| Patents for H04N 9 - Details of colour television systems (80,494) |
|---|
| 03/21/1991 | WO1991003903A1 A digital circuit for creating area dependent video special effects |
| 03/21/1991 | DE3930260A1 Videorecorder fuer ein fernsehsignal mit einem nicam-tontraeger Video recorder for a television signal with a nicam sound carrier |
| 03/20/1991 | EP0418180A1 Method for recording and reproducing television signals with a high definition |
| 03/20/1991 | EP0418084A2 Laser beam deflection apparatus |
| 03/20/1991 | EP0417609A2 Apparatus for recording and reproducing a plurality of television signals of different systems |
| 03/20/1991 | EP0417328A1 Clock generator |
| 03/19/1991 | US5001663 Programmable digital circuit for performing a matrix multiplication |
| 03/19/1991 | US5001559 Transform coding using coefficient prediction techniques |
| 03/19/1991 | US5001553 Luminance signal/color signal separation circuit |
| 03/19/1991 | US5001552 White balance correction using prestored flash lamp color temperature data |
| 03/19/1991 | CA1281813C Method and apparatus for separating and individually correcting repetitive and random velocity errors |
| 03/19/1991 | CA1281812C Method and apparatus for determining and controlling the sampling phase in sampling the burst signal of a color television signal |
| 03/14/1991 | DE3930257A1 Time-compressed SECAM TV system - has colour carrier divided by ratio equal to time compression factor |
| 03/13/1991 | EP0416876A2 Solid state imaging apparatus |
| 03/13/1991 | EP0416720A2 Ambient light rejecting quad photodiode sensor |
| 03/13/1991 | EP0416367A2 SECAM color signal processing device |
| 03/13/1991 | CN1049928A 数字信号处理系统 Digital signal processing system |
| 03/12/1991 | US4999732 Degaussing circuit for CRT |
| 03/12/1991 | US4999717 Image reading apparatus |
| 03/12/1991 | US4999710 Television signal receiving apparatus |
| 03/12/1991 | US4999703 Automatic image correction method and apparatus for projectors utilizing cathode ray tubes |
| 03/12/1991 | US4999702 Method and apparatus for processing component signals to preserve high frequency intensity information |
| 03/12/1991 | US4999619 Electro-optic display device for use in the reflection mode |
| 03/12/1991 | US4998800 Optical low pass filter |
| 03/12/1991 | CA1281362C Compensation loops in cathode ray tubes for reducing the magnetic field strength in the tube environment |
| 03/12/1991 | CA1281361C Beam-index type color cathode ray tube devices |
| 03/08/1991 | WO1991003909A1 Multiple hdtv format digital signal converter |
| 03/08/1991 | CA2066413A1 Multiple hdtv format digital signal converter |
| 03/07/1991 | WO1991003130A1 Convergence control system |
| 03/07/1991 | WO1991003129A1 Scanning-pattern correction circuit for a television set |
| 03/07/1991 | WO1991003122A1 Improvements relating to video signal processing |
| 03/07/1991 | WO1991003003A1 An active matrix reflective projection system |
| 03/07/1991 | WO1991002998A1 Reflective image plane module |
| 03/06/1991 | EP0415798A2 Image processing apparatus |
| 03/06/1991 | EP0415756A2 Electronic still camera |
| 03/06/1991 | EP0415707A2 Circuit for producing a composite video signal |
| 03/06/1991 | EP0415399A2 Luminance/chrominance separation circuit |
| 03/06/1991 | EP0415396A2 Liquid crystal color projection display apparatus |
| 03/06/1991 | EP0415350A2 Color-signal enhancing circuit |
| 03/06/1991 | EP0415100A2 Calibration system and method for color image scanning |
| 03/06/1991 | EP0415088A1 Color monitor |
| 03/06/1991 | EP0415086A2 Chrominance displacement generation device |
| 03/06/1991 | EP0415017A2 Noise reduction circuit in recording medium player |
| 03/06/1991 | EP0414993A2 Video signal recording method |
| 03/06/1991 | EP0414830A1 Adaptive pal or nstc comb filter |
| 03/06/1991 | CN1049767A Control signal generator for television system |
| 03/06/1991 | CN1049764A Convergence control system for multiple vertical formats |
| 03/05/1991 | US4998287 Determination of sequential positions of video fields derived from film |
| 03/05/1991 | US4998172 Secondary beat signal cancel circuit |
| 03/05/1991 | US4998167 High resolution translation of images |
| 03/05/1991 | US4998164 Swing-driven solid-state color image sensor |
| 03/05/1991 | US4998162 Video camera |
| 02/28/1991 | DE4026674A1 Diverter yoke for a colour picture tube - uses sec. diverter formed of multiple coils oriented towards the tube axis and circuitry to control barrel and diagonal distortion |
| 02/28/1991 | DE3927677A1 Schaltung zur rasterkorrektur in einem fernsehgeraet Circuit for raster correction in a television |
| 02/28/1991 | CA2013086A1 Video signal recording method |
| 02/27/1991 | EP0414556A2 Compensating circuit for compensating distortion of video signal by detecting distortion of ramp signal in video signal |
| 02/27/1991 | EP0414327A2 Maintaining video signals |
| 02/27/1991 | EP0414313A1 Rear projection screen and rear projection system comprising such a screen |
| 02/27/1991 | EP0414250A2 Video signal reproducing apparatus |
| 02/27/1991 | EP0414158A2 Control signal generator for a television system |
| 02/27/1991 | EP0414109A2 Apparatus for reducing lag in photosensors |
| 02/27/1991 | EP0413898A2 Horizontal and vertical transition level enhancement in a television system |
| 02/26/1991 | US4996679 Subcode information and block identification system for a disc player |
| 02/26/1991 | US4996461 Closed loop bucking field system |
| 02/26/1991 | US4996417 Color filter device |
| 02/26/1991 | US4995719 Method of and an apparatus for projecting a scanned two- or three-dimensional modulated light pattern originating from a light source |
| 02/26/1991 | US4995718 Full color three-dimensional projection display |
| 02/26/1991 | US4995702 Projection-type display device |
| 02/26/1991 | CA1280832C Focus block for a three-tube color video projector |
| 02/24/1991 | WO1991003131A2 Convergence control system for multiple vertical formats |
| 02/21/1991 | WO1991002430A1 Digital signal processing system |
| 02/21/1991 | WO1991002429A1 Optically writing projection-type display |
| 02/21/1991 | DE4025629A1 Deflection yoke for TV CRT image adjustment - has two protective resistors between fixed contacts of variable resistor and feed driving coil terminal |
| 02/21/1991 | DE3927123A1 Video image display on split video wall - stores common original or source image for several monitor screens or video projectors |
| 02/20/1991 | EP0413557A2 Image processing apparatus |
| 02/20/1991 | EP0413185A2 Video Tape Recorder |
| 02/20/1991 | EP0413107A2 Video picture processing apparatus |
| 02/20/1991 | EP0413017A1 Process and device for compressing data designed for the compatible decoding of a group of television signals with an increasing degree of resolution. |
| 02/20/1991 | CN1011751B Method of transmitting update information for a stationary video picture |
| 02/20/1991 | CN1011750B Method of demagnetization for colour cathode ray tubes |
| 02/19/1991 | US4995026 Apparatus and method for encoding audio and lighting control data on the same optical disc |
| 02/19/1991 | US4994925 Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus |
| 02/19/1991 | US4994924 Reproducing processor allowing selective inhibition of dropout compensation and video signal correction processing |
| 02/19/1991 | US4994923 Video signal recording and reproducing apparatus with signal processing circuit for improvement of picture quality |
| 02/19/1991 | US4994922 Image storage and retrieval apparatus |
| 02/19/1991 | US4994906 Digital luminance/chrominance separation apparatus |
| 02/19/1991 | US4994900 Television receiver |
| 02/16/1991 | WO1991003132A1 Image reversing unit |
| 02/14/1991 | DE4024228A1 Automatic changeover circuit decoding PAL M PAL N and NTSC - uses brightness and vertical sync. signals to detect TV system received |
| 02/13/1991 | EP0412909A2 Test apparatus for an optical recording disc |
| 02/13/1991 | EP0412790A2 Adaptive comb filters and methods of separating video signal components |
| 02/12/1991 | USRE33535 Audio to video timing equalizer method and apparatus |
| 02/12/1991 | US4992891 Magnetic tape |
| 02/12/1991 | US4992885 Method of recording and reproducing audio information in correlation with divided screen graphics information |
| 02/12/1991 | US4992862 Color conversion display apparatus and method |
| 02/12/1991 | US4992860 Color scanning system |
| 02/12/1991 | US4992858 Laser beam scanning apparatus |
| 02/12/1991 | US4992857 System for distributing and recovering digitized composite SECAM samples in a two channel digital apparatus |
| 02/12/1991 | US4992856 Color television decoder for separating chrominance signals from a color signal |
| 02/12/1991 | US4992855 Image pickup apparatus with white balance control based on ambient light flicker |