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    • 4. 发明专利
    • Piezoelectric actuator, lens barrel, and camera
    • 压电致动器,透镜条和相机
    • JP2010263748A
    • 2010-11-18
    • JP2009114615
    • 2009-05-11
    • Nikon Corp株式会社ニコン
    • KUWANO KUNIHIRO
    • H02N2/00G02B7/04
    • H02N2/101G02B7/08H02N2/021
    • PROBLEM TO BE SOLVED: To provide a piezoelectric actuator which is less susceptible to friction and wear. SOLUTION: The piezoelectric actuator (10) includes a protrusion (13) which protrudes from the first surface (11A) of a base member (11) toward a moving member (12) and can support the moving member (12), a first piezoelectric element (23) provided along a member different from the protrusion (13) and can elongate/contract in the direction intersecting the first surface (11A), and a second piezoelectric element (24) provided along a member different from the protrusion (13) and can elongate/contract in the direction different from the intersecting direction. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供不易摩擦和磨损的压电致动器。 解决方案:压电致动器(10)包括从基部构件(11)的第一表面(11A)向移动构件(12)突出并且可以支撑移动构件(12)的突起(13) 沿着与所述突起(13)不同的构件设置并且可以沿与所述第一表面(11A)相交的方向伸长/收缩的第一压电元件(23)和沿着与所述突起(11)不同的构件设置的第二压电元件(24) (13),并且可以在与交叉方向不同的方向上伸长/收缩。 版权所有(C)2011,JPO&INPIT