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APPARATUS AND METHOD FOR MEASURING A CHARACTERISTIC OF A COMPOSITION REACTIVE TO A MAGNETIC FIELD

  • US 20090306489A1
  • Filed: 05/11/2009
  • Published: 12/10/2009
  • Est. Priority Date: 06/09/2008
  • Status: Active Grant
First Claim
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1. A sensor, comprising:

  • a pulse oximeter sensor to measure an oxygen saturation level in a liquid;

    a magnetic source coupled to the pulse oximeter sensor; and

    a controller to;

    control the pulse oximeter sensor and the magnetic source, andmeasure a mechanical effect on the liquid responsive to the magnetic source applying a magnetic field to the liquid.

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