Disk drive employing commutation phase modulation and...

Disk drive employing wedge spindle speed control with...

Disk drive estimating angular position of spindle motor...

Disk drive having improved head-velocity control, and method the

Disk drive management

Disk drive management

Disk drive servo arm retract and spindle brake circuit

Disk drive system

Disk playback apparatus and stepping-motor control apparatus

Displacement actuation and sensing for an electrostatic drive

Displacement amount detecting device

Displacement control system for a vehicle axle

Displacement control system for a vehicle axle

Displacement sensing method and motor control apparatus

Displacement sensors for servo-control actuators

Display apparatus with DC gear motor drive control

Display processing apparatus

Distribution control apparatus

Disturbance attenuation in a precision servomechanism by a...

Disturbance compensation control system