Roadway luminaire
AssigneeGeneral Electric Company
InventorTrasimond A. Soileau
Life of this patent
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Abstract
Luminaire provides relatively uniform illumination in substantially rectangular pattern up and down the roadway adjacent the luminaire. The luminaire reflector is formed with a multiplicity of flat facets individually oriented to direct light to particular areas along the roadway surface.
Claims9
A luminaire adapted to be mounted at the side of a roadway for relatively uniformly illuminating the remote, intermediate and near portions of the roadway surface comprising, in combination, a generally ovate concave reflector having curved side walls extending between the street side and the house side of the reflector and a rim defining a bottom opening, said reflector having a light center therein, a light source arranged at said light center, at least one side wall of said reflector being formed of a plurality of reflecting facets, said facets being arranged in a plurality of horizontally adjacent panels, each panel comprising a plurality of vertically adjacent facets, said facets arranged in substantially horizontally extending lower, intermediate and upper rows, the facets in said lower, intermediate and upper rows directing light rays respectively to the remote, intermediate and near portions of the roadway, the facets in the panels nearer the house side of the reflector directing light rays toward the opposite side of the roadway, and the facets in the panels nearer the street side of the reflector directing light rays toward the luminaire side of the roadway, the facets in intermediate rows of a plurality of panels on the house side of the vertical median transverse plane of said reflector extending at angles to said plane less than the angles formed by facets in the lower rows of the same respective panels, whereby the roadway is relatively uniformly illuminated in both longitudinal and lateral directions.
Dependencies are inferred from the claim text.