Granted Patent
Utility
US 6,584,422 · App. 09/864,514
Method and apparatus for optimizing corner frequency calibration of a tunable filter using a programmable diode
Inventors:
Jaydip Bhaumik, Raymond A. Richetta
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 24, 2001
Inventors
Jaydip Bhaumik
Raymond A. Richetta
Assignee (at issue)
Hitachi Global Storage Technologies Netherlands B.V.
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.