Granted Patent
Utility
US 5,847,602 · App. 08/811,090
Method and apparatus for linearizing an efficient class D/E power amplifier using delta modulation
Inventor:
David Su
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Mar 3, 1997
Inventor
David Su
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.