specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors

Full Title

Arrangements for controlling dynamo-electric motors rotating step by step > specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors

Classification Context

Section:

ELECTRICITY

Class:

GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER

Subclass:

CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS