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Method and system for calibrating electronic devices using polynomial fit calibration scheme

  • US 6,374,084 B1
  • Filed: 02/01/1999
  • Issued: 04/16/2002
  • Est. Priority Date: 02/01/1999
  • Status: Expired due to Term
First Claim
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1. A method for calibrating the magnitude of a parameter used to adjust an output characteristic of an electronic device in accordance with the magnitude of an input signal, said method comprising the steps of:

  • generating a plurality of test data points each comprising a particular input signal magnitude and a corresponding particular parameter calibration value, the output characteristic of said device when said parameter is set to said particular calibration value being the appropriate characteristic for an input signal of said particular magnitude;

    determining the value for coefficients of an equation of predetermined form such that said equation with said coefficients defines a curve that substantially follows a plot of said plurality of test data points; and

    storing said coefficients in said electronic device, wherein a calibrated parameter value is provided when said electronic device evaluates said equation with said stored coefficients using the detected magnitude of said input signal.

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