Signal lamp configuration for directing high speed traffic and s

Details Signal lamp configuration for directing high speed traffic and s Signal lamp configuration for directing high speed traffic and s

1974-07-09

1976-01-27

Caldwell, John W.

Communications: electrical

Digital comparator systems

315318, 340 82, 340331, B60Q 700

Patent

active

039355616

ABSTRACT:
A signal lamp configuration for directing high speed traffic and a solid state sequencer for selectively energizing the same are described. The signal lamp configuration includes a pair of arrows inclined in opposite directions and having intersecting tail portions. The arrows are sequentially energized by the solid state sequencer from tail to head to direct traffic around a hazardous condition on a roadway. The arrows may also be flashed ON and OFF simultaneously if desired.

REFERENCES:
patent: 3479641 (1969-11-01), Summers
patent: 3622980 (1971-11-01), Elledge
patent: 3747063 (1973-07-01), Hudson
patent: 3778676 (1973-12-01), Keller

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