Patents for H04N 9 - Details of colour television systems (80,494) |
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05/08/1990 | US4924356 Illumination system for a display device |
05/08/1990 | US4924318 Lattice elimination assembly for a television wall |
05/08/1990 | US4924316 Solid color pickup apparatus |
05/08/1990 | US4924315 Video signal processing system |
05/08/1990 | US4924313 Still picture signal processing apparatus having high resolution image pickup device with 4-to-1 interlace |
05/03/1990 | WO1990004906A1 Adaptive pal or nstc comb filter |
05/02/1990 | EP0366402A2 Digital audio signal recording/reproducing method and apparatus for carrying out the same |
05/02/1990 | EP0366245A2 Color display system and tube having an electron gun with dual electrode modulation |
05/02/1990 | EP0260311B1 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment |
05/02/1990 | CN1041856A Apparatus for combining and separating constituent components of video signal |
05/02/1990 | CN1041828A Image projection arrangement |
05/01/1990 | US4922334 Color filter arrangement for an image pickup device having complementary color elements which overlap at boundaries between picture elements |
05/01/1990 | US4922333 Video copying apparatus spectrally-responsive to slides or negatives |
05/01/1990 | US4922331 Color video signal reproducing apparatus having trap circuit and comb-filter for filtering a chrominance signal band of a wide band luminance signal |
05/01/1990 | US4922330 Method and apparatus for automatically adjusting white balance |
05/01/1990 | US4922329 Apparatus for coding a digital component video signal |
05/01/1990 | US4922158 Polychromatic CRT with crystalline semiconductor screen |
05/01/1990 | CA1268540A2 Digital television receiver with digital video processing circuit |
05/01/1990 | CA1268539A2 Digital television receiver with digital video processing circuit |
05/01/1990 | CA1268538A1 Nonvolatile memory system for digital television receiver |
05/01/1990 | CA1268516A1 Three picture tube device for projecting a television image onto a screen |
04/30/1990 | CA2001868A1 Frame sequential colour display system |
04/25/1990 | EP0365000A1 CCD image sensor with vertical overflow drain |
04/25/1990 | EP0364967A2 Luminance/chrominance signal separation circuit for pal color television signal |
04/25/1990 | EP0364455A1 An improved method of colorizing black and white footage |
04/24/1990 | US4920425 Video signal recording and reproducing apparatus |
04/24/1990 | US4920410 Drive method for synchronizing scanning and modulation of flat-configuration color CRT |
04/24/1990 | US4920409 Matrix type color liquid crystal display device |
04/24/1990 | US4920408 Circuit for separating composite color television signal into luminance signal and chrominance signal |
04/24/1990 | US4919518 Multi-screen projector |
04/24/1990 | CA1268065A1 Fresnel lens for projection screens |
04/19/1990 | WO1990004311A1 Apparatus for combining and separating components of a video signal |
04/19/1990 | WO1990004305A1 A method and an apparatus for preventing unauthorised recording on tapes of video programmes |
04/19/1990 | DE3934762A1 CRT brightness control circuit - uses combined parabolic signals obtained from horizontal and vertical deflection signals |
04/18/1990 | EP0364230A2 A colour video signal processing apparatus |
04/18/1990 | EP0364225A1 Color signal processing apparatus |
04/18/1990 | EP0364047A1 Method for preventing unauthorized recording on tapes of video programmes |
04/18/1990 | EP0364043A1 Image projecton device |
04/18/1990 | EP0364039A1 Color television projection system, color recombination system and color selection system for use in such a projection system |
04/18/1990 | EP0363969A2 Color image reading apparatus |
04/18/1990 | EP0363965A1 Method of recording fine color video signal on optical recording media and method of reproducing thus recorded fine color video signal |
04/18/1990 | EP0363767A1 Colour image projection apparatus having liquid crystal light valves designed for reduced crosstalk between picture elements |
04/18/1990 | EP0363407A1 Projector. |
04/18/1990 | CN1041500A High-definition television system |
04/18/1990 | CN1041495A Sampled data phase locking system |
04/17/1990 | US4918539 Frequency multiplexing circuit in optical video disc recorder |
04/17/1990 | US4918528 Contour correction device |
04/17/1990 | US4918523 Digital video formatting and transmission system and method |
04/17/1990 | US4918519 Color image sensing apparatus having color balance adjustment |
04/17/1990 | US4918515 Compatible television transmission system with separate preemphasis path within single channel |
04/12/1990 | DE3933706A1 Verfahren und vorrichtung zum neukalibrieren der farbsalven eines farbfernseh-videosignals Method and device for recalibrate the color salvos of a color television video signal |
04/11/1990 | EP0363206A2 A method of and an apparatus for projecting a scanned two- or threedimensional modulated light pattern originating from a light source |
04/11/1990 | EP0362844A2 Crosstalk cancelling circuit for removing crosstalk component from reproduced signal |
04/11/1990 | EP0362776A2 Projection type active matrix liquid crystal display device |
04/11/1990 | EP0362747A2 Circuitry for comb filtering PAL and NTSC video signals |
04/11/1990 | EP0362537A1 Method for compensating the earth-magnetic field in a picture tube |
04/11/1990 | CA2000423A1 Method and apparatus for preventing unauthorized recording on tapes of video programmes |
04/10/1990 | US4916553 Video signal recording and reproducing method and apparatus |
04/10/1990 | US4916548 Video tape recorder for recording/reproducing two-channel component color video signals |
04/10/1990 | US4916531 Color video processing circuitry |
04/10/1990 | US4916529 Imaging device utilizing solid-state image sensors combined with a beam-splitting prism |
04/10/1990 | US4916528 Color stripe filter in color image pickup apparatus |
04/10/1990 | US4916527 Luminance signal/color signal separation circuit |
04/10/1990 | US4916526 Bandwidth control for chrominance and luminance paths in quadrature modulated color television system |
04/10/1990 | EP0353286A4 Method and apparatus for producing a color image. |
04/10/1990 | CA1267684A1 Beam-index type color cathode ray tube device |
04/06/1990 | CA2000318A1 Method of and an apparatus for projecting a scanned two- or three-dimensional modulated light pattern originating from a light source |
04/05/1990 | WO1990003704A1 Slow motion video signal generation |
04/05/1990 | DE3833692A1 Comb filter for separating luminance signal and chrominance signal of a composite PAL colour signal |
04/04/1990 | EP0361947A2 Synchronous sampling system |
04/04/1990 | EP0361938A2 Solid-state image sensing device |
04/04/1990 | EP0361819A2 An apparatus for processing a colour video signal |
04/04/1990 | EP0361804A2 Apparatus for recording and/or reproducing information signals |
04/04/1990 | EP0361747A2 A sampled data phase locking system |
04/04/1990 | EP0361564A2 High-definition television signal transmission and reception with time and frequency multiplexing |
04/04/1990 | EP0361563A2 High-definition television channel with time and frequency multiplexing |
04/04/1990 | EP0361559A2 Image projection arrangement |
04/04/1990 | CN1041043A Image projection arrangement |
04/03/1990 | US4914746 Electronic digital still camera for separately storing component video signals in memory |
04/03/1990 | US4914738 Apparatus for discriminating light source having spectrum peaks |
04/03/1990 | US4914694 Modifying a television signal to inhibit recording/reproduction |
04/03/1990 | US4914661 Method and apparatus for correcting errors in digital signals having phase fluctuations |
04/03/1990 | US4914527 Recording and reproducing digital video and audio signals together with a time code signal which is within user control words of the audio data |
04/03/1990 | US4914523 Optical disk apparatus compatible with different television system standards |
04/03/1990 | US4914522 Reproduction and enlarging imaging system and method using a pulse-width modulated air stream |
04/03/1990 | US4914520 Video transfer method using time-spaced interleaved fields |
04/03/1990 | US4914515 Method of transmitting update information for a stationary video picture |
04/03/1990 | US4914511 Projection color TV using CRTs having interference filters with different number of layers |
04/03/1990 | US4914510 Method for improving the white field uniformity of a projection color TV using CRTs having interference filters, projection color TV and CRTs resulting from the method |
04/03/1990 | US4914509 Color video signal synthesizer |
04/03/1990 | US4914350 Picture display device with interference suppression means |
04/03/1990 | US4913529 Illumination system for an LCD display system |
03/29/1990 | DE3831306A1 Demagnetisation circuit |
03/28/1990 | EP0360719A1 Method and apparatuses for recording on a magnetic tape and playback of D2-MAC/packet signals |
03/28/1990 | EP0360615A2 Embedment of data in a video signal |
03/28/1990 | EP0360557A2 Keying of colour video signals |
03/28/1990 | EP0360520A1 Digital video effects apparatus |
03/28/1990 | EP0360413A2 Slow motion video signal generation |
03/28/1990 | EP0360380A2 Separating components of composite digital video signals |
03/28/1990 | EP0360339A2 Circuitry for preparing a synchronizing signal |