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Impedance parameter values

  • US 8,099,250 B2
  • Filed: 07/27/2006
  • Issued: 01/17/2012
  • Est. Priority Date: 08/02/2005
  • Status: Active Grant
First Claim
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1. A method of determining parameter values used in impedance analysis of a subject, the method comprising:

  • a) determining a number of impedance measurements at a corresponding number of frequencies;

    b) determining estimates of the parameter values;

    c) determining theoretical impedance values based on the parameter value estimates;

    d) comparing, in a processor of a processing system, the theoretical impedance values to the measured impedance values;

    e) determining, in the processor, at least one modification direction for at least one of the parameter value estimates in accordance with the results of the comparison; and

    ,f) modifying, in the processor, at least one parameter value estimate in accordance with the determined direction, the parameter values being determined at least in part from one or more modified parameter value estimates.

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