| Patent | Date |
|---|
Disk drive measuring stroke difference between heads by detecting a difference between ramp contact
Grant 9,355,666 - Huang , et al. May 31, 2 | 2016-05-31 |
Electronic system with media scan mechanism and method of operation thereof
Grant 9,349,401 - Babinski , et al. May 24, 2 | 2016-05-24 |
Data storage device demodulating servo burst by computing slope of intermediate integration points
Grant 9,286,927 - Tang , et al. March 15, 2 | 2016-03-15 |
Electronic system with actuator control mechanism and method of operation thereof
Grant 9,142,225 - Chen , et al. September 22, 2 | 2015-09-22 |
Disk drive characterizing microactuator by injecting sinusoidal disturbance and evaluating feed-forward compensation values
Grant 9,142,235 - Babinski , et al. September 22, 2 | 2015-09-22 |
Data storage device detecting fly height instability of head during load operation based on microactuator response
Grant 9,076,473 - Liu , et al. July 7, 2 | 2015-07-07 |
Disk drive toggling VCM inductor compensation to reduce acoustic noise
Grant 8,988,811 - Ding , et al. March 24, 2 | 2015-03-24 |
Disk drive detecting microactuator degradation by evaluating frequency component of servo signal
Grant 8,929,022 - Huang , et al. January 6, 2 | 2015-01-06 |
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 |
Adaptive track follow control
Grant 8,896,955 - Chen , et al. November 25, 2 | 2014-11-25 |
Disk drive predicting spindle motor failure by evaluating current draw relative to temperature
Grant 8,804,267 - Huang , et al. August 12, 2 | 2014-08-12 |
Polarity detection of piezoelectric actuator in disk drive
Grant 8,797,664 - Guo , et al. August 5, 2 | 2014-08-05 |
Disk drive increasing integrator output range to complete seek operation
Grant 8,767,343 - Helmick , et al. July 1, 2 | 2014-07-01 |
Disk drive detecting track squeeze when circular tracks are defined from non-circular servo tracks
Grant 8,743,495 - Chen , et al. June 3, 2 | 2014-06-03 |
Disk Drive Predicting Spindle Motor Failure By Evaluating Current Draw Relative To Temperature
App 20140126081 - HUANG; YANAN ; et al. | 2014-05-08 |
Disk drive adjusting noise spectrum to reduce resonance excitation of shock detector
Grant 8,717,696 - Ryan , et al. May 6, 2 | 2014-05-06 |
Disk drive performing lifetime logging of microactuator sensitivity
Grant 8,605,384 - Liu , et al. December 10, 2 | 2013-12-10 |
Disk drive correcting track ID in response to an estimated radial location and a burst PES
Grant 8,553,351 - Narayana , et al. October 8, 2 | 2013-10-08 |
Disk drive upsampling servo control signal
Grant 8,542,455 - Huang , et al. September 24, 2 | 2013-09-24 |
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 Upsampling Servo Control Signal
App 20130120873 - HUANG; YANAN ; et al. | 2013-05-16 |
Adaptive data writing mode based on drive environment
Grant 8,315,006 - Chahwan , et al. November 20, 2 | 2012-11-20 |
Adaptive shock detection
Grant 8,179,626 - Ryan , et al. May 15, 2 | 2012-05-15 |
Disk drive computing data center off-track from repeatable runout of write servo track and read servo track
Grant 7,961,422 - Chen , et al. June 14, 2 | 2011-06-14 |
Disk drive calibrating VCM notch filter by increasing the width and/or the depth of the notch
Grant 7,864,482 - Babinski , et al. January 4, 2 | 2011-01-04 |
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 disk surface having track addresses of varying width
Grant 7,688,538 - Chen , et al. March 30, 2 | 2010-03-30 |
Head switch operation for a disk drive
Grant 7,679,854 - Narayana , et al. March 16, 2 | 2010-03-16 |
Disk drive initializing a coil temperature estimation algorithm using a resistance of the coil estimated during a load operation
Grant 7,660,067 - Ji , et al. February 9, 2 | 2010-02-09 |
Disk drive servo control techniques to preserve PES continuity
Grant 7,616,399 - Chen , et al. November 10, 2 | 2009-11-10 |
Disk drive servo control techniques for predicting an off-track condition utilizing an estimation filter
Grant 7,558,016 - Le , et al. July 7, 2 | 2009-07-07 |
Method and system for controlling laser diodes in optical communications systems
App 20050249508 - Volz, Leroy ; et al. | 2005-11-10 |
Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise
Grant 5,760,992 - Phan , et al. June 2, 1 | 1998-06-02 |
Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise
Grant 5,751,513 - Phan , et al. May 12, 1 | 1998-05-12 |
Method for carring out seeks in a hard disc drive to limit the generation of acoustic noise
Grant 5,726,825 - Phan , et al. March 10, 1 | 1998-03-10 |
Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit
Grant 5,696,647 - Phan , et al. December 9, 1 | 1997-12-09 |
Fast calibration using microsteps
Grant 5,473,550 - Cameron , et al. December 5, 1 | 1995-12-05 |
Method and apparatus for adaptive control
Grant 5,369,345 - Phan , et al. November 29, 1 | 1994-11-29 |
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