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Magnetically levitated force/weight measurement system

  • US 5,485,748 A
  • Filed: 01/26/1994
  • Issued: 01/23/1996
  • Est. Priority Date: 01/26/1994
  • Status: Expired due to Fees
First Claim
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1. A mass-levitating system, comprising:

  • a mass containing means for generating a first magnetic field, the mass being in a stationary levitated position during equilibrium of said system;

    means for generating a second magnetic field, said second magnetic field generating means containing electric currents disposed in a manner that impinges on said first magnetic field to produce a force needed to levitale the mass;

    position detecting means for generating a signal indicative of a change in position of the mass; and

    signal processing means for transforming said signal into alterations in said electric currents, so as to restore the mass to said stationary position in response to said signal;

    wherein operation of said means for generating a first magnetic field and said means for generating a second magnetic field obviates the need for cryogenic temperatures.

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