Spindle orientation control apparatus
Spindle position/speed control unit
Spindle positioning method
Stabilisation system
Stepper motor feedback in position servo loop
Surface metrological apparatus
Synchronous switching means for operating cable marking apparatu
System and method for stabilizing disk drive rotation control
System for alleviating fatigue in a seat
System for arranging the operations and connections between a co
System for driving a movable stage
Tape drive with high performance gain amplifier using radio freq
Time base control system for a spindle servo
Velocity-position servo with improved gain control
Wafer stage with magnetic bearings
Zero-point return method