Luminaire and reflector therefor

Details Luminaire and reflector therefor Luminaire and reflector therefor

1975-11-18

1977-05-31

Moses, Richard L.

Buckles, buttons, clasps, etc.

240 5111R, 240103R, 350294, F21V 700, F21V 709

Patent

active

040271510

ABSTRACT:
A luminaire for providing uniform illumination of a horizontal or vertical plane surface is provided with a reflector having three distinct contours to provide optimum distribution of light flux. The first section is cylindrical and extends from 117.degree. to 180.degree. from nadir. The second section is a general contour curve extending from 180.degree. to 270.degree. from nadir and is used to redirect flux in the zone from nadir to 65.degree.. The third section is a general contour curve extending from 270.degree. to 355.degree. from nadir and redirects the flux in the zone from 50.degree. to 65.degree. from nadir. The general contour curves in sections 2 and 3 are defined by fourth degree polynominal equations.

REFERENCES:
patent: 3679893 (1972-07-01), Shemitz

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