Granted Patent
Utility
US 6,198,345 · App. 09/469,192
Error reduction in quadrature polyphase filters with low open loop gain operational amplifiers
Inventor:
Thomas Hornak
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Dec 21, 1999
Inventor
Thomas Hornak
Assignee (at issue)
Agilent Technologies, 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.