METHOD AND APPARATUS FOR PHOTOPLETHYSMOGRAPHIC SENSING

  • US 20090054752A1
  • Filed: 08/22/2007
  • Published: 02/26/2009
  • Est. Priority Date: 08/22/2007
  • Status: Abandoned Application
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First Claim
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1. A photoplethysmographic sensing system for determining a user'"'"'s pulse rate, comprising:

  • a light emitting device including a first plurality of light emitting particles having a first diameter;

    a detector for receiving light emitted from the plurality of light emitting particles; and

    a processing device coupled to the detector for determining the pulse rate.

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