Patent | Date |
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Data storage device generating an operating seek time profile as a function of a base seek time profile Grant 9,418,689 - Lou , et al. August 16, 2 | 2016-08-16 |
Data storage device saving absolute position at each servo wedge for previous write operations Grant 9,355,667 - Santee , et al. May 31, 2 | 2016-05-31 |
Data Storage Device Generating An Operating Seek Time Profile As A Function Of A Base Seek Time Profile App 20160104504 - LOU; MINGJI ;   et al. | 2016-04-14 |
Data storage device delaying seek operation to avoid thermal asperities Grant 9,251,823 - Liu , et al. February 2, 2 | 2016-02-02 |
Data storage device dynamically reducing coast velocity during seek to reduce power consumption Grant 9,208,815 - Lou , et al. December 8, 2 | 2015-12-08 |
Data storage device adjusting seek profile based on seek length when ending track is near ramp Grant 9,165,583 - Beker October 20, 2 | 2015-10-20 |
Disk drive employing model-based feed-forward compensation during seek settling Grant 9,142,234 - Lou , et al. September 22, 2 | 2015-09-22 |
Disk drive servo control using hybrid upsample filter Grant 9,099,133 - Tang , et al. August 4, 2 | 2015-08-04 |
Disk drive minimizing initial seek distance after load operation Grant 8,995,081 - Narayana , et al. March 31, 2 | 2015-03-31 |
Reducing acoustic noise in a disk drive when exiting idle mode Grant 8,995,082 - Lou , et al. March 31, 2 | 2015-03-31 |
Data storage device re-qualifying state estimator while decelerating head Grant 8,958,169 - Huang , et al. February 17, 2 | 2015-02-17 |
Disk drive employing feed-forward compensation and phase shift compensation during seek settling Grant 8,937,784 - Liu , et al. January 20, 2 | 2015-01-20 |
Disk drive evaluating multiple vibration sensor outputs to enable write-protection Grant 08922937 - | 2014-12-30 |
Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality Grant 08922931 - | 2014-12-30 |
Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality Grant 8,922,931 - Ji , et al. December 30, 2 | 2014-12-30 |
Disk drive evaluating multiple vibration sensor outputs to enable write-protection Grant 8,922,937 - Chahwan , et al. December 30, 2 | 2014-12-30 |
Data storage device reducing seek power consumption Grant 8,902,539 - Liu , et al. December 2, 2 | 2014-12-02 |
Disk Drive Minimizing Initial Seek Distance After Load Operation App 20140320999 - NARAYANA; ASWARTHA ;   et al. | 2014-10-30 |
Disk drive decreasing an adapting delay based on speed that a settle parameter adapts Grant 8,842,385 - Lou , et al. September 23, 2 | 2014-09-23 |
Disk drive accounting for sinusoidal offset between heads when executing a rotational position optimization algorithm Grant 8,824,262 - Liu , et al. September 2, 2 | 2014-09-02 |
Disk drive executing jerk seeks to rotate pivot ball bearings relative to races Grant 8,780,479 - Helmick , et al. July 15, 2 | 2014-07-15 |
Changing the performance level of a disk drive Grant 8,773,787 - Beker July 8, 2 | 2014-07-08 |
Reducing acoustic noise in a disk drive when exiting idle mode Grant 8,760,796 - Lou , et al. June 24, 2 | 2014-06-24 |
Disk drive decreasing a settle delay based on speed that a settle parameter adapts Grant 8,564,899 - Lou , et al. October 22, 2 | 2013-10-22 |
Disk drive employing system inversion for tuning seek to settle servo loop Grant 8,508,881 - Babinski , et al. August 13, 2 | 2013-08-13 |
Disk drive choosing command from command queue based on a window defined by a probability of a seek miss Grant 8,498,074 - Mobley , et al. July 30, 2 | 2013-07-30 |
Disk Drive Decreasing A Settle Delay Based On Speed That A Settle Parameter Adapts App 20130038962 - LOU; MINGJI ;   et al. | 2013-02-14 |
Disk drive employing data-based basis function expansion for tuning seek servo loop Grant 7,839,600 - Babinski , et al. November 23, 2 | 2010-11-23 |
Disk drive comprising a servo accelerator implementing state space equations for a plurality of task objects Grant 7,697,233 - Bennett , et al. April 13, 2 | 2010-04-13 |
Controlling seeks using non-linear switching curves Grant 7,580,219 - Derosa , et al. August 25, 2 | 2009-08-25 |
Off track write protection using filtered position error signal Grant 7,342,737 - DeRosa , et al. March 11, 2 | 2008-03-11 |
Controlling seeks using non-linear switching curves App 20070253099 - Derosa; Jeffrey V. ;   et al. | 2007-11-01 |
Off track write protection using filtered position error signal App 20070188911 - DeRosa; Jeffrey V. ;   et al. | 2007-08-16 |
Method and apparatus for reducing off-track writes in data storage devices Grant 7,224,543 - Abrishamchian , et al. May 29, 2 | 2007-05-29 |
Disk drive that compensates for track radial pitch variation and methods thereof App 20070097806 - Beker; Orhan ;   et al. | 2007-05-03 |