发明名称 |
PIEZOELECTRIC ACTUATOR AND LENS BARREL |
摘要 |
A piezoelectric actuator includes: a plurality of first piezoelectric elements; a first member that is interposed between opposing faces of the plurality of the first piezoelectric elements and that is driven in a first direction by the plurality of the first piezoelectric elements; a second piezoelectric element that is disposed in the first member; a second member that is disposed in contact with the second piezoelectric element and that is driven in a second direction intersecting the first direction by the second piezoelectric element; and a third member that comes in contact with the second member and that is moved relative to the first member by driving the second member. |
申请公布号 |
US2011317292(A1) |
申请公布日期 |
2011.12.29 |
申请号 |
US201013201058 |
申请日期 |
2010.03.31 |
申请人 |
KUWANO KUNIHIRO;KANAMITSU HIROMOTO;NIKON CORPORATION |
发明人 |
KUWANO KUNIHIRO;KANAMITSU HIROMOTO |
分类号 |
G02B7/04;H02N2/12;H02N2/14 |
主分类号 |
G02B7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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