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Multiplexed photodetector array for optical medical sensors

  • US 8,798,702 B2
  • Filed: 03/31/2011
  • Issued: 08/05/2014
  • Est. Priority Date: 03/31/2011
  • Status: Active Grant
First Claim
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1. A physiological sensor comprising:

  • one or more emitters configured to transmit light into a patient'"'"'s tissue;

    a photodetector array comprising a plurality of photodetectors configured to receive the transmitted light from the tissue and produce a corresponding respective output signal;

    a multiplexor configured to receive the output signals from the plurality of photodetectors and to output a selected one of the respective output signals; and

    a signal analyzer configured to;

    make a determination regarding a signal quality of the output signals; and

    select one of the output signals based on the signal quality determination for calculation of a physiological parameter of the patient.

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