Granted Patent
Utility
US 6,195,437 · App. 08/941,580
Method and apparatus for independent gain control of a microphone and speaker for a speakerphone mode and a non-speakerphone audio mode of a computer system
Inventors:
Mitchell A. Markow, Jeremy Ford, Ji-An Gong
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Sep 30, 1997
Inventors
Mitchell A. Markow
Jeremy Ford
Ji-An Gong
Assignee (at issue)
Compaq Computer 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.