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Emergency traffic signal device

  • US 6,850,169 B2
  • Filed: 05/16/2003
  • Issued: 02/01/2005
  • Est. Priority Date: 05/17/2002
  • Status: Expired due to Fees
First Claim
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1. An emergency traffic signal device for use as a traffic signal to be actuated by a preemptive emergency signal from an approaching emergency vehicle, said device comprising:

  • a backing panel for said traffic signal having top, bottom and side edges and a plurality of traffic lights mounted in a row on said backing panel;

    a plurality of elongated display elements mounted on said backing panel and extending along the edges thereof around said traffic lights, each of said display elements comprising at least one electro-optically responsive display unit operable when actuated to display a preselected graphic directional symbol for directing motorists approaching the traffic signal device;

    and a controller for said display elements connected to the elements and responsive to said preemptive emergency signal to actuate the elements and produce said preselected directional symbols thereon.

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