Granted Patent
Utility
US 6,795,265 · App. 09/877,675
Closed loop charge mode drive for piezo actuators using a DC restore amplifier
Inventors:
Terence J. Murphy, Keith W. Malang, Larry Hutsell, Doug Martin
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jun 8, 2001
Inventors
Terence J. Murphy
Keith W. Malang
Larry Hutsell
Doug Martin
Assignee (at issue)
Texas Instruments Incorporated
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.