Sewing machine drive motor control system
Sewing machine speed control system having quick response charac
Short circuit protection apparatus
Shunt field control apparatus and method
Single-motor drive for a shaftless spinning rotor and method for
Sonar flasher speed control
Speed and phase control system
Speed and torque control for fractional horsepower motors
Speed control apparatus for a DC motor
Speed control apparatus for d.c. motor
Speed control apparatus for d.c. motor
Speed control apparatus for DC motor
Speed control apparatus for DC motor
Speed control apparatus for direct current motor
Speed control apparatus for electric motor
Speed control apparatus for motor
Speed control circuit
Speed control circuit for a DC motor
Speed control circuit for a series motor
Speed control circuit for an electric motor