Illuminated traffic signal for color blind persons

Details Illuminated traffic signal for color blind persons Illuminated traffic signal for color blind persons

G - Physics

08

G

240/58

G08G 1/095 (2006.01) F21S 8/00 (2006.01)

Patent

CA 1266459

ABSTRACT OF THE DISCLOSURE A traffic signal control which is designed for color-blind persons, and has a unique geometric shape for the information to be conveyed. The traffic signal control has a central illuminated region of the specific geometric shape, bordered by an opaque region about which is provided a translucent track of white-light of the same geometric shape, which in turn is surrounded by another opaque strip of the same shape. When the control is for a "stop" signal, the central region is made of a red filter, and for the "go", it is made of a green filter. The white light is of a greater intensity than the light emanating from the central region, so that the color blind person may recognize the particular geometric shape indicative of that signal.

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