Semiconductor device control apparatus and method
Separately excited DC motor with boost and de-boost control
Servo circuit for magnetic disk apparatus
Servo control device for a VTR
Sewing machine of a sewing machine by wireless controller
Speed control apparatus for electric motor
Speed control apparatus for motor
Speed control apparatus for movable equipment
Speed control apparatus of motor
Speed control circuit for a DC motor
Speed control circuit of a direct current motor
Speed control device for an electric sewing machine
Speed control device for an electronic sewing machine
Speed control device for d-c motors
Speed control device for DC motor
Speed control device for DC motor
Speed control for brushless DC motors
Speed control for controlling the speed of a DC motor
Speed control mechanism for a power tool
Speed control of a d.c. motor