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METHOD OF REDUCING MOTION ARTIFACTS ON WEARABLE OPTICAL SENSOR DEVICES

  • US 20160296174A1
  • Filed: 12/05/2013
  • Published: 10/13/2016
  • Est. Priority Date: 12/05/2013
  • Status: Active Application
First Claim
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1. A method of an electronic device including a plurality of light emitters and a light sensor, the method comprising:

  • emitting light from a first light emitter;

    receiving at the light sensor first light information from the first light emitter;

    emitting light from a second light emitter;

    receiving at the light sensor second light information from the second light emitter;

    computing first and second scaling factors based on the first and second light information; and

    computing a heart rate signal based on the first light information added to the second light information, the first and second light information each being scaled by the respective first and second scaling factors.

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