Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 5 - Details of television systems
Patents for H04N 5 - Details of television systems (344,250)
05/1980
05/27/1980US4205336 Signal processing system
05/27/1980US4205310 Television titling apparatus and method
05/27/1980US4205269 Remote control variable attenuation device for an antenna amplifier
05/27/1980CA1112090B Viewfinder eyepiece leveling device
05/27/1980CA1078516A1 Bulk charge coupled devices with read out gates
05/27/1980CA1078511A1 Process for controlling the starting and stopping of the reading of a recording support
05/27/1980CA1078504A1 Video amplifier including an a-c coupled voltage follower output stage
05/27/1980CA1078242A1 Viewfinder eyepiece leveling device
05/27/1980CA1078155A1 Method of manufacturing an electrically controllable pivoting mirror device
05/20/1980US4204230 High resolution input scanner using a two dimensional detector array
05/20/1980US4204229 Video contrast expanding arrangement
05/20/1980US4204227 Television picture compressor
05/20/1980US4204226 Real-time digital X-ray time interval difference imaging
05/20/1980US4204225 Real-time digital X-ray subtraction imaging
05/20/1980US4204221 Predictably biased kinescope driver arrangement in a video signal processing system
05/20/1980US4204219 Noise cancellation circuit
05/20/1980CA1078060A1 Multi-layered optical data records and playback apparatus
05/20/1980CA1078057A1 Noise reduction system for color television
05/14/1980EP0011016A1 Transmitting system for audio-visual television signals synchronised by a pilot frequency, and method for putting it into operation
05/14/1980EP0010926A1 Input scanner using a two dimensional detector array
05/14/1980EP0010716A1 Method and device for changing video recordings with or without audio information into video recording and reproducing systems, particularly magnetic recording and reproducing systems
05/13/1980US4203134 FM Signal demodulator with defect detection
05/13/1980US4203133 Optical player with half wave plate
05/13/1980US4203131 Predictable automatic brightness control circuit in a video signal image reproducing system
05/13/1980US4203076 Clock pulse signal generator having an automatic frequency control circuit
05/06/1980US4202015 Video projection system
05/06/1980US4202014 Pulse modulated automatic light control
05/06/1980US4202013 Line time base in television receiver
05/06/1980US4202010 Thermoelectric display cell for recording images line by line
05/06/1980US4202009 Processing amplifier for three-tube color television camera
05/06/1980US4201962 Input transformer arrangement for use in a television receiver
05/06/1980US4201931 Apparatus for protecting the target of an image-producing tube from injuriously high local current densities
04/1980
04/30/1980EP0010506A1 Digital coding and decoding methods and devices for the recording of audio signals with a television signal, particularly on a video disk
04/30/1980EP0010433A1 Continuous motion flying spot telecine
04/29/1980US4200890 Digital video effects system employing a chroma-key tracking technique
04/29/1980US4200889 Complementary pre-emphasis and de-emphasis circuits for a video signal transfer channel
04/29/1980US4200888 Television camera circuit comprising a gamma and an aperture correction circuit
04/29/1980US4200887 Television camera
04/29/1980US4200882 Color television CRT beam current correction circuit
04/29/1980US4200790 Closed-chamber high-pressure gas ion-flow electro-radiography apparatus with direct-charge readout
04/29/1980CA1076697A1 Arrangements for time base error compensation
04/29/1980CA1076404A1 Panoramic camera scanning system
04/22/1980US4199820 Random access storage apparatus with a movable recording medium
04/22/1980US4199790 Matrix wipe generator for television signals
04/22/1980US4199788 Video special effects generator
04/22/1980US4199787 Intercarrier sound system
04/22/1980US4199786 Video/intercarrier sound detecting circuit in television receiver
04/22/1980US4199785 Electronic zoom system
04/22/1980US4199783 Optical system for recording and reading an information on a tape
04/22/1980US4199781 Program schedule displaying system
04/22/1980US4199780 Video drop out compensator incorporating digital field storage
04/22/1980CA1076261A1 Method of and apparatus for converting a plural-bit digital signal to a pulse width modulated signal
04/22/1980CA1076255A1 Lid interlock and turntable brake system
04/22/1980CA1076250A1 Method and apparatus for recording a single video frame
04/22/1980CA1076249A1 Elimination of flicker phenomena of video records
04/22/1980CA1076247A1 Constant pulse width sync regenerator
04/22/1980CA1076246A1 Noise reduction system
04/22/1980CA1076245A1 Video time base corrector
04/17/1980WO1980000774A1 Electronic image enhancement
04/16/1980EP0010040A1 Method for transmitting an analog audiofrequency signal during line-field synchronisation intervals of a television signal, and apparatus for utilising this method
04/16/1980EP0010023A1 High performance amplitude modulation transmission system and television transmitter and retransmitter comprising such a system
04/15/1980US4198662 Method of recording and playing back video signals on magnetic tape
04/15/1980US4198659 Vertical synchronizing signal detector for television video signal reception
04/15/1980US4198658 Recording/playback apparatus facilitating track skip detection
04/15/1980US4198656 Video sequencer-processor
04/15/1980US4198650 Capacitive-type nonlinear emphasis circuit
04/15/1980US4198646 Monolithic imager for near-IR
04/15/1980US4198592 Circuit for stabilizing electron beam focusing of an electromagnetic focusing type camera tube
04/15/1980US4198591 Vertical deflecting circuit
04/15/1980CA1075838A1 Channel selection apparatus
04/08/1980US4197565 System for reproducing a video signal recorded in parallel track sections on a recording medium
04/08/1980US4197564 Automatically calibrated RF envelope detector circuit
04/08/1980US4197562 Method of slow-motion play back of video signals and video tape recorder for same
04/08/1980US4197558 Overload protection circuit for video amplifiers
04/08/1980US4197557 Brightness control circuit employing a closed control loop
04/08/1980CA1075057A1 Remote control light transmitting lens system
04/02/1980EP0009436A1 Acousto-electric device for processing a two-dimensional optical image
04/02/1980EP0009409A1 Cathode ray tube arc-over protection
04/01/1980US4196449 Digital video effects system employing a chroma-key tracking technique
04/01/1980US4196446 Television picture tube having enhanced resolution and color purity
04/01/1980CA1074932A1 Apparatus and method for modulating a flat panel display device
04/01/1980CA1074929A1 Channel selecting apparatus with reversible counter
04/01/1980CA1074922A1 System of data storage
04/01/1980CA1074916A1 Arrangement for compensating duty factor variations in an optical video disc
04/01/1980CA1074906A1 Apparatus for automatic gamma control of television color signals
03/1980
03/25/1980US4195309 Video processing system including comb filters
03/25/1980CA1074471A1 Light pen detection and tracking with ac plasma display panel
03/19/1980EP0008844A1 Method of and apparatus for deriving a PAL colour television signal corresponding to any desired field in an 8-field PAL sequence from one stored field or picture of a PAL signal
03/19/1980EP0008843A1 Method of and apparatus for movement portrayal with a raster, e.g. television, display
03/19/1980EP0008673A2 Colour picture scanning device and method
03/18/1980US4194220 Leakage current compensating circuit for semiconductor image sensor
03/18/1980US4194219 Noise reduction in electrical signals
03/18/1980US4194215 Method and apparatus for displaying a video picture on a matrix of light emitting elements
03/18/1980CA1074031A1 Display system
03/18/1980CA1074007A1 Disc record groove skipper apparatus
03/18/1980CA1074005A1 Recording and playback system
03/18/1980CA1074004A1 Compensation of cathode ray tube for moire
03/11/1980US4193120 Addressable event display and control system
03/11/1980US4193098 Segmented video playback apparatus with ancillary recording medium
03/11/1980US4193095 Driver system of memory type gray-scale display panel
1 ... 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 ... 3443