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Title:
TWO-DIMENSIONAL OPTICAL SCANNER, AND IMAGE PROJECTION DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2012063656
Kind Code:
A
Abstract:

To provide a two-dimensional optical scanner which does not enlarge the device and is not difficult to be manufactured.

A two-dimensional optical scanner is composed of a movable portion 10 composed of a metallic structure 11 formed with a mirror 11a which can rock about a first axis and a piezoelectric element 12 attached to the structure 11, and scanning light reflected by the mirror 11a about the first axis a; and a rocking drive portion 20 scanning the light reflected by the mirror 11a about a second axis b, by rocking the movable portion 10 about the second axis by the interaction between a current flowing in a plane coil 23 and a magnetic field generated by a magnetic field generating portion 24. A distance between the magnetic field generating portion 24 and the structure 11 is set to be larger than a distance between the magnetic field generating portion 24 and the plane coil 23.


Inventors:
TAKEDA HITOSHI
Application Number:
JP2010208827A
Publication Date:
March 29, 2012
Filing Date:
September 17, 2010
Export Citation:
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Assignee:
BROTHER IND LTD
International Classes:
G02B26/10; H04N1/113
Attorney, Agent or Firm:
Tatsuo Watanuki
Fumio Yamamoto
Yukine Sekine
Kita Shizuo



 
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