Speed sensitive field weakening control for traction motors
Speed-and-phase control circuit for a rotary machine
Spindle drive control system
Spindle motor control method and disk unit
Spindle motor control system
Spindle motor stop control device
Static convertor
Stepping motor drive device and method
Switching motor control system
Synchronism discriminating circuit
Synchronous capstan drive system
Synchronous drive control system for dc motor
System and method for conditioning a signal
System for conditioning air, method of operating such, and circu
System for controlling motor speed
System for controlling the rotation of a DC motor
System for controlling the speed of a magnetic tape transport mo
System for controlling the speed of an electric motor
System for driving a direct-current motor in synchronism with an
System for driving a motor