Electric stepper motors

Details Electric stepper motors Electric stepper motors

1975-09-23

1977-08-23

Duggan, Donovan F.

Electricity: motive power systems

Open-loop stepping motor control systems

310 49R, H02K 3700

Patent

active

040442918

ABSTRACT:
A stepper motor has impedance in series with each drive coil and the value of the impedance is changed during each drive pulse. Two different paths for current to a drive coil may be provided each having a different value of impedance and the current to the drive coil is switched between the two paths during each drive period.

REFERENCES:
patent: 3445741 (1969-05-01), Gerber

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