Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 9 - Details of colour television systems
Patents for H04N 9 - Details of colour television systems (80,494)
10/1980
10/28/1980US4231009 Deflection yoke with a magnet for reducing sensitivity of convergence to yoke position
10/28/1980US4230408 System for overall color correction of color picture information contained in a projecting multi-color light beam
10/28/1980CA1088675A1 Convergence means for color cathode ray tube
10/21/1980US4229797 Method and system for whole picture image processing
10/21/1980US4229759 Signal detector including sample and hold circuit with reduced offset error
10/21/1980US4229072 Color display system using magneto-optic screen having a dispersive Faraday coefficient
10/21/1980CA1088204A1 Video signal recording and/or reproducing apparatus
10/21/1980CA1088200A1 Precise control of television picture size and position
10/21/1980CA1088199A1 Contrast correction arrangements
10/21/1980CA1088198A1 Video traveling matte system
10/21/1980CA1088197A1 Color video signal recording and/or reproducing apparatus
10/16/1980WO1980002217A1 Power supply circuit
10/14/1980US4228460 Method and apparatus for compensation of time base errors
10/14/1980US4228458 Optical color-separation system for use in a color television camera
10/14/1980US4228457 Constant luminance tint reference
10/14/1980US4228456 Burst gating signal generating circuit
10/14/1980CA1087728A1 Video recording apparatus
10/14/1980CA1087726A1 Still color television signal recording and reproducing apparatus
10/07/1980US4227208 Optical comb filter
10/07/1980US4227207 CRT film scanner with compensation for local brightness variations of scanning beam
10/07/1980US4227206 Solid state television camera
10/07/1980US4227205 Hue and saturation control circuitry requiring single coupling capacitor
10/07/1980US4227122 Convergence device for projection type color television system
10/07/1980CA1087298A1 Burst gate pulse generator
10/07/1980CA1087297A1 Chroma-burst separator and amplifier
10/07/1980CA1087296A1 Color t.v. receiving apparatus with saturation level correction by vir
10/07/1980CA1087294A1 Color encoding camera utilizing comb filtering for color signal separation
10/07/1980CA1087293A1 Negative color film mask correction
09/1980
09/30/1980US4225880 Energy-efficient beam-index displays with programmable power supplies
09/30/1980CA1086856A1 Digital scanning television video screen
09/30/1980CA1086854A1 Apparatus for processing the output voltage of a detection circuit
09/23/1980US4224640 CRT Beam current control apparatus
09/23/1980US4224638 Frequency multiplier for use with CCD comb filter
09/23/1980CA1086422A1 Video time base corrector
09/17/1980EP0015711A1 Colour image sensing
09/16/1980US4223350 Diascope for a television camera
09/16/1980US4223344 Beam index color cathode ray tube
09/16/1980US4223343 Arrangements for modifying signals indicative of anamorphic images
09/16/1980US4223342 Circuit for improving the frequency characteristic of a color television signal
09/16/1980US4223341 Circuitry providing a delayed color television signal having luminance and chrominance components derived from adjacent lines
09/16/1980US4223340 Image detail improvement in a vertical detail enhancement system
09/16/1980US4223339 Video image vertical detail restoration and enhancement
09/16/1980US4223338 Color television receiver and VTR system
09/16/1980US4223285 Elastic surface wave filter
09/16/1980US4223282 Method of reducing interference components in a frequency modulated signal and device for carrying out said method
09/16/1980US4223253 Focusing system for color TV camera
09/16/1980US4223252 Color switching display system
09/16/1980US4222641 Image or picture projecting system using electronically controlled slides
09/16/1980CA1085938A1 Voltage controlled oscillator
09/09/1980US4221992 Scanning area rotation device for an image pickup tube
09/09/1980CA1085502A1 Laser-elimination of mode beating
09/02/1980US4220977 Signal transmission circuit
09/02/1980US4220965 Modification of T.V. image performed using ram storing the image content
09/02/1980US4220964 Secam recording and reproducing system
09/02/1980US4220897 Method of manufacturing a color display tube and color display tube manufactured according to said method
09/02/1980CA1085047A1 Color demodulation apparatus
09/02/1980CA1085043A1 Still color television signal recording and reproducing apparatus
09/02/1980CA1085042A1 System for stabilizing cathode ray tube operation
08/1980
08/26/1980US4219849 Television receiver having a controllable sound suppression filter
08/26/1980US4219843 Projection type color television system
08/26/1980US4219842 Video signal combiner having a common phase response and independent amplitude response
08/26/1980US4219841 White balance control circuit
08/26/1980US4219840 Color corrector
08/26/1980US4219839 Amplitude comparator with a differential amplifier
08/26/1980US4219838 Horizontal blanking corrector for television signals
08/20/1980EP0014665A1 Method and system for picture overlay in colour television
08/19/1980US4218710 Digital video effect system comprising only one memory of a conventional capacity
08/19/1980US4218700 Luminance/chrominance separating apparatus having a spatial filtering effect
08/19/1980US4218699 Black level control system for a color television camera
08/19/1980US4218698 TV Graphics and mixing control
08/19/1980US4218696 Video signal compensation system
08/19/1980US4218638 Push-pull amplifier
08/19/1980CA1084154A1 Compensating time-base errors in a reproduced video signal
08/12/1980US4217605 Comb filter employing a charge transfer device with plural mutually proportioned signal charge inputs
08/12/1980US4217603 Method and apparatus for processing color television signals
08/12/1980CA1083709A1 Signal defect compensator
08/12/1980CA1083708A1 Automatic chrominance gain control system
08/06/1980EP0014027A1 Burst insertion apparatus for a SECAM-PAL transcoder in a television receiver
08/05/1980US4216496 Apparatus for detecting and measuring interference in transmission signals
08/05/1980US4216494 Television camera with bias light
08/05/1980US4216493 Chrominance signal processing circuit in color television receiver
08/05/1980US4216492 Method of treating television picture signals and wide-band data signals by modulating the color carrier signal
08/05/1980US4216392 Circuit for producing a periodic parabolic signal
07/1980
07/29/1980US4215368 Memory addressing system for automatic setup TV camera system
07/29/1980US4215364 Color television signal generating apparatus
07/29/1980US4215363 Gated, variable-gain amplifier
07/29/1980US4215362 Track selection method and apparatus
07/29/1980CA1082800A1 Color television receiving apparatus
07/23/1980EP0013610A1 A continuous motion telecine apparatus and method
07/23/1980EP0013597A1 Signal switching apparatus
07/23/1980EP0013596A1 Luminance delay control apparatus in PAL/SECAM television receiver
07/22/1980US4214268 Method and apparatus for video recording a film scan signal
07/22/1980US4214264 Hybrid color image sensing array
07/22/1980US4214262 Digital apparatus for correcting a time-base error in a television video signal
07/22/1980US4214261 Synchronizing apparatus for remote television apparatus
07/22/1980US4214259 Color video tape recorder/reproducer with chrome corrector
07/22/1980US4214258 Portable television camera and tape recorder combination
07/22/1980US4214221 Convergence assembly for cathode ray tube
07/22/1980CA1082353A1 Solid state color imaging apparatus
07/22/1980CA1082109A1 Method for digital color correction in color picture recording systems
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