Granted Patent
Utility
US 6,580,322 · App. 10/057,790
Dynamic switching frequency control for a digital switching amplifier
Inventors:
Guoqing Miao, Cary L. Delano
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jan 24, 2002
Inventors
Guoqing Miao
Cary L. Delano
Assignee (at issue)
Tripath Technology, Inc.
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.