Turn-on-red traffic signal

Details Turn-on-red traffic signal Turn-on-red traffic signal

1983-11-25

1985-12-10

Rowland, James L.

Communications: electrical

Selective

Having indication or alarm

340 84, 340907, B60Q 146

Patent

active

045582998

ABSTRACT:
A traffic light structure having a housing including a front portion; a colored lens mounted in the front portion and facing along a roadway to be controlled; a reflector in the housing behind the lens; a main lamp between the reflector and the lens; an electric power source in control of illumination of the main lamp to stop traffic when the main lamp is illuminated; a divider in the housing between the reflector and the lens and operative to divide the space therebetween into a major zone including said main lamp and a non-communicating minor zone of lesser size located offset from the center of the lens; an auxiliary light source in the minor zone and disposed when illuminated to illuminate the portion of the lens overlying the minor zone; and a blinker for intermittently flashing the light from the auxiliary ligh source when the main lamp is illuminated, the divider having an outer portion adjacent to the lens, and the shape of the outer portion of the divider determining the contour of the portion of the lens which is illuminated by the flashing auxiliary light source to indicate to traffic that a turn on red after stopping is permitted.

REFERENCES:
patent: 2219092 (1940-10-01), Hoover

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