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AUTONOMOUS GRID SHIFTING LIGHTING DEVICE

  • US 20110133655A1
  • Filed: 11/09/2010
  • Published: 06/09/2011
  • Est. Priority Date: 03/28/2006
  • Status: Active Grant
First Claim
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1. A lighting device, comprising:

  • an illumination source mechanically associated with a housing;

    a timing facility mechanically associated with the housing and in data communication with a controller; and

    the controller is mechanically associated with the housing and is adapted to cause a power sourcing facility to select from two alternative power sources when powering the illumination source based on an input from the timing facility.

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