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Vibrating beam force transducer with A-frame beam root and frequency adjusting means

  • US 4,658,175 A
  • Filed: 03/26/1986
  • Issued: 04/14/1987
  • Est. Priority Date: 03/26/1986
  • Status: Expired due to Term
First Claim
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1. In a vibrating beam force transducer comprising a piezoelectric beam structure having first and second ends, and means for inducing a vibration in the piezoelectric beam, the improvement comprising:

  • an adjustment mass formed at the center of said beam, said adjustment mass made up of said piezoelectric material, whereby parts of said adjustment mass can be broken off to adjust the bias frequency of said vibrating beam; and

    further including first and second legs at each end of said beam for directly mounting said beam to a support structure or mass.

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