Patents
Patents for H04N 9 - Details of colour television systems (80,494)
04/1987
04/28/1987US4661842 Luminance/chrominance separator
04/28/1987US4661841 Color signal processing circuit
04/28/1987US4661840 NTSC color television transmission
04/28/1987EP0207085A4 Signal to noise ratio enhancement using baseband signals in an fm television system.
04/22/1987EP0219338A2 Digital color signal processing circuit
04/22/1987EP0219287A1 Cathode ray tube degaussing circuitry
04/21/1987US4660104 Method for recording and/or reproducing video and audio signals on a magnetic tape and a rotary cylinder arrangement therefor
04/21/1987US4660100 Rotary recording medium reproducing apparatus for reproducing pre-recorded signals from a rotary recording medium having track turns recorded with digital signal and track turns recorded with analog signal
04/21/1987US4660097 Color video system with digital audio pulse width modulation
04/21/1987US4660093 Television receiver with delayed display
04/21/1987US4660085 Television receiver responsive to plural video signals
04/21/1987US4660084 Television receiver with selectable video input signals
04/21/1987US4660083 Video display system with stabilized background level
04/21/1987US4660075 Color information detecting device
04/21/1987US4660074 NTSC color television transmission without chroma crawl
04/21/1987US4660073 Video apparatus for selectively processing either composite or component color video signals
04/21/1987CA1220852A1 Television circuit arrangement for determining in a video signal frame periods comprising two field periods
04/15/1987EP0218463A2 Luminescence detecting devices
04/15/1987EP0218457A2 Brightness and automatic kinescope bias control in a video signal processor
04/15/1987EP0218456A2 Automatic bias control of an image display device in a video monitor
04/15/1987EP0218455A2 Sample and hold circuit for a control system in a video signal processor
04/15/1987EP0218454A2 A video signal processing system
04/15/1987EP0218393A1 Chroma key system
04/15/1987EP0218241A2 Bi-dimensional comb filter
04/15/1987EP0217859A1 Apparatus and method for generating a rotating clock video wipe.
04/15/1987CN86105117A Multi-picture display tv receiver
04/15/1987CN85107649A Frequency generation for multiplexed analog component color television encoding and decoming
04/14/1987US4658412 X-ray diagnostic apparatus
04/14/1987US4658305 Video signal recording and reproducing apparatus having a pre-emphasis and de-emphasis system for noise reduction
04/14/1987US4658304 Image recording system
04/14/1987US4658288 Beam index system with switchable memories
04/14/1987US4658287 MOS imaging device with monochrome-color compatibility and signal readout versatility
04/14/1987US4658285 Video signal noise reduction apparatus
04/09/1987DE3535311A1 Method of deriving a scanning cycle
04/08/1987EP0217669A2 Beam-index type colour cathode ray tube devices
04/08/1987EP0217649A2 A multi-standard adaptive chrominance separator
04/08/1987EP0217648A2 A digital 25 Hz offset generator
04/08/1987EP0217647A2 Time base correction of television signals
04/08/1987EP0217646A2 A multi-standard adaptive dropout compensator
04/08/1987EP0217628A2 Interpolation filter with motion compensation
04/08/1987EP0217565A2 Carrier chrominance signal processing circuit
04/08/1987EP0217474A2 Colour display apparatus
04/08/1987EP0217152A2 Video tape recorder with magnetic head arrangement for recording/reproducing to two different formats
04/08/1987EP0217123A2 Multi-standard colour television receiver
04/08/1987EP0217091A1 Velocity error correcting circuit for time base error corrector
04/08/1987CN86105149A Frequency conversion of rf signal used for colour tv set
04/08/1987CN85107249A Carrier wave colour signal recording and reproducing device
04/07/1987US4656531 Noise-eliminating apparatus for a video tape recorder
04/07/1987US4656528 Signal recording system for recording signals on a rotary recording medium
04/07/1987US4656527 Magnetic recording and playback apparatus
04/07/1987US4656515 Horizontal compression of pixels in a reduced-size video image utilizing cooperating subsampling and display rates
04/07/1987US4656502 Color mixing or interference reduction circuit in color TV decoding circuits
04/07/1987US4656501 Image transition detector
04/07/1987US4656467 TV graphic displays without quantizing errors from compact image memory
04/07/1987CA1220268A1 Crt drive control circuit
04/01/1987EP0216411A1 Camera for recording television, photographic or cinematographic images
04/01/1987EP0128921B1 Apparatus for deriving information signals for component television video signal reception
04/01/1987CN86106008A Video display system for displaying wide and standard aspect ration video signals
03/1987
03/31/1987US4654726 Video recorder with reduced cross talk
03/31/1987US4654724 Recording method for video and audio signals in magnetic picture recording system
03/31/1987US4654711 Television generator for highlighting portions of an image
03/31/1987US4654698 Color sensor using dichroic mirrors to displace components
03/31/1987US4654616 In a video display apparatus
03/31/1987US4654601 Demodulator for television signals with feedback to correlate frames or lines
03/31/1987US4654559 Flat color cathode-ray tube
03/31/1987US4653862 Liquid crystal display device having color filters sized to prevent light leakage between pixels
03/31/1987CA1219947A1 Keyed dc stabilization system with protection from error introduction during vertical sync interval
03/31/1987CA1219946A1 Digital television receiver
03/26/1987WO1987001896A1 Prism assembly for a single light valve full-color projector
03/26/1987WO1987001892A1 Color viewer for a color video printer
03/26/1987WO1987001891A1 Color video printer
03/26/1987WO1987001851A1 Audio and video digital recording and playback system
03/24/1987US4652938 Digital processing circuit for video signal
03/24/1987US4652912 Matrix-type color picture display apparatus with four-element unit displaying picture elements each being divided into at least two unit driving picture elements
03/24/1987US4652911 Solid-state color image sensor with matrix-type color filter formed of filter elements each transmitting red, green and blue light
03/24/1987US4652910 Automatic beam current control with an envelope detector for a color television camera tube with a stripe filter
03/24/1987US4652909 Television camera and recording system for high definition television having imagers of different frame rate
03/24/1987US4652908 Filtering system for processing a reduced-resolution video image
03/24/1987US4652907 Apparatus for adaptively controlling a video signal recursive filter
03/24/1987US4652906 Method and apparatus for color decomposition of video signals
03/24/1987US4652903 Frequency generation for multiplexed analog component color television encoding and decoding
03/24/1987CA1219692A1 Field sequential color display system
03/24/1987CA1219670A1 Apparatus for reproducing a color video signal
03/18/1987EP0214871A2 Beam-index type colour cathode ray tubes
03/18/1987EP0214755A2 Magnetic tape recording/reproducing apparatus and magnetic tape recorded by the same
03/18/1987EP0214343A2 Reproducing apparatus
03/18/1987EP0214327A1 Digital circuit for identifying the lines sequence of SECAM colour difference signals
03/18/1987CN85106515A Video signal recording and reproducing device
03/17/1987US4651232 Method of controlling apparatus for recording and/or reproducing on a record medium
03/17/1987US4651231 Timing system for laser disc having digital information
03/17/1987US4651230 Apparatus for detecting and compensating drop-outs in an audio and video signal
03/17/1987US4651227 Video signal recording apparatus with A/D conversion
03/17/1987US4651211 Video signal motion detecting apparatus
03/17/1987US4651208 Compatibility of widescreen and non-widescreen television transmissions
03/17/1987US4651197 Beam index system having two distinct levels of index video signal
03/17/1987US4651196 Adaptive control of the chrominance signal frequency response in a video signal processing system
03/17/1987US4650286 Liquid crystal light value color projector
03/17/1987CA1219359A1 Driver amplifier for an image display device
03/17/1987CA1219357A1 Backporch gating pulse generator subject to disabling during vertical sync interval
03/17/1987CA1219355A1 Brightness control network in a video signal processor with ac coupled output stages