Semiconductor device control apparatus and method
Separately excited DC motor with boost and de-boost control
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 apparatus of motor
Speed control circuit for a DC motor
Speed control device for an electric sewing machine
Speed control device for d-c motors
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
Speed control system for repulsion motor
Speed control unit for direct current electric motor with intrin
Speed controller
Speed controller of motor
Speed controller or an instrument having a speed controller incl