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Title:
IMAGING OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/044223
Kind Code:
A1
Abstract:
An imaging optical device configured such that shaking can be appropriately corrected by smoothly rocking a lens drive device on which a lens and an imaging element are mounted.  An imaging optical device (1) comprises: a movable module (12) having a lens drive device (2) on which a lens and an imaging element are mounted; a support body (5) for supporting the movable module (12); a rocking drive mechanism for rocking the movable module (12); and a plate spring (17) for rockably supporting the movable module (12).  The plate spring (17) is provided with a holding section (17a) for holding the movable module (12), a fixed section (17b) fixed to the support body (5), and a spring section (17c) for connecting the holding section (17a) and the fixed section (17b) to each other.  The spring section (17c) can deform in the direction perpendicular to the optical axis (L) and in the direction of the optical axis.

Inventors:
MINAMISAWA SHINJI (JP)
KARASAWA TOSHIYUKI (JP)
TAKEI YUICHI (JP)
TAKEDA TADASHI (JP)
NAGATA AKIHIRO (JP)
ISHIHARA HISAHIRO (JP)
MIYAZAKI KIYOSHI (JP)
YANAGISAWA KATSUSHIGE (JP)
Application Number:
PCT/JP2009/005239
Publication Date:
April 22, 2010
Filing Date:
October 08, 2009
Export Citation:
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Assignee:
NIDEC SANKYO CORP (JP)
MINAMISAWA SHINJI (JP)
KARASAWA TOSHIYUKI (JP)
TAKEI YUICHI (JP)
TAKEDA TADASHI (JP)
NAGATA AKIHIRO (JP)
ISHIHARA HISAHIRO (JP)
MIYAZAKI KIYOSHI (JP)
YANAGISAWA KATSUSHIGE (JP)
International Classes:
G03B5/00; F16F1/26
Foreign References:
JP2008058391A2008-03-13
JP2002228903A2002-08-14
JP2002357773A2002-12-13
JP2008122842A2008-05-29
JP2008170864A2008-07-24
JP2007139965A2007-06-07
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