Patents
Patents for H04N 9 - Details of colour television systems (80,494)
05/1979
05/08/1979CA1054256A1 Frequency compensation apparatus for disc-shaped record reproduction
05/01/1979US4152721 Saturation control system
05/01/1979US4152720 Contrast correction arrangements
05/01/1979US4152719 Video picture compression
05/01/1979CA1053820A1 Color display device
04/1979
04/24/1979USRE29975 Magnetic recording and/or reproducing system
04/24/1979US4151554 Liquid coupled color-television image projector
04/24/1979US4151553 Color television camera
04/24/1979US4151552 Automatic beam control circuit responsive to ambient light level having utility in color television camera
04/24/1979US4151551 Programmable color enable and sequencing system for secam
04/24/1979US4151444 Voltage switching circuit for a color display system
04/24/1979US4150880 Optical achromatization for acoustooptic deflectors
04/24/1979CA1053367A1 Circuit for generating a correction current for correcting for deflection errors on the display screen of a colour television display tube
04/17/1979US4150397 Repetition reduced digital data record and playback system
04/17/1979US4150396 Erasable thermo-optic storage display of a transmitted color image
04/17/1979US4150395 Time base error correction system
04/10/1979US4149191 Method and system for converting the image content of transported film into television signal picture information
04/10/1979US4149185 Apparatus and method for animated conversion of black and white video to color
04/10/1979US4149184 Multi-color video display systems using more than one signal source
04/10/1979US4149182 Color signal modulating system
04/10/1979US4149181 Signal-dependent chrominance subcarrier filtering circuit
04/10/1979US4149180 Burst gating signal generating circuit
04/10/1979US4149179 Circuit for generating TV color burst gate
04/03/1979US4148079 Correction of rapid periodic timing errors in the production of tape-recorded color television signals and the like
04/03/1979US4148069 Automatic cable loss compensator for use in a television camera system
04/03/1979US4148059 Signal processing for discrete-sample-type-color-video signal
04/03/1979US4148058 PAL switching control circuit
03/1979
03/20/1979US4145712 Laser-elimination of mode beating
03/20/1979US4145711 SECAM modulator
03/20/1979US4145705 Time base correction of color video signal from playback apparatus
03/20/1979US4145704 Television subcarrier phase correction for color field sequencing
03/13/1979US4144546 Television signal processing circuit for correcting amplitude distortions
03/13/1979CA1050640A1 Solid state image sensor
03/06/1979US4143399 Imaging device
03/06/1979US4143397 Comb filter apparatus
03/06/1979US4143396 Digital chrominance separating and processing system and method
03/06/1979CA1050157A1 Color video reproducing apparatus
02/1979
02/27/1979CA1049668A1 Color video display system
02/27/1979CA1049648A1 Electronic signal mixer
02/20/1979US4141040 Video signal amplitude registration system
02/20/1979US4141037 Signal gating system
02/20/1979US4141036 Solid state color camera
02/20/1979US4141035 Technique for separating composite video signals
02/20/1979US4141033 Device for automatically controlling the asymmetry of a signal
02/20/1979US4140948 Convergence apparatus
02/20/1979CA1049138A1 Color correction circuit for video recorders
02/20/1979CA1049137A1 Color saturation and contrast control circuitry responsive to ambient light
02/20/1979CA1049136A1 Processing apparatus and method for color video signals
02/13/1979US4139863 Chroma generation system
02/13/1979US4139861 Single gun color picture tube brightener
02/13/1979US4139799 Convergence device for color television receiver
02/13/1979CA1048634A1 Comb filter for video processing
02/13/1979CA1048633A1 Automatic luminance channel bandwidth control apparatus responsive to the amplitude of color image information
02/13/1979CA1048631A1 Squelch circuit
02/06/1979US4138628 Magnetizing method for use with a cathode ray tube
02/06/1979CA1048143A1 Comb filter for video processing
02/06/1979CA1048142A1 Last line velocity compensation
01/1979
01/30/1979US4137547 Drop-out responsive magnetic recording and reproducing system
01/30/1979CA1047642A1 Record carrier on which information is stored in an optically readable structure
01/23/1979US4136359 Microcomputer for use with video display
01/23/1979US4136358 Transcoding apparatus
01/23/1979US4136289 Phase control circuit and oscillator circuit using it
01/23/1979CA1047158A1 Beam mislanding correcting system
01/23/1979CA1046813A1 Back projection system and screen for image projection
01/16/1979US4135201 Dynamic damping for SECAM high-frequency de-emphasis
01/16/1979CA1046670A1 Multicolor display for the visual-aesthetic portrayal of electric signals
01/16/1979CA1046636A1 Plano-concave and plano-convex lens system for deflecting read beam in optical recording system
01/16/1979CA1046632A1 Television signal recording and reproducing system
01/16/1979CA1046627A1 Picture level control with compatible automatic chroma control
01/16/1979CA1046626A1 Vir chroma system
01/09/1979US4134131 Digital video synchronizer
01/09/1979US4134129 Tri-directional positioning device for optical system including locking means
01/09/1979US4134128 Television picture size altering apparatus
01/09/1979US4134126 Color recorder having means for reducing luminance crosstalk in displayed image
01/02/1979US4133009 Color video tape recording/playback system
01/02/1979US4133003 Raster registration system for a television camera
01/02/1979US4133002 Pal identification circuit
01/02/1979CA1045710A1 Apparatus for reproducing color video signals
12/1978
12/26/1978US4131913 Solid state television camera
12/26/1978US4131912 Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds
12/20/1978EP0000104A1 Optically achromatized acoustooptic deflection apparatus
12/19/1978US4130831 Color television control circuit for use with a VIR signal
12/12/1978CA1044360A1 Color television with vrt and automatic degaussing
12/12/1978CA1044359A1 Constant bandwidth rgb output amplifiers having simultaneous gain and dc output voltage control
12/12/1978CA1044301A1 Color imaging array
12/05/1978US4128817 Voltage controlled oscillator with phase control circuits
12/05/1978CA1043901A1 Control of automatic color control and color killer circuits in video signal reproducing apparatus
12/05/1978CA1043900A1 Time base corrector
11/1978
11/28/1978US4127869 Television apparatus
11/28/1978US4127868 Circuitry for nonlinear processing of reference white on color image
11/28/1978US4127867 VIR hue control system
11/28/1978US4127866 Reference signal generator
11/28/1978US4127322 High brightness full color image light valve projection system
11/28/1978CA1043458A1 Color phase matching system for magnetic video tape recording
11/21/1978US4126838 Uniform surface acoustic wave transducer configuration having improved frequency selectivity
11/21/1978US4126814 Electron gun control system
11/14/1978US4125858 Video display arrangements
11/14/1978US4125857 Field sequential color television camera arrangements
11/14/1978US4125795 Convergence apparatus
11/14/1978CA1042246A1 Optical system for color image projecting apparatus