Granted Patent
Utility
US 4,540,953 · App. 06/470,131
Gain control circuit for obtaining a constant output signal amplitude by attenuating an input signal amplitude
Inventors:
Hisashi Togari, Shinji Miyata
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Feb 28, 1983
Inventors
Hisashi Togari
Shinji Miyata
Assignee (at issue)
NIPPON ELECTRIC CO., LTD.
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.