Granted Patent
Utility
US 5,757,625 · App. 08/722,652
Switched mode power supply with transformer and feedback via primary winding
Inventor:
Franciscus A. C. M. Schoofs
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Sep 30, 1996
Inventor
Franciscus A. C. M. Schoofs
Assignee (at issue)
U.S. Philips 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.