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VIBRATION DEVICE

  • US 20180131346A1
  • Filed: 01/09/2018
  • Published: 05/10/2018
  • Est. Priority Date: 01/29/2016
  • Status: Active Grant
First Claim
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1. A vibration device comprising:

  • a first elastic plate that includes first and second ends and a first planar section disposed between the first and second ends;

    a second elastic plate coupled to the second end of the first elastic plate and that includes a second planar section opposing the first planar section of the first elastic plate, the second elastic plate having a flexural rigidity higher than a flexural rigidity of the first elastic plate;

    a piezoelectric vibrating element disposed on a surface on at least a portion of the first planar section of the first elastic plate and facing the second elastic plate; and

    a weight coupled to the first end of the first elastic plate.

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