DC motor speed stabilizing method and apparatus

DC solid state series wound motor drive

Device for controlling moving body participating in photographin

Device for controlling sensorless brushless-DC-motor

Device for controlling the field current of DC motors

Device for correcting a digital estimate of an electric signal

Device for optimizing the speed control behavior of a subfractio

Device for speed stabilization of a motor employing phase compar

Dial speed control for hand-held power tool

Digital adaptive sensorless commutational drive controller...

Digital control for revolving speed of DC motor

Digital motor control system and method

Digital noise reduction for motors

Digital PLL system

Digital servo system using microcomputer for controlling phase a

Direct current adjusting device

Direct current electrical motor system and method of using same

Direct current fan motor speed controller

Direct current motor speed control

Direct current motor speed control apparatus