Solid state motor starter

Solid state motor starting control

Solid state overload relay circuit

Solid state overload relay transformer circuit

Solid state switch protected three phase motor reversing...

Solid state voltage regulated automotive-type electrical...

Solid-state sensing and control transit car door system

Sparkless circuit for low hp electronic motor brake

Specimen processing and analyzing systems with variable...

Speed and mode control for a blender or the like

Speed and phase control system

Speed and torque control for fractional horsepower motors...

Speed control apparatus

Speed control circuit for ac motor

Speed control circuit for an electric motor

Speed control circuit for phase-locked loop motor drive systems

Speed control device for dc motors

Speed control device with independent speed control and...

Speed control for a d-c motor

Speed control for d.c. motors