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SYSTEMS AND METHODS FOR SENSING ENVIRONMENTAL CHANGES USING LIGHT SOURCES AS SENSORS

  • US 20140375352A1
  • Filed: 09/14/2012
  • Published: 12/25/2014
  • Est. Priority Date: 09/15/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • illuminating a space with a light source, wherein the light source includes an internal oscillator used during the illuminating; and

    sensing an environmental change with the light source based, at least in part, on a change in operation of the internal oscillator.

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