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Class Information
Number: 348/535
Name: Television > Synchronization > Sync separation > Noise reduction > Noise inversion
Description: Subject matter including apparatus for inverting the polarity of noise components associated with the synchronizing signal components and algebraically adding such inverted noise components to the synchronizing signal components to reduce the effects of noise on the utilization of the synchronizing signal components.


Patents under this class:

Patent Number Title Of Patent Date Issued
5189515 Television synchronization signal separator Feb. 23, 1993
4377823 Noise processing system for a television receiver Mar. 22, 1983
4254436 Noise cancellation circuit Mar. 3, 1981
4212032 Synchronization and gain control circuit Jul. 8, 1980
4204219 Noise cancellation circuit May. 20, 1980
4042959 Noise suppression circuit Aug. 16, 1977



 
 
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