Actuator, optical scanner, and image forming device

Details Actuator, optical scanner, and image forming device Actuator, optical scanner, and image forming device

2011-08-02

2011-08-02

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S200700, C359S213100, C310S036000

Reexamination Certificate

active

07990597

ABSTRACT:
An actuator includes: a first oscillatory system including a frame-shaped driving member and a pair of first axial members holding the driving member from both ends so as to allow the driving member to rotate around an X-axis; a second oscillatory system including a movable plate provided inside the driving member and a pair of second axial members holding the movable plate to the driving member from both ends so as to allow the movable plate to rotate around a Y-axis perpendicular to the X axis; and a driving unit including a permanent magnet provided on the driving member, a coil provided so as to face the permanent magnet, a voltage applying unit applying a voltage to the coil, and the permanent magnet has a relief section to avoid making contact with the movable plate.

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