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VIBRATION DEVICE

  • US 20170028441A1
  • Filed: 10/14/2016
  • Published: 02/02/2017
  • Est. Priority Date: 04/24/2014
  • Status: Active Grant
First Claim
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1. A vibration device comprising:

  • an elastic plate including a first elastic plate section having a leading end portion, a second elastic plate section opposed and spaced from the first elastic plate section, and a joining section connecting the first elastic plate section and the second elastic plate section;

    a piezoelectric vibration element on the first elastic plate section and between the first elastic plate section and the second elastic plate section;

    a circuit that drives the piezoelectric vibration element on the second elastic plate section and between the first elastic plate section and the second elastic plate section;

    a mass addition member attached to the leading end portion of the first elastic plate section; and

    a package accommodating the elastic plate.

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