Granted Patent
Utility
US 5,057,698 · App. 07/437,640
Shunt circuit for reducing audible noise at low loading conditions of a power supply employing a high frequency resonant converter
Inventors:
Steven R. Widener, George W. Oughton, Jr.
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Nov 13, 1989
Inventors
Steven R. Widener
George W. Oughton, Jr.
Assignee (at issue)
Exide Electronics 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.