Granted Patent
Utility
US 5,404,388 · App. 08/025,565
Digital measurement of amplitude and phase of a sinusoidal signal and detection of load coil based on said measurement
Inventor:
Jai Hong Eu
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Mar 3, 1993
Inventor
Jai Hong Eu
Assignee (at issue)
Nortel Networks Limited
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.