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Time clock control for outside lighting

  • US 8,593,268 B2
  • Filed: 08/08/2011
  • Issued: 11/26/2013
  • Est. Priority Date: 08/08/2011
  • Status: Active Grant
First Claim
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1. A device to automatically control timing of outside lighting comprising:

  • a GPS circuit for determining said device'"'"'s physical location;

    a memory for storing Greenwich Mean Time (GMT) and Current Day (CD), and a program to calculate lighting on and off times based on said device'"'"'s physical location, said GMT and CD, and on the ephemeris movement of the sun relative to said device'"'"'s physical location on the earth;

    a processor to run said program; and

    a relay to turn lights on and off based on calculated said on and off times.

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