Reduction of electric motor surge current by non-linear limiting
Rod antenna control system for automobiles
Rotation control apparatus employing a comb filter and phase err
Rotation detection or speed pickup device for miniature d-c moto
Rotation drive device
Rotation drive device
Rotational speed control device for an electric motor
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