Roadway alert apparatus

Details Roadway alert apparatus Roadway alert apparatus

1991-01-14

1992-07-07

Ng, Jin F.

Communications: electrical

Traffic control indicator

340942, 40614, G08G 1095

Patent

active

051286700

ABSTRACT:
An apparatus is arranged wherein a signal device is positioned in a confronting relationship for visual observation by a vehicle within a primary roadway adjacent to a secondary roadway, wherein the signal device is operative upon breaking of a photo-cell being directed orthogonally across the primary roadway adjacent a secondary roadway. The signal device is defined as a visual alert member and may optionally be formed to include a visual and audible device rotatably mounted for actuation upon breaking of a photo-cell signal directed across a secondary roadway relative to the primary roadway, wherein the visual signal is arranged to include alternating opaque and translucent faces to effect a flickering and enhanced visual alert to an operator of a vehicle in the primary roadway, as well as positioning of a signal device for observation by an operator of the device of the vehicle in a secondary roadway.

REFERENCES:
patent: 1535437 (1925-04-01), Overton
patent: 1932441 (1933-10-01), Black et al.
patent: 2849701 (1958-08-01), Clark
patent: 2870559 (1959-01-01), Shaughnessy
patent: 3153292 (1964-10-01), Glasgow
patent: 3896414 (1975-07-01), Rulo

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