Granted Patent
Utility
US 4,270,077 · App. 06/129,133
Demodulatorless synchro position sensor apparatus utilizing square wave excitation
Inventors:
Harold L. Swartz, Joseph M. Buemi, Jr.
Patented Case
View Patent ↗
Granted: May 26, 1981
Filed: Mar 10, 1980
Inventors
Harold L. Swartz
Joseph M. Buemi, Jr.
Assignee (at issue)
Sperry Corp.
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.