Speed controlling device for rolling mills
Speed regulating devices for rotary machines or the like
Speed regulation of D.C. motor using counter
Speed responsive motor control circuit
Speed selection control for vehicle mounted electric accessory m
Speed selection for a direct current permanent magnet motor
Speed sensitive field weakening control for traction motors
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