Granted Patent
Utility
US 4,398,210 · App. 06/275,711
Impulse noise detection circuit for TV signals
Inventors:
Frank C. Liu, Yih-Sien Kao
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Jun 22, 1981
Inventors
Frank C. Liu
Yih-Sien Kao
Assignee (at issue)
RCA Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.