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Motion compensation in a sensor

  • US 8,588,879 B2
  • Filed: 03/15/2013
  • Issued: 11/19/2013
  • Est. Priority Date: 02/28/2010
  • Status: Active Grant
First Claim
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1. A physiological sensor comprising:

  • an emitter configured to transmit light;

    a detector configured to receive the transmitted light;

    a first accelerometer disposed on a first portion of the sensor; and

    a second accelerometer disposed on a second portion of the sensor, wherein the second portion opposes the first portion, and the first and second accelerometers are configured to measure a change in motion that corresponds to a change in distance between the detector and the emitter.

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