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    • 23. 发明授权
    • Vibration wave driving device
    • 振动波驱动装置
    • US5917269A
    • 1999-06-29
    • US898494
    • 1997-07-22
    • Yutaka MaruyamaKoji Kitani
    • Yutaka MaruyamaKoji Kitani
    • H02N2/00H01L41/09
    • H02N2/163H02N2/007
    • A long-life vibration wave motor which abrades little and can be driven for long time periods. causes a vibration member to form a vibration wave and thereby moves the vibration member and a contact member in tight contact with the vibration member relative to each other by a frictional force. The vibration wave motor includes a sliding material made from hard particles and a soft metal softer than the hard particles and having a sliding surface obtained by projecting the hard particles by 0.2 to 2 .mu.m from the surface of the soft metal used in one of two contact portions of the vibration member and the contact member.
    • 长寿命的振动波电机,磨损少,可长时间驱动。 使振动部件形成振动波,从而通过摩擦力使振动部件和与振动部件紧密接触的接触部件移动。 振动波马达包括由硬颗粒制成的滑动材料和比硬颗粒更软的软金属,并且具有通过将硬颗粒从两个中的一个中使用的软金属的表面突出0.2至2μm而获得的滑动表面 所述振动部件和所述接触部件的接触部。
    • 29. 发明申请
    • VIBRATING BODY OF VIBRATORY DRIVE UNIT AND VIBRATORY DRIVE UNIT
    • 振动驱动单元和振动驱动单元的振动体
    • US20120153774A1
    • 2012-06-21
    • US13325719
    • 2011-12-14
    • Yutaka Maruyama
    • Yutaka Maruyama
    • H02N2/04
    • H02N2/0015H02N2/004H02N2/026H02N2/163
    • Provided is a vibrating body for a vibratory drive unit, including: a piezoelectric element including a piezoelectric layer and an electrode layer; and a plate-shaped elastic member bonded to the piezoelectric element, wherein the vibrating body drives a body to be driven, which is in contact with the plate-shaped elastic member, by a vibration generated in the plate-shaped elastic member through an application of a drive voltage to the piezoelectric element, and the plate-shaped elastic member has a front surface and a back surface each provided with one or a plurality of the piezoelectric elements to generate at least two different vibration modes through the application of the drive voltage to the one or the plurality of the piezoelectric elements.
    • 提供一种用于振动驱动单元的振动体,包括:压电元件,包括压电层和电极层; 以及接合到所述压电元件的板状弹性构件,其中所述振动体通过应用中的所述板状弹性构件中产生的振动来驱动与所述板状弹性构件接触的被驱动体, 对压电元件施加驱动电压,并且板状弹性部件具有各自设置有一个或多个压电元件的前表面和后表面,以通过施加驱动电压来产生至少两种不同的振动模式 到一个或多个压电元件。