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Multi-stream sensor front ends for noninvasive measurement of blood constituents

  • US 8,630,691 B2
  • Filed: 08/03/2009
  • Issued: 01/14/2014
  • Est. Priority Date: 08/04/2008
  • Status: Active Grant
First Claim
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1. A front-end interface for a noninvasive, physiological sensor, said front-end interface comprising:

  • a set of inputs configured to receive signals from a plurality of detectors in the sensor;

    a set of transimpedance amplifiers configured to convert the signals from the plurality of detectors into an output signal having a stream for each of the plurality of detectors; and

    an output configured to provide the output signal;

    wherein the front-end interface is integrated with the sensor.

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