Motor drive device, image reading device, image forming...

Details Motor drive device, image reading device, image forming... Motor drive device, image reading device, image forming...

2011-05-24

2011-05-24

Benson, Walter (Department: 2837)

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

C318S696000

Reexamination Certificate

active

07948200

ABSTRACT:
A motor drive device drives a stepping motor having a rotor mounted on a rotating shaft with a capability of making a transition between a plurality of excitation modes. A motor control unit drives the stepping motor by controlling the rotor to move to a position corresponding to an excitation modes. A stop control unit controls, when stopping the stepping motor, a stop of the rotor at a position to which the rotor is moved by the motor control unit common to the excitation modes after the stop of the rotor is issued.

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