Inventor

PHAN DUC T

US36 patents

⚠️ This page may combine multiple inventors who share the name “PHAN DUC T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHAN DUC T

WESTERN DIGITAL TECH INC

Disk drive computing data center off-track from repeatable runout of write servo track and read servo track

Disk drive comprising a disk surface having track addresses of varying width

Disk drive servo control techniques to preserve PES continuity

Disk drive adjusting noise spectrum to reduce resonance excitation of shock detector

Disk drive calibrating VCM notch filter by increasing the width and/or the depth of the notch

Disk drive employing data-based basis function expansion for tuning seek servo loop

Disk drive initializing a coil temperature estimation algorithm using a resistance of the coil estimated during a load operation

Polarity detection of piezoelectric actuator in disk drive

Disk drive predicting spindle motor failure by evaluating current draw relative to temperature

Disk drive performing lifetime logging of microactuator sensitivity

Head switch operation for a disk drive

Disk drive servo control techniques for predicting an off-track condition utilizing an estimation filter

Electronic system with actuator control mechanism and method of operation thereof

Data storage device detecting fly height instability of head during load operation based on microactuator response

Disk drive measuring stroke difference between heads by detecting a difference between ramp contact

Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality

Disk drive detecting microactuator degradation by evaluating frequency component of servo signal

Data storage device demodulating servo burst by computing slope of intermediate integration points

Electronic system with media scan mechanism and method of operation thereof

SEAGATE TECHNOLOGY

Method and apparatus for adaptive control

Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise

Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise

Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit

Fast calibration using microsteps

Fast calibration using microsteps

CHEN MIN

Disk drive detecting track squeeze when circular tracks are defined from non-circular servo tracks

Adaptive track follow control

BABINSKI ALEXANDER

Disk drive employing system inversion for tuning seek to settle servo loop

Disk drive characterizing microactuator by injecting sinusoidal disturbance and evaluating feed-forward compensation values

CHAHWAN ALAIN

Adaptive data writing mode based on drive environment

RYAN ROBERT P

Adaptive shock detection

HELMICK DANIEL L

Disk drive increasing integrator output range to complete seek operation

NARAYANA ASWARTHA

Disk drive correcting track ID in response to an estimated radial location and a burst PES

HUANG YANAN

Disk drive upsampling servo control signal

(unassigned)

Method for carring out seeks in a hard disc drive to limit the generation of acoustic noise

DING JIANGHONG

Disk drive toggling VCM inductor compensation to reduce acoustic noise