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LED Drive Circuit And Method For Using Same

  • US 20090167205A1
  • Filed: 12/24/2008
  • Published: 07/02/2009
  • Est. Priority Date: 12/26/2007
  • Status: Active Grant
First Claim
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1. An LED drive circuit for a pulse oximeter comprising:

  • a current mirror configured to supply a current to activate an LED of a pulse oximetry sensor.

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