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Intelligent outdoor lighting control system

  • US 5,962,991 A
  • Filed: 02/21/1997
  • Issued: 10/05/1999
  • Est. Priority Date: 06/27/1996
  • Status: Expired due to Fees
First Claim
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1. An outdoor lighting control system for a string of outdoor illumination lamps disposed at various locations along an outdoor lighting system comprising:

  • at each of plural lamp locations in the string, a controller module comprising input means for receiving electric power input and output means for supplying electric power to the remainder of the string;

    each of said plural lamp locations further comprising one or more outdoor illumination lamps;

    each controller module comprising first switching means for switching the electric power input to deliver current to the one or more outdoor illumination lamps at the controller module'"'"'s location, and second switching means for switching electric input power from the controller module'"'"'s input means to the controller module'"'"'s output means in response to receipt of electric power input at the controller module'"'"'s input means;

    in which each controller module comprises its own electronic control unit for controlling its first switching means and its second switching means and in which each controller module further comprises a first current sensing means for sensing current flowing through its first switching means and a second current sensing means for sensing current flowing through its second switching means.

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