Granted Patent
Utility
US 4,607,174 · App. 06/460,712
Voltage detection circuit using threshold as reference voltage for detecting input voltage
Inventors:
Masashi Shoji, Haruo Niki
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jan 24, 1983
Inventors
Masashi Shoji
Haruo Niki
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.