Granted Patent
Utility
US 6,324,030 · App. 08/938,267
Digital pes demodulation for a disk drive servo control system using synchronous digital sampling
Inventors:
Wayne Leung Cheung, Thinh Huu Nguyen, Chorng-Kuang Wang
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Sep 26, 1997
Inventors
Wayne Leung Cheung
Thinh Huu Nguyen
Chorng-Kuang Wang
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.