发明授权
US4812727A Stepping motor drive device 失效
步进电机驱动装置

Stepping motor drive device
摘要:
A stepping motor drive device including a comparator for comparing the number of drive steps with a prescribed value and a control circuit for changing the operation of the stepping motor between a 1-2 phase excitation drive mode and a 2-phase excitation drive mode based on the comparison result of the comparator.
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