| 7432677 |
Closed-loop rotational control of a brushless dc motor |
James DuLaney, David R. Street, Nicholas Swezey, Stuart K. Francis |
2008-10-07 |
| 7197410 |
Predicting loss of frequency lock between a motor control circuit and a motor |
David R. Street |
2007-03-27 |
| 7062160 |
Monitoring current in a motor during acceleration to verify motor frequency lock |
David R. Street |
2006-06-13 |
| 7046463 |
Low flying head detection using readback signal amplitude modulation |
Alfredo Gay Sam, Housan Dakroub, Ghassan M. Abdelnour |
2006-05-16 |
| 6876510 |
Detecting head landings on a data zone of a data storage disc |
David R. Street |
2005-04-05 |
| 6768609 |
Reducing position error signal nonlinearity through iterative calibration of a compensation table |
James B. Ray, III |
2004-07-27 |
| 6710567 |
Velocity dependent reference profile for spindle motor acceleration control |
Christopher L. Hill |
2004-03-23 |
| 6664749 |
Spindle motor initialization after a control processor reset condition in a disc drive |
David R. Street |
2003-12-16 |
| 6577088 |
Closed loop spindle motor acceleration control in a disc drive |
David R. Street |
2003-06-10 |
| 6487033 |
Motor speed observer for data protection in a disc drive |
Shawn Alan Wakefield |
2002-11-26 |