Driving apparatus for stepping motor capable of restraining moto

Details Driving apparatus for stepping motor capable of restraining moto Driving apparatus for stepping motor capable of restraining moto

1991-06-27

1993-07-27

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

052313433

ABSTRACT:
A driving apparatus for a stepping motor has first and second coils. The direction of the current flowing through each of the coils can be changed. A PWM-controlled stepping relay pulse generator is provided for imparting exciting current to the coils, and controls the duty factor of each stepping relay pulse at the rising and falling thereof.

REFERENCES:
patent: 4463301 (1984-07-01), Moriguchi et al.
patent: 4683409 (1987-07-01), Boillat

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