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Piezoelectric vibrator and acceleration sensor using the same

  • US 5,652,385 A
  • Filed: 08/30/1995
  • Issued: 07/29/1997
  • Est. Priority Date: 03/01/1993
  • Status: Expired due to Term
First Claim
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1. An acceleration sensor comprising:

  • a plurality of plate-shaped vibrating bodies connected with each other so that surfaces of said vibrating bodies are crossed on one central axis; and

    piezoelectric elements formed on the surfaces of said plurality of plate-shaped vibrating bodies, whereinsaid vibrating bodies connected with each other vibrate in such a manner that longitudinal expansion and contraction take place inversely at both sides of center portions of said vibrating bodies by applying a driving signal to said piezoelectric elements.

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