode teleconferencing system
05/08/1990US4924310 Method for the determination of motion vector fields from digital image sequences
05/08/1990US4924309 Method and circuit arrangement for improving the resolution of the coefficients of digital signals, particularly digital TV signals
05/08/1990US4924308 Bandwidth reduction system for television signals
05/08/1990US4924306 Method of and device for estimating the extent of motion in a picture element of a television picture
05/08/1990US4924305 Motion detecting circuit for video signal processing using correlation techniques
05/08/1990US4924303 Method and apparatus for providing interactive retrieval of TV still frame images and audio segments
05/08/1990CA1268852A1 Decoding device capable of producing a decoded video signal with a reduced delay
05/03/1990WO1990004905A1 Interframe deinterleave switching circuit
05/03/1990WO1990004901A1 Voice signal demodulation circuit
05/03/1990WO1990004895A2 Information coding process
05/03/1990WO1990004893A1 Emitter, transmission method and receiver
05/03/1990WO1990004891A1 Voice signal demodulation circuit
05/03/1990WO1990004890A1 Voice signal demodulation circuit
05/03/1990WO1990004773A1 Article inspection system for analyzing end and adjacent sides
05/03/1990WO1990004350A1 Endoscope
05/03/1990DE3936234A1 Vertical deflection circuit for high resolution TV receiver - uses storage of vertical deflection current data supplied in synchronism with vertical synchronisation signal
05/02/1990EP0366435A2 Orthogonal and inverse orthogonal transform apparatus
05/02/1990EP0366235A1 Monitoring systems and methods
05/02/1990EP0366165A2 Picture motion measurement
05/02/1990EP0365874A1 Optical inspection system for solder joints and inspection method
05/02/1990EP0365538A1 Method for reading out an image signal stored in a transparent photostimulable phosphor.
05/02/1990CN1041855A Satellite tv receiving system with high dynamic range composite signal channel
05/02/1990CN1041854A Apparatus and method for converting pictures or images into video signals
05/01/1990US4922544 Image processing
05/01/1990US4922532 Sync suppression scrambling and descrambling of television signals for subscription TV
05/01/1990US4922523 Videotex with telephone call screening system
05/01/1990US4922343 Apparatus for detecting frequency of input signal with a digital scanning G-converter
05/01/1990US4922342 System of transmitting high-definition television pictures via a narrow-passband channel
05/01/1990US4922341 Method for scene-model-assisted reduction of image data for digital television signals
05/01/1990US4922340 Method and an apparatus of compressing information content of multilevel digital image data
05/01/1990US4922338 Line-of-sight inspection system
05/01/1990US4922337 Time delay and integration of images using a frame transfer CCD sensor
05/01/1990US4922273 Compression method of halftone image data
05/01/1990US4922118 Apparatus for increasing number of scanning lines
05/01/1990US4921430 Connector for the use of electronic parts
04/1990
04/26/1990CA2001596A1 Article inspection system for analyzing end and adjacent sides
04/25/1990EP0365431A1 Transmitter, transmission method and receiver
04/25/1990EP0365090A1 Device for doubling the sequential rate of television signals, and television picture decoder comprising such a device
04/25/1990EP0365069A2 Memory for video signals
04/25/1990EP0364748A2 Circuitry for reading data from a picture memory
04/25/1990EP0364578A1 Inspection apparatus for hot furnace
04/25/1990EP0364489A1 Dpcm system with interframe motion indicator signal
04/25/1990EP0364478A1 Image transmission system with preview mode.
04/25/1990CA2001263A1 Digital audio-video presentation display system
04/24/1990US4920566 Dual loop sinewave descrambler and method of descrambling
04/24/1990US4920533 CATV subscriber terminal transmission control
04/24/1990US4920503 Computer remote control through a video signal
04/24/1990US4920432 System for random access to an audio video data library with independent selection and display at each of a plurality of remote locations
04/24/1990US4920426 Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information
04/24/1990US4920414 Digital video signal encoding arrangement, and corresponding decoding arrangement
04/24/1990US4920412 Atmospheric obscurant penetrating target observation system with range gating
04/24/1990CA1268247A1 Security arrangement for downloadable cable television converters
04/19/1990WO1990004310A1 Videophone
04/19/1990WO1990004309A1 High definition b-mac television signal transmission system
04/19/1990WO1990004308A1 Method and apparatus for improving vertical definition of a television signal by scan conversion
04/19/1990WO1990004307A1 Tv signal processing device
04/19/1990WO1990004306A1 Signal transmission
04/19/1990DE3915817A1 Endoscope examination and documentation system - has miniature video camera and microphone for simultaneous display and recording of endoscope image
04/19/1990CA2001071A1 How to produce frequency/phase modulation
04/18/1990EP0364285A2 Television transmission
04/18/1990EP0364261A2 Highly efficient coding apparatus
04/18/1990EP0363847A1 System for substituting stored video information for another video information
04/18/1990EP0363682A2 Video signal encoding device
04/18/1990EP0363677A2 Circuit for the estimation of movement in a detected picture
04/18/1990EP0363522A1 X-ray diagnostic arrangement with a storage screen
04/18/1990CN1041500A High-definition television system
04/18/1990CN1041495A Sampled data phase locking system
04/18/1990CN1041466A Method and apparatus of moving estimate for image system of moving picture