Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684650 | Digital servo control system for use in disk drives | Thomas J. Frederick, Paul H. Kelley, Philip Saxton Weilbacher | 1997-11-04 |
| 5680272 | Digital servo control system for use in disk drives | Thomas J. Frederick | 1997-10-21 |
| 5677809 | Digital servo control system for use in disk drives, having state space observer including integral compensator | — | 1997-10-14 |
| 5675450 | Digital servo control system for use in disk drives using driver saturation model | — | 1997-10-07 |
| 5646797 | Digital servo control system for use in disk drives | Thomas J. Frederick, Paul H. Kelley, Philip Saxton Weilbacher | 1997-07-08 |
| 5638230 | Digital servo control system for use in disk drives | — | 1997-06-10 |
| 5602689 | Digital servo control system for use in disk drives, including sample integrity tester for reducing effects of spurious sampled position values | Paul H. Kelley, Philip Saxton Weilbacher | 1997-02-11 |