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