Patents
Patents for H04N 9 - Details of colour television systems (80,494)
02/1977
02/01/1977US4006423 Phase detector
02/01/1977US4006292 Information recording and reproducing system with plural information tracks within a single groove
01/1977
01/25/1977US4005474 Sound record
01/25/1977US4005473 Method and apparatus for synchronizing record and playback of video signals
01/18/1977US4004292 System for producing chroma signals
01/18/1977US4004093 Truncated Schmidt optical systems for projecting color television pictures
01/18/1977US4003633 Color display device
01/11/1977US4003082 Color television system employing index signal generating means
01/11/1977US4003081 Display systems with controlled color filtering
01/11/1977US4003080 Large screen video display systems and methods therefor
01/11/1977US4003079 Chrominance-luminance signal separation for off-air video recorder
01/11/1977US4003078 Sub carrier phase shifters
01/11/1977US4003077 Method and apparatus for cancelling chrominance artifacts
01/11/1977US4002930 Phase switching circuit
01/04/1977US4001879 Automatic hue-control apparatus for color television receivers
01/04/1977US4001878 Charge transfer color imagers
01/04/1977US4001876 Color correction circuit for video recorders
01/04/1977US4001875 Recording apparatus coding circuit for an image signal and corresponding decoding circuit
01/04/1977US4001874 Method apparatus and record for distributing information in the form of color images
01/04/1977US4001603 Emitter load switching circuit
01/04/1977US4001496 Defect detection and compensation apparatus for use in an fm signal translating system
12/1976
12/28/1976USRE29094 Electro-optical display system
12/21/1976US3999141 Controllable gain signal amplifier
12/21/1976US3999008 Record carrier on which information is stored in an optically readable structure with dither focussing signals also being stored
12/14/1976US3997810 Color pickup tube face plate with opaque shading stripes overlapping adjacent filters
12/14/1976US3997797 Frequency discriminating circuit
12/07/1976US3996610 Comb filter apparatus for video playback systems
12/07/1976US3996609 Amplifier suitable for use as a color kinescope driver
12/07/1976US3996608 Hue correction apparatus having a restricted range
12/07/1976US3996606 Comb filter for video processing
12/07/1976US3996605 Time base corrector
11/1976
11/23/1976US3994013 Last line velocity compensation
11/23/1976US3993982 Sequence control unit for a television time base corrector
11/16/1976US3992719 Video signal recording/reproducing apparatus wherein the phase of the recorded signal is synchronized with the scanning head
11/16/1976US3992718 Color panoramic laser projector
11/16/1976US3992647 System for beam landing correction in color cathode ray tube in the earth's
11/02/1976US3990104 Circuit arrangement for amplitude controlling an NTSC chrominance signal with high noise immunity
11/02/1976US3990103 Input oscillators for time base correctors
11/02/1976US3989893 Reproducing apparatus with drop out suppression circuit for audio and video signals
10/1976
10/26/1976US3988775 Ghost signal suppressing device for television receiver set
10/26/1976US3988637 Circuit arrangement for generating in a picture display device a sawtooth current of line frequency having an amplitude varying at field frequency
10/19/1976US3987482 Method of positioning line scanning rasters in a color television camera and devices suitable for carrying out this method
10/19/1976US3987481 Color television signal demodulation system
10/19/1976US3987299 Method and apparatus for forming color images using an image intensifier tube
10/12/1976US3986204 Video synchronizing apparatus and method
10/12/1976US3986202 Processing apparatus and method for color video signals
10/12/1976US3986075 Automatic degaussing in television receiver with voltage regulating transformer
10/12/1976US3986069 Color stripe filter with two protective layers
10/12/1976US3985449 Semiconductor color detector
10/05/1976US3984866 Color television camera
10/05/1976US3984863 Methods and devices for stabilizing the rest frequency of frequency modulated oscillators
10/05/1976US3984721 Color pick up tube
09/1976
09/28/1976US3983575 Color saturation and contrast control circuitry responsive to ambient light
09/21/1976US3982274 Color coding filter for charge-coupled-device camera
09/21/1976US3982273 Switching arrangement for flesh tone correction and chrominance overload control circuits
09/21/1976US3982272 Color television system in which the chrominance subcarrier is locked to the frequency-modulated luminance signal
09/21/1976US3982153 Rapid warm-up heater circuit
09/14/1976US3980925 Beam mislanding correcting system
08/1976
08/31/1976US3978519 Digital time base correctors for television equipment
08/31/1976US3978279 Method and apparatus for simultaneously modulating with picture, sound and color signals the incidence of a recording light beam on a moving record medium
08/24/1976US3977022 Cathode-ray tube image presentation system of the indexing type and timing system useful therewith
08/24/1976US3977021 Color video disc, apparatus for making the same and reproducing apparatus therefor
08/24/1976US3976363 Optical system for color television camera
08/17/1976US3975766 Color television receiver
08/17/1976US3975764 Television signal recording and reproducing system
08/17/1976US3975762 Spectroscopical method and apparatus using TV scanning techniques
08/17/1976US3975760 Solid state camera
08/17/1976US3975759 Color killer circuit system video tape recorder
08/17/1976US3975748 Multispectral laser camera device
08/10/1976US3974521 Circuit for automatic gamma balancing
08/10/1976US3974520 Chrominance subcarrier phase control system
08/10/1976US3974519 Apparatus for reproducing a PAL color television signal which is recorded on a record carrier and drop out compensation
08/03/1976US3973221 Voltage controlled crystal oscillator apparatus
07/1976
07/27/1976US3972067 Color video synthesizer with monochrome input
07/27/1976US3972066 Method for image regulation of color monitors in proof-viewing and an apparatus therefor
07/27/1976US3972064 Apparatus and methods for playback of color picture/sound records
07/20/1976US3971068 Image processing system
07/20/1976US3971067 Automatic beam current limiter
07/20/1976US3971066 Special effect generation system in an image pickup system
07/20/1976US3971065 Color imaging array
07/20/1976US3971063 Digital time base corrector oscillators
07/20/1976US3970948 Controller gain signal amplifier
07/20/1976US3970895 Circuit for maintaining operating point stability of an amplifier
07/20/1976US3970774 Electronic signal mixer
07/13/1976US3969764 Color television camera
07/13/1976US3969763 Color television camera provided with a pick-up device and a color filter placed in front thereof
07/13/1976US3969760 Sampling phase identification apparatus
07/13/1976US3969759 Defect compensation systems
07/13/1976US3969758 Synchronizing system for video recorders
07/13/1976US3969757 Color image signal processing circuits
07/13/1976US3969756 Color-picture/multichannel-sound record and recording/playback apparatus and methods therefor
07/13/1976US3969755 Equipment for recording and reproducing color television signal
07/13/1976US3969593 Sound recording on color film by hue modulation
07/06/1976US3968516 Automatic gain control circuit
07/06/1976US3968514 Or reproducing apparatus
07/06/1976US3968513 System for recording a color television signal with reduced bandwidth
06/1976
06/29/1976US3967315 Beam-index color television displays
06/29/1976US3967314 Color brightness control
06/29/1976US3967313 Chrominance signal gain control circuit
06/29/1976US3967312 Color television chroma demodulator circuit