Mirror driving apparatus, method of driving same and method of manufacturing same
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United States of America Patent
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Nov 4, 2014
Issued Date -
N/A
app pub date -
Sep 10, 2012
filing date -
Sep 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An aspect of the present invention provides a mirror driving apparatus, including: a mirror section having a reflecting surface which reflects light; a pair of piezoelectric actuator sections arranged on either side of the mirror section; coupling sections which respectively connect one end of each of the piezoelectric actuator sections to an end portion of the mirror section which is distant from an axis of rotation of the mirror section in a direction along the reflecting surface and perpendicular to the axis of rotation; a fixing section which supports another end of each of the piezoelectric actuator sections; and a perpendicular movement suppressing structure which suppresses translational motion of the axis of rotation of the mirror section in a direction perpendicular to the reflecting surface, one end of the perpendicular movement suppressing structure being connected to the fixing section and another end thereof being connected to the mirror section.
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