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Egress direction indication system

  • US 4,801,928 A
  • Filed: 09/02/1986
  • Issued: 01/31/1989
  • Est. Priority Date: 09/02/1986
  • Status: Expired due to Fees
First Claim
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1. An egress direction indication system comprising:

  • an indicator unit including at least three electroluminescent lamps in a linear arrangement;

    a first means when activated for sequentially illuminating at spaced intervals to indicate a specific direction said at least three electroluminescent lamps in order from a first end of the linear arrangement to a second end of the linear arrangement;

    a second means responsive to the illumination of the electroluminescent lamp nearest said second end for extinguishing all said electroluminescent lamps in the linear arrangement simultaneously; and

    a third means responsive to the extinguishment of all the electroluminescent lamps in the linear arrangement for activating said first means.

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