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Class Information
Number: 386/10
Name: Television signal processing for dynamic recording or reproducing > Processing of color television signal for dynamic recording or reproducing > Signal amplitude level control > Including color burst or reference signal
Description: Subject matter where the amplitude of a color burst component signal is controlled, or a reference signal is monitored for controlling the amplitude of the color television signal.

Sub-classes under this class:

Class Number Class Name Patents
386/11 Color killer 19

Patents under this class:

Patent Number Title Of Patent Date Issued
7712288 Unified ingestion package and process for patient compliance with prescribed medication regimen May. 11, 2010
7489338 Automatic color-sync polarity control Feb. 10, 2009
7466897 Indicator device for receiver apparatus with data memory Dec. 16, 2008
7184097 On-screen display apparatus Feb. 27, 2007
6404974 Method and apparatus for treating a video signal Jun. 11, 2002
6219485 Method and apparatus for automatically adjusting the amplitude of a color burst signal Apr. 17, 2001
6172713 Color television system determination circuit Jan. 9, 2001
5761370 Dual-deck videocassette recorder Jun. 2, 1998
5655047 Video signal frequency modulator having automatic control function and controlling method therefor Aug. 5, 1997
5596418 Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal Jan. 21, 1997
5412482 Signal line changeover circuit with emitter followers May. 2, 1995
5260843 Magnetic recording and reproducing apparatus with individual correction of amplitude variations of recording currents supplied to plural rotary magnetic heads Nov. 9, 1993
5225913 Magnetic recorder and regenerator Jul. 6, 1993
5214718 Scan-in polygonal extraction of video images May. 25, 1993
5194964 Apparatus for processing color or black and white video signals Mar. 16, 1993
5097345 Magnetic video recording apparatus Mar. 17, 1992
5029012 Magnetic recorder and regenerator Jul. 2, 1991
4754323 Color image pickup device in which the level of a sequential color-difference signal is controlled on the basis of the level of the luminance signal Jun. 28, 1988
4723175 Video signal reproducing apparatus for reproducing recorded video signal from a magnetic recording medium Feb. 2, 1988
4713700 A recording circuit having means to automatically set the recording current of a magnetic recording head Dec. 15, 1987
4700239 Differential gain and differential phase compensator circuit of a video signal Oct. 13, 1987
4691247 Video signal recording/reproducing apparatus Sep. 1, 1987
4673970 Chrominance signal processing system Jun. 16, 1987
4656527 Magnetic recording and playback apparatus Apr. 7, 1987
4628345 Circuit for analog digital conversion of a color television signal employing variable signal amplification Dec. 9, 1986
4612585 Chrominance signal recording and reproducing apparatus Sep. 16, 1986
4573075 Digital signal coring apparatus with controllable coring threshold level Feb. 25, 1986
4549225 Color video signal processing circuit for performing level control and time axis deviation compensation Oct. 22, 1985
4533961 Magnetic recording apparatus with level adjusting means for mixed luminance, chrominance, audio and pilot signals Aug. 6, 1985
4524380 Chroma signal recording and reproducing circuit Jun. 18, 1985
4485396 Automatic chroma filter Nov. 27, 1984
4466022 Color video signal reproducing apparatus which transforms the recorded signal of one signal format into signals of another format upon reproduction Aug. 14, 1984
4459613 Method and apparatus for automatic adjustment with pilot signal of television image processing system Jul. 10, 1984
4445142 Method and apparatus for frequency characteristic compensation of television signals reproduced from a tape record with reference to position of synchronizing signals on the tape Apr. 24, 1984
4417284 Gain control circuit for a video tape recorder wherein the chrominance is gain controlled in response to the luminance signal as well as the chrominance signal Nov. 22, 1983
4400742 Magnetic recording and reproducing apparatus for color video signals Aug. 23, 1983
4396953 Color video signal dubbing system for collating the outputs of signal sources Aug. 2, 1983
4393412 Automatic chroma level control circuit for compensating both slow and rapid chroma level changes Jul. 12, 1983
4384302 Composite video signal limiter May. 17, 1983
4370679 Gain correction system for videodisc player apparatus Jan. 25, 1983
4356506 Automatic chrominance control circuit for a color video tape recorder Oct. 26, 1982
4335393 Method and system using sequentially encoded color and luminance processing of video type signals to improve picture quality Jun. 15, 1982
4292648 Color corrector for a composite color video signal Sep. 29, 1981
4223338 Color television receiver and VTR system Sep. 16, 1980
4068257 Color video signal recording and/or reproducing system Jan. 10, 1978
4007485 Color video signal reproducing apparatus Feb. 8, 1977
3949414 Gain control device of video signal reproducing apparatus Apr. 6, 1976

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