Granted Patent
Utility
US 5,801,896 · App. 08/869,378
Method and apparatus for servo pulse detection with high AC coupling and large pulse asymmetry
Inventor:
David A. Freitas
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jun 5, 1997
Inventor
David A. Freitas
Assignee (at issue)
International Business Machines 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.