Motor controller, semiconductor integrated circuit,...

Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...

Reexamination Certificate

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Details

C318S145000, C318S459000, C318S248000, C318S363000, C318S368000, C318S696000, C310S049030, C116S289000, C116S291000, C116S201000

Reexamination Certificate

active

07129669

ABSTRACT:
A motor controller comprising, a detector configured to perform a difference processing for information relating to a counter electromotive force and an induced electromotive force generated by a stepping motor, and to generate a driving control signal based on a result of the difference processing, and a driver configured to drive the stepping motor based on the driving control signal.

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