Patents
Patents for H04N 9 - Details of colour television systems (80,494)
05/1978
05/02/1978US4087836 Signal processing for an imaging device
05/02/1978US4087835 Projection type color television system
05/02/1978US4087176 System for overall color correction of color picture information contained in a projecting multi-color light beam
04/1978
04/25/1978US4086615 Method and apparatus for the gamma correction of video signals
04/18/1978US4085426 Method for protecting against drop-outs in a sound signal recorded on a video-disc
04/18/1978US4085425 Precise control of television picture size and position
04/18/1978US4085419 Color television camera
04/18/1978US4085418 Color image pick-up system using strip filter
04/11/1978US4084182 Multi-beam modulator and method for light beam displays
04/11/1978US4084181 Apparatus for transmission of chrominance signals during blanking period
04/11/1978US4084180 Color splitting prism assembly
04/11/1978US4084179 Color television camera
04/11/1978US4084178 Automatic hue control circuit
04/11/1978US4084177 Secam subcarrier generator
04/11/1978US4084176 Pilot signal processing means for video recording apparatus
04/11/1978US4083627 Two dimensional optical phase grating filter
03/1978
03/28/1978US4081841 Solid state image sensor
03/28/1978US4081829 Audio activated video display
03/28/1978US4081827 Apparatus for encoding television signals
03/28/1978US4081826 Video time base corrector
03/28/1978US4081766 Crystal tuned voltage controlled oscillator
03/28/1978US4081277 Method for making a solid-state color imaging device having an integral color filter and the device
03/21/1978US4080630 Line scan converter for an image display device
03/21/1978US4080624 Optical color-separation system for use in a color television camera
03/21/1978US4080623 Color television camera with internal registration
03/21/1978US4080622 Television camera
03/14/1978US4079421 Image scanning system
03/14/1978US4079412 Signal processing circuit in a color video signal recording and/or reproducing apparatus
03/14/1978US4079411 Diffractive phase filter having near field wavelength dependent focusing properties
03/07/1978USRE29570 Television system having aperture correction
02/1978
02/28/1978US4077047 Color killer enhancement in a video signal recording/playback system
02/28/1978US4077046 System for recording and/or reproducing a video signal
02/14/1978US4074321 Circuit for separating chroma and luminance information in a composite video signal
02/14/1978US4074309 Video effects apparatus and method
02/14/1978US4074307 Signal processor using charge-coupled devices
02/07/1978US4072984 Chrominance-luminance separator
02/07/1978US4072983 SECAM identification circuit
02/07/1978US4072405 Prism system for use in tricolor separation
01/1978
01/31/1978US4071853 Solid state television camera
01/24/1978US4070691 Stabilizing system for cathode ray tube
01/17/1978US4069501 Solid-state video camera
01/17/1978US4069499 Write clock pulse signal generator for digital time base corrector
01/17/1978US4069432 Signal comparator circuit
01/17/1978US4068847 Chroma and luminance signal generator for video games
01/10/1978US4068261 Image pickup devices and image pickup tubes utilized therein
01/10/1978US4068260 Combination optical low pass filter capable of phase and amplitude modulation
01/10/1978US4068259 Coder and decoder for a system designed to disseminate color television audio video signals
01/10/1978US4068258 Method for compressing then expanding a television signal
01/10/1978US4068257 Color video signal recording and/or reproducing system
01/10/1978US4068256 Video recording apparatus with color killer
01/03/1978US4067043 Optical conversion method
01/03/1978US4066355 Solid-state color-copying scanner
12/1977
12/27/1977US4065787 Time base corrector
12/27/1977US4065785 Single sensor time encoded color imaging system
12/20/1977US4064532 Solid state color camera
12/20/1977US4064531 Process and circuit for decoding the output signal of a camera tube in a single-tube color television camera
12/20/1977US4064530 Noise reduction system for color television
12/20/1977US4064529 Apparatus for automatic color balancing of color television signals
12/20/1977US4064417 System for stabilizing cathode ray tube operation
12/13/1977US4063284 Time base corrector
12/13/1977US4063280 Chroma-signal processing system
12/13/1977US4063279 Self-tracking injection lock voltage controlled oscillator
12/13/1977US4063231 Visual display apparatus
12/06/1977US4062044 Color television receiver employing elastic surface wave filter
12/06/1977US4062042 D.C. controlled attenuator
12/06/1977US4062041 Input voltage controlled oscillator circuit for a television signal time base corrector
11/1977
11/22/1977US4059840 Television camera and pick-up tube having stripes for improved resolution and linearity
11/22/1977US4059839 Solid state camera
11/22/1977US4059838 Chroma-preference control for VIR automatic operation
11/15/1977US4058827 Color separating optical system for a television camera
11/08/1977US4057837 Television camera comprising a rigid housing
11/08/1977US4057828 Contrast compression circuits
11/08/1977US4057827 Apparatus for reading color television signal from a disc-shaped record carrier
11/08/1977US4057826 Sync responsive systems for video disc players
11/01/1977US4056826 Subcarrier regeneration circuit for color television receivers
10/1977
10/25/1977US4055848 Signal processing for off-air video recorder
10/18/1977US4054918 Film scanning system providing automatic frame positioning
10/18/1977US4054915 Color television camera
10/18/1977US4054907 Back projection apparatus
10/18/1977US4054906 Solid state color camera
10/18/1977US4054905 Automatic chrominance gain control system
10/18/1977US4054904 Video signal coding system
10/18/1977US4054903 Video time base corrector
10/11/1977US4053927 Chrominance amplifier control circuit providing simultaneous adjustment of gain and DC level
10/11/1977US4053926 Timing error compensator
10/11/1977US4053203 Automatic centering
10/04/1977US4052740 Moire interference reducing circuit for fm video recorders
10/04/1977US4052736 Line-sequential color television encoding and decoding system
10/04/1977US4052735 Modulated fleshtone and tint correction circuitry
10/04/1977US4052734 Grgb line sequential color television system
10/04/1977US4052733 Pal four-frame subcarrier phase detector
10/04/1977US4052679 Phase shifting circuit
09/1977
09/27/1977US4051533 Signal processor for reducing interference between frequency-modulated signals
09/27/1977US4051521 Video amplifier for combining luminance and chrominance signals
09/27/1977US4051520 Color television chroma keying signal generator
09/27/1977US4051519 Phase control circuit suitable for use in a tint control stage of a color television system
09/27/1977US4051518 Burst gate pulse generator
09/27/1977US4051517 Hybrid sequential and carrier encoded color television transmission method and circuits
09/27/1977US4051516 U-v signal
09/27/1977US4051515 Color video signal recording and reproducing apparatus providing preferential dropout compensation and time base error correction