Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730614 | Suppression of seek repeatable runout | Josiah Natan Wernow, Raye A. Sosseh | 2014-05-20 |
| 8040631 | Servo processors that alternately control head positioning relative to sequential servo patterns | — | 2011-10-18 |
| 6768610 | Microactuator servo system in a disc drive | John C. Morris | 2004-07-27 |
| 6574068 | Servo control using continuous position error signal with high order polynomial component | Donald B. Douglas, Clyde Everett Goodner, III | 2003-06-03 |
| 6389384 | Servo processor code evaluation using a virtual disc drive | Patiwat Kamonpet | 2002-05-14 |
| 6198591 | Multi-task operating system for a disc drive | — | 2001-03-06 |
| 6115205 | Method for adapting seeks of a disc drive transducer to the maximum actuator current available to accelerate and decelerate the transducer | David C. Waugh | 2000-09-05 |
| 6091567 | Modeling position error nonlinearity to improve servo performance | Evert S. Cooper | 2000-07-18 |
| 6046879 | Weighted linearization of a position error signal in a disc drive | — | 2000-04-04 |
| 6046878 | Object positioning using discrete sliding mode control with variable parameters | Zhiqiang Liu, Otis L. Funches | 2000-04-04 |
| 5835302 | Compensating for variations in torque capability of voice coil motors | Otis L. Funches, Vladimir Kovner | 1998-11-10 |
| 5835300 | Dynamic compensation of servo burst measurement offsets in a disc drive | Robert Dale Murphy, Lealon R. McKenzie | 1998-11-10 |
| 5777816 | Data track following method for disc drives | Philip R. Woods | 1998-07-07 |
| 5774297 | Dynamic compensation of servo burst measurement offsets in a disc drive | Lealon R. McKenzie, Philip R. Woods, Clyde Everett Goodner, III | 1998-06-30 |
| 5654841 | Detection of mechanical defects in a disc drive using injected test signals | Daniel Eugene Hobson, Wayne Lawrence Felts | 1997-08-05 |
| 5475545 | Method for reducing noise during seeks in a hard disk drive | Lealon R. McKenzie, Otis L. Funches | 1995-12-12 |
| 5329409 | Correction of current feedback offset for disc drive servo systems | — | 1994-07-12 |
| 5305160 | Compensating for variations in torque capability of voice coil motors | Otis L. Funches, Vladimir Kovner | 1994-04-19 |
| 5305447 | Multi-task operating system for a disc drive | — | 1994-04-19 |