Masaki Yamashita

System and Method to Determine Mechanical Resonance of an Accelerometer

Low-Power Pulse-Width-Modulated Retract of Disk Drive Actuator

Programmable Constant Voltage Retract of Disk Drive Actuator

HDD with VCM back EMF and voltage control circuitry

MOTOR CONTROL DEVICE AND DISK DRIVE DEVICE

ADAPTIVE INDUCTOR PEAK CURRENT CONTROL OF A SWITCHING REGULATOR FOR MECHANICAL NOISE REDUCTION

Low Power Disk-Drive Motor Driver

Reaction control charge pump, capacitor, and transistor to power lead

Disk-Drive Read/Write Head Retraction Velocity Control

Wave torque retract of disk drive actuator