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HIGHWAY EMERGENCY COMMUNICATIONS-WARNING SYSTEM AND UNITS

  • US 3,832,679 A
  • Filed: 08/16/1972
  • Issued: 08/27/1974
  • Est. Priority Date: 08/16/1972
  • Status: Expired due to Term
First Claim
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1. A highway emergency traffic advisory and warning system comprising a plurality of communications stations positioned at regularly spaced intervals along the roadside in either direction;

  • a central dispatch station in direct telephonic communication with at least a selected station, each station comprising a vertical column anchored in the ground at its lower end and having impact releasable connector means adjacent its lower end, an audio-visual communications head surmounting and permanently affixed to the upper end of each column, said audiovisual communications head comprising, an inverted, open topped, frusto-conical shaped bowl having a bottom recessed upwardly toward the interior thereof whereby a pronounced depending peripheral skirt is defined around the lower circumferential edge of the said bowl;

    a central, tubular column depending from the bottom of said bowl and connected to said vertical column the bottom of said bowl between said skirt and said tubular column and also said tubular column having a plurality of vertically aligned grid-like openings therein, each opening being disposed above the lowermost peripheral edge of said depending skirt;

    voice communicating means including a telephonic transmitter device and a telephonic receiving device positioned within said bowl and said tubular column respectively behind each of said grid-like openings, manually actuated means for actuating said voice communicating means to connect said station with the central dispatch station for telephonic two-way communication therewith;

    a light source mounted in the open top of said inverted, frustoconical shaped bowl and operable only from said central dispatch station; and

    a complimentary light transmitting cover encompassing said light source and in sealing engagement with the upper peripheral edge of said inverted frusto-conical shaped bowl to define therewith an integral weatherproof housing for said voice communicating means and said light source.

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