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MECHANISMS FOR LIGHT MANAGEMENT

  • US 20110133649A1
  • Filed: 12/07/2009
  • Published: 06/09/2011
  • Est. Priority Date: 12/07/2009
  • Status: Active Grant
First Claim
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1. A light emitting diode (LED) light bulb, comprising:

  • a plurality of light emitting diodes (LEDs) configured for illumination in a LED light bulb;

    a battery;

    a base configured to fit a standard socket designed for an incandescent light bulb, the base configured to operatively connect to an electrical power source; and

    a module operative to detect a residual voltage of the power source when a control for powering the LED light bulb is powered off;

    wherein the module is operative to determine that a power outage occurred and operative to switch to battery power from the battery in response to not detecting the residual voltage of the power source.

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