Two-level security lighting system

  • US 5,747,937 A
  • Filed: 10/30/1996
  • Issued: 05/05/1998
  • Est. Priority Date: 02/13/1996
  • Status: Expired due to Term
First Claim
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1. A lighting system comprising:

  • a motion sensor for sensing motion;

    a photocell for sensing the presence or absence of daylight;

    a lamp;

    a housing for carrying said motion sensor, said photocell and said lamp;

    means for connecting said lamp to a source of external electrical power; and

    a control circuit for electrically connecting said connecting means to said motion sensor and said photocell for enabling said lamp to be illuminated by said motion sensor or said photocell, said control circuit allowing for manual override of said motion sensor and said photocell to enable said lamp to be illuminated by an external switch.

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