Patents
Patents for H04N 9 - Details of colour television systems (80,494)
01/1981
01/27/1981US4247866 Nested loop video disc servo system
01/27/1981US4247865 Alternate frame shift color video display technique
01/27/1981US4247799 Cationic dyes absorbing different wavelengths
01/22/1981WO1981000182A1 Power supply circuit
01/21/1981EP0022530A1 A patterned layer article and manufacturing method therefor
01/20/1981US4246610 Noise reduction system for color television signal
01/20/1981US4246605 Optical simulation apparatus
01/20/1981US4246601 Solid-state color imaging device
01/20/1981US4246600 Color image pick-up system for a color television system
01/20/1981US4246599 Abnormal separation detecting circuits of chromatic signals of SECAM systems
01/20/1981US4246598 Color television camera system having solid-state opto-electric transducers for luminance and chrominance signals
01/20/1981CA1094214A1 Negative gamma circuit
01/14/1981EP0022412A1 Process for the automatic generation and correction of the cut-off voltage of an electron gun and apparatus for carrying out this process
01/13/1981US4245241 Solid-state color imaging device
01/13/1981US4245240 Color camera having linear scanning arrays and vertical scanning mirror
01/13/1981US4245239 Color television receiving system utilizing inferred high frequency signal components to reduce color infidelities in regions of high color saturation
01/13/1981US4245238 Non-linear processing of video image vertical detail information
01/13/1981US4245237 Controllable non-linear processing of video signals
01/13/1981US4245236 Chrominance take-off circuit
01/13/1981US4245235 Method and system for transmitting and/or recording color T.V. signals
01/13/1981US4245234 Method of recording color television signals as a repetitive series of normally recorded lines and phase reversed lines
01/13/1981CA1093681A1 Solid state image sensor
01/13/1981CA1093625A1 Apparatus producing static eight-pole magnetic field for correcting raster distortion in a television picture tube
01/07/1981EP0021863A1 Digital process for checking the correct reproduction of a composite television signal and device for carrying out this process
01/07/1981EP0021096A1 Imaging apparatus for generating electrical signals and its use in facsimile imaging apparatus
01/07/1981EP0020910A1 Colour cathode-ray tube apparatus
01/07/1981EP0020909A1 Colour cathode-ray tube apparatus with shadow mask
01/07/1981EP0020494A1 Reproductive procedure for original models, which are explored in as much as concerns their degree of coloring, by a three component method.
01/06/1981US4244003 Charge proportional opto-electronic converter providing enhanced blue color signal
01/06/1981US4243913 Color picture tube magnetic shielding and degaussing structure
01/06/1981CA1093206A1 Brightness control apparatus
01/06/1981CA1093205A1 Circuit for separating chroma and luminance information in a composite video signal
01/06/1981CA1093203A1 Chroma preference control for vir automatic operation
01/06/1981CA1093202A1 Signal-handling circuit
12/1980
12/30/1980US4242704 Noise reduction system for color television signal
12/30/1980US4242703 Projection apparatus for optical systems
12/30/1980US4242701 Color hardcopy from electronic information
12/30/1980US4242700 Line transfer CCD imagers
12/30/1980US4242699 Recording and reproducing apparatus for color video signals
12/30/1980US4242694 Solid-state color imaging device
12/30/1980CA1092704A1 Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds
12/23/1980US4241363 Comb filter circuit
12/23/1980US4241362 Circuit for increasing a signal slope of a periodically occurring signal mainly near a reference level
12/23/1980US4241361 Tuning voltage display device for a color television receiver with an electronic tuner
12/23/1980CA1092249A1 Switched high voltage power supply system
12/23/1980CA1092236A1 Timing error compensator
12/23/1980CA1092235A1 Transducer system and method
12/16/1980US4240105 Method and apparatus for separation of chrominance and luminance with adaptive comb filtering in a quadrature modulated color television system
12/16/1980US4240104 Measurement of chroma key area in television systems
12/16/1980US4240103 Method for the additive and multiplicative spurious signal compensation
12/16/1980US4240102 Identification system for SECAM or SECAM/PAL color television receivers
12/16/1980US4240073 Cathode ray tube display system with display location memory
12/16/1980CA1091800A1 Convergence device for color television receiver
12/10/1980EP0019735A1 Method and circuit for contrast correction of colour television signals
12/09/1980US4238765 Color television camera adapted for elimination of spurious luminance signal components
12/09/1980CA1091341A1 Automatic gray scale control circuit for a color television receiver
12/02/1980US4237488 Blemish compensating system for a solid state image pick-up device
12/02/1980US4237480 Television camera with pick-up tube mounting means
12/02/1980US4237479 Blanking voltage generator for a cathode ray tube
12/02/1980US4237478 I.C. chroma injection and demodulation system
12/02/1980US4237477 Charge transfer imager
12/02/1980US4237476 Automatic tilt control circuit for television receivers
12/02/1980US4237475 Television camera with test pattern
12/02/1980CA1090916A1 Line sequential colour television system
12/02/1980CA1090632A1 Diffraction grating for the formation of colour components
11/1980
11/25/1980US4236177 Beam splitting prism assembly with bias light source
11/25/1980US4236176 Luminance circuit for color television camera
11/25/1980US4236173 Apparatus for reading a disc-shaped record carrier having a PAL color television signal
11/25/1980CA1090468A1 Magnetic recording and/or reproducing apparatus
11/25/1980CA1090465A1 Video amplifier for combining luminance and chrominance signals
11/25/1980CA1090464A1 Automatic chroma level system
11/18/1980US4234894 Reflecting optical system for projection television
11/18/1980US4234890 Automatic setup system for television cameras
11/18/1980US4234858 Voltage controlled oscillator with phase control circuits
11/18/1980CA1089981A1 Clamping circuit for color television signals
11/18/1980CA1089980A1 Feedback amplifier
11/18/1980CA1089978A1 Television synchronizing apparatus
11/18/1980CA1089977A1 System for processing a composite color television signal obtained from a recording medium
11/18/1980CA1089976A1 Synchronous color conversion system
11/12/1980EP0018659A2 Image pick-up apparatus
11/11/1980US4233628 NTSC receiver useable with Teletext/Viewdata information
11/11/1980US4233627 Signal multiplexing system
11/11/1980US4233624 Combined kinescope grid and cathode video drive system
11/11/1980US4233623 Television display
11/11/1980US4233622 SECAM-PAL Converter
11/11/1980US4233621 Method and apparatus for recording and reproducing a color-aligned line-sequential color video signal
11/11/1980US4233581 Mechanism for static convergence devices for color television picture tubes
11/11/1980US4233547 Color television display device comprising a deflection coil unit provided with a deflection coil for the vertical deflection and deflection coil unit for such a display device
11/11/1980CA1089574A1 System for achieving image uniformity in display devices
11/11/1980CA1089562A1 Television synchronizing apparatus
11/04/1980US4232340 Defect compensation for color television
11/04/1980US4232332 Color television receiver
11/04/1980US4232331 Circuit for stabilizing the black level in an output signal of a camera tube in a color television camera
11/04/1980US4232330 Method and system for separating the chrominance and luminance signals in color television signals having quadrature-modulated chrominance subcarriers
11/04/1980US4232329 Multichannel recording format for a sampled-analog color video signal
11/04/1980CA1089090A1 Vir automatic hue control with preference capability
11/04/1980CA1089036A1 Phase control circuit
11/04/1980CA1089029A1 Clock pulse signal generator having automatic frequency control circuit
10/1980
10/29/1980EP0017692A1 Switchable high-voltage power supply
10/28/1980US4231060 Color-pulling compensation in a beam-index display tube