Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9621988 | Disc drive speaker vibration mitigation | Evgeny Kharisov, Zai Yu Nang, Qiang Bi, Seow Zhao Li, Raye A. Sosseh | 2017-04-11 |
| 7936532 | Selectively inhibiting transducer output responsive to detected jerk | Steve M. Gaub, Sandeep D. Sequeira, Matthew McLeod Chadsey | 2011-05-03 |
| 6643080 | Resonance identification by commanding a spindle speed change | Clyde Everett Goodner, III, Roy L. Wood | 2003-11-04 |
| 6570733 | Adaptive servo gain adjustment to improve disc drive seek performance | David C. Waugh | 2003-05-27 |
| 6538837 | Method of aligning servo wedges in a disc drive | Brian W. Sudman, Michael Baum, Dennis D. Duffy | 2003-03-25 |
| 6421199 | Method and apparatus for minimizing once per revolution positional errors in a disc drive | Robert Dale Murphy | 2002-07-16 |
| 6414814 | Method and apparatus for minimizing once per revolution positional errors in single disc servo track writing | Robert Dale Murphy | 2002-07-02 |
| 6318176 | Rotational inductive accelerometer | Ryan T. Ratliff, Nigel F. Misso | 2001-11-20 |
| 6304406 | Rotational vibration compensation using a fixed head and a constant frequency pattern | D Brent Douglas, Nathaniel B. Wilson, Stuart K. Francis, Arthur J. Clark | 2001-10-16 |
| 6285522 | Rotational vibration compensation using a dedicated surface with a constant frequency pattern | D. Brent Douglas, Nathaniel B. Wilson, Stuart K. Francis | 2001-09-04 |
| 6222336 | Rotational vibration detection using spindle motor velocity sense coils | D. Brent Douglas | 2001-04-24 |
| 6169382 | Adapting seek velocity profile to destination track location | Roy L. Wood | 2001-01-02 |
| 6088185 | Rotational vibration detection using a velocity sense coil | Ryan T. Ratliff, Roy L. Wood, Otis L. Funches | 2000-07-11 |
| 5835300 | Dynamic compensation of servo burst measurement offsets in a disc drive | Robert Dale Murphy, Randall D. Hampshire | 1998-11-10 |
| 5774297 | Dynamic compensation of servo burst measurement offsets in a disc drive | Randall D. Hampshire, Philip R. Woods, Clyde Everett Goodner, III | 1998-06-30 |
| 5760990 | Servo position error signal calibration in a hard disc drive | Anish A. Ukani, Daniel Eugene Hobson | 1998-06-02 |
| 5657179 | Method for reducing noise during track seeking in a disc drive | — | 1997-08-12 |
| 5475545 | Method for reducing noise during seeks in a hard disk drive | Randall D. Hampshire, Otis L. Funches | 1995-12-12 |
| 5424885 | Method for following data tracks in a disc drive using an improved thermal calibration method | John Edward Moon, Paul M. Quinnett | 1995-06-13 |
| 5262907 | Hard disc drive with improved servo system | Dennis D. Duffy, Fereidoon Heydari, Philip R. Woods | 1993-11-16 |