Traffic-related message signal using light-emitting diodes

Details Traffic-related message signal using light-emitting diodes Traffic-related message signal using light-emitting diodes

1990-08-24

1992-08-04

Crosland, Donnie L.

Communications: electrical

Traffic control indicator

Intersection normally under local controller

340762, 340907, 34081503, 362800, G08G 107

Patent

active

051362872

ABSTRACT:
A traffic message signal device includes a housing having a display structure. The display structure includes a non-reflective support panel supporting a plurality of light-emitting diode elements arranged in a configuration defining a traffic-related message. The light-emitting diode elements are high intensity limited dispersion L.E.D.s which emit light in an attenuated angular spread about a central axis. The light-emitting diode elements are supported on board members with their central axis generally parallel to each other and generally perpendicular to the support panel.

REFERENCES:
patent: 2194614 (1937-09-01), Rayburn
patent: 3368198 (1965-01-01), Eikenberry et al.
patent: 3863251 (1975-01-01), Gould et al.
patent: 4271408 (1981-06-01), Teshima et al.
patent: 4298869 (1981-11-01), Okuro
patent: 4308572 (1981-12-01), Davidson et al.
patent: 4654629 (1987-03-01), Bezos et al.
patent: 4733486 (1988-03-01), Gawell

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