Issued Patents All Time
Showing 151–166 of 166 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7019937 | Method and apparatus for determining a transducer's reference position in a disk drive having a disk surface with spiral servo information written thereon | John VanLaanen, Steve Ward | 2006-03-28 |
| 6987628 | Method and apparatus for high fly write detection using stored amplitude values | Jerry Moline, Julian Lewkowicz | 2006-01-17 |
| 6985316 | Method and apparatus for performing seek operations in a disk drive having a disk surface with spiral servo information written thereon | John VanLaanen, Bill Ray | 2006-01-10 |
| 6977792 | Method and apparatus for runout correction by proper positioning of servo data while self-servo writing | Thomas O. Melrose, James W. Hargarten | 2005-12-20 |
| 6882489 | Dynamic off-track detector | Don Brunnett, John C. Purkett | 2005-04-19 |
| 6678102 | High fly write detection method | Julian Lewkowicz, Larry J. Koudele | 2004-01-13 |
| 6606216 | Transducer head with separate data and servo read elements | Moris Dovek, John C. Purkett | 2003-08-12 |
| 6600636 | Magnetic head with write element offset from read element | Terry Schemmel, Jenny Himle | 2003-07-29 |
| 6433950 | Disk drive with radially dispersed servo bursts | — | 2002-08-13 |
| 6292324 | Disk drive with compensation values calculated using a non-causal impulse response | Hai T. Ho, Toan Q. Doan | 2001-09-18 |
| 6256160 | Programmable, variable data track pitch | Lance R. Carlson | 2001-07-03 |
| 6157511 | Disk drive with variable-phase servo burst patterns | — | 2000-12-05 |
| 6115203 | Efficient drive-level estimation of written-in servo position error | Hai T. Ho, Toan Q. Doan | 2000-09-05 |
| 6043952 | Method of positioning a head in a disk drive using groups of servo bursts | — | 2000-03-28 |
| 6005740 | Method and apparatus for developing position error curves for magneto-resistive heads | — | 1999-12-21 |
| 5923492 | Variable-phase servo burst pattern used to minimize shield-related side readings | — | 1999-07-13 |