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Multiaxial vibration sensor

  • US 4,458,536 A
  • Filed: 07/06/1982
  • Issued: 07/10/1984
  • Est. Priority Date: 07/06/1982
  • Status: Expired due to Fees
First Claim
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1. A multiaxial vibration sensor comprising:

  • a float;

    a housing closely surrounding said float and permitting limited freedom of motion of said float within said housing;

    means responsive to excitation for electromagnetically constraining said float within said housing without physical contact therebetween against translational and rotational motion;

    means for applying excitation to said constraining means;

    means responsive to a characteristic of said excitation for providing an indication of vibration applied to said housing; and

    said constraining means further including means responsive to said indication of vibration for applying forces to said float to restrain relative motion between said float and said housing.

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