Granted Patent
Utility
US 6,535,611 · App. 09/232,776
Method and apparatus for reducing switching noise of a digital volume control
Inventor:
Jimmy Lau
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jan 15, 1999
Inventor
Jimmy Lau
Assignee (at issue)
Oak 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.