Optical scanner
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United States of America Patent
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Oct 15, 2013
Grant Date -
Jul 28, 2011
app pub date -
Sep 24, 2009
filing date -
Sep 25, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical scanner capable of preventing breakage of a shaft section due to stress concentration is provided. A mirror frame 13 is shaped so as to enclose a mirror 11, and holds the mirror 11, via torsion bars 121 and 122, so as to be vibratable. A unimorph 15 is constituted by four unimorphs 151, 152, 153, and 154 formed on upper left, lower left, upper right, and lower right sides, and holds the mirror frame 13, via a shaft section 14, so as to be vibratable. The shaft section 14 has a connection section 144. On the mirror frame 13, an adjustment member 16 for increasing a moment of inertia m1 of the mirror frame 13 is provided.
First Claim
Family
International Classification(s)
Cited Art Landscape
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