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Signal processing apparatus

DC
  • US 6,157,850 A
  • Filed: 05/16/1997
  • Issued: 12/05/2000
  • Est. Priority Date: 03/07/1991
  • Status: Expired due to Fees
First Claim
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1. A method of improving the determination of a physiological parameter based upon physiological signals, said method comprising the steps of:

  • sensing a physiological signal indicative of the physiological parameter, said physiological signal having a desired portion and an undesired portion, said physiological parameter having a predetermined range of possible values;

    based upon said physiological signal, determining at least two possible indications of said physiological parameter based on at least two alternative calculations for said physiological parameter; and

    analyzing said at least two possible indications to determine a resulting indication that likely most closely correlates to the physiological parameter.

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