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Data storage device sorting access commands based on current or target location of heads Grant 11,295,781 - Liu , et al. April 5, 2 | 2022-04-05 |
Data storage device seeking multiple actuators to improve performance Grant 11,257,517 - Liu , et al. February 22, 2 | 2022-02-22 |
Calibrating elevator actuator for disk drive Grant 11,043,243 - Liu , et al. June 22, 2 | 2021-06-22 |
Calibrating Elevator Actuator For Disk Drive App 20200381016 - Liu; Kexiu ;   et al. | 2020-12-03 |
Calibrating Elevator Actuator For Disk Drive App 20200372931 - Tu; Kuang-Yang ;   et al. | 2020-11-26 |
Calibrating elevator actuator for disk drive Grant 10,839,838 - Tu , et al. November 17, 2 | 2020-11-17 |
Calibrating elevator actuator for disk drive Grant 10,783,912 - Tu , et al. Sept | 2020-09-22 |
Calibrating elevator actuator for disk drive Grant 10,622,012 - Tu , et al. | 2020-04-14 |
Data storage device on-line adapting disturbance observer filter Grant 9,269,386 - Xi , et al. February 23, 2 | 2016-02-23 |
Disk drive optimizing filters based on sensor signal and disturbance signal for adaptive feed-forward compensation Grant 9,058,827 - Tu , et al. June 16, 2 | 2015-06-16 |
Data storage device comprising slew rate anti-windup compensation for microactuator Grant 9,007,714 - Zheng , et al. April 14, 2 | 2015-04-14 |
Disk drive selecting disturbance signal for feed-forward compensation Grant 8,953,278 - Zhou , et al. February 10, 2 | 2015-02-10 |
Disk drive filtering disturbance signal and error signal for adaptive feed-forward compensation Grant 08922938 - | 2014-12-30 |
Disk drive filtering disturbance signal and error signal for adaptive feed-forward compensation Grant 8,922,938 - Chen , et al. December 30, 2 | 2014-12-30 |
Disk drive selecting disturbance signal for feed-forward compensation Grant 8,737,013 - Zhou , et al. May 27, 2 | 2014-05-27 |
Methods for closed-loop compensation of ultra-high frequency disturbances in hard disk drives and hard disk drives utilizing same Grant 8,630,059 - Chen , et al. January 14, 2 | 2014-01-14 |
Disk Drive Selecting Disturbance Signal For Feed-forward Compensation App 20130120870 - ZHOU; JIANGUO ;   et al. | 2013-05-16 |
Disk drive employing iterative learning control for tuning seek servo loop Grant 7,626,782 - Yu , et al. December 1, 2 | 2009-12-01 |
Disk drive writing wedge RRO data along a sinusoidal path to compensate for reader/writer offset Grant 7,583,470 - Chen , et al. September 1, 2 | 2009-09-01 |
Method for wedge time shift calibration in a disk drive Grant 7,339,761 - Tu , et al. March 4, 2 | 2008-03-04 |
Disk drive having hybrid spindle speed control and related method Grant 7,289,288 - Tu October 30, 2 | 2007-10-30 |
Disk drive adjusting seek profile for variable seek times to reduce power dissipation Grant 7,199,966 - Tu , et al. April 3, 2 | 2007-04-03 |
Disk drive to implement a seek operation utilizing a deceleration velocity profile that mathematically models BEMFs Grant 7,110,214 - Tu , et al. September 19, 2 | 2006-09-19 |
Disk drive disabling BEMF detection window to reduce acoustic noise while using wedge spindle speed control Grant 6,954,324 - Tu , et al. October 11, 2 | 2005-10-11 |
Disk drive employing BEMF spindle speed control or wedge spindle speed control Grant 6,914,740 - Tu , et al. July 5, 2 | 2005-07-05 |