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Lighting apparatus

  • US 8,710,995 B2
  • Filed: 05/19/2011
  • Issued: 04/29/2014
  • Est. Priority Date: 05/20/2010
  • Status: Active Grant
First Claim
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1. A lighting apparatus for illumination with a light source comprising:

  • a power source unit arranged to power the light source, wherein the power source unit is arranged to continuously receive electric power from a power line;

    a detector unit arranged to detect a deterioration of ability of the power source unit to power the light source with the power source unit continuously receiving the electric power from the power line; and

    a determination unit arranged to determine duration of life of the power source unit in response to the detector unit.

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