Actuator, optical scanner, and image forming device

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

2011-02-22

2011-02-22

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S198100, C359S200700, C310S036000

Reexamination Certificate

active

07894113

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, and a voltage applying unit applying a voltage to the coil.

REFERENCES:
patent: 6765706 (2004-07-01), Tokuda et al.
patent: 6924915 (2005-08-01), Hirose et al.
patent: 2002/0130561 (2002-09-01), Temesvary et al.
patent: 08-322227 (1996-12-01), None

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