Pickup driving device for disk player

Precision electric motor speed

Procedure for filtering the speed feedback signal

Programmable dual-phase digital motor control with sliding propo

Pulse width modulated control method and means

Pulse width modulation control sytem for a motor

Pulse-width modulation motor speed control circuit

Radio controlled model control system with nonlinear trigger-to-

Rod antenna control system for automobiles

Rotation drive device

Rotation drive device

Rotational speed control device for an electric motor

Semiconductor device control apparatus and method

Servo circuit for magnetic disk apparatus

Sewing machine of a sewing machine by wireless controller

Speed control apparatus for electric motor

Speed control apparatus for movable equipment

Speed control circuit for a DC motor

Speed control device for an electric sewing machine

Speed control device for d-c motors