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Remote switch sensing in lighting devices

  • US 9,236,767 B2
  • Filed: 07/24/2013
  • Issued: 01/12/2016
  • Est. Priority Date: 03/28/2006
  • Status: Active Grant
First Claim
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1. An intelligent power outage lighting management system comprising:

  • at least one lighting device comprising a processor, a switched power connection to external power, a light source, an internal power source, a power selection device, and a switch sense interface; and

    an external power control switch comprising a switch sense module, a power feed to the at least one lighting device, a switch, an internal power source, and a connection to an external power supply;

    wherein the switch sense module detects a disruption in the external power supply, detects the state of the switch and communicates the state of the external power supply and the switch to the switch sense interface in the at least one lighting device, and wherein the processor selects the internal power source to power the lighting device.

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