Illumination – Light source and modifier – Including reflector
Patent
1981-12-23
1984-09-18
Walsh, Donald P.
Illumination
Light source and modifier
Including reflector
362147, 362263, 362367, F21V 700
Patent
active
044727674
ABSTRACT:
A reflector assembly for an indirect or semi-indirect, ceiling supported lighting fixture includes a reflector housing having a top wall comprising a main reflective surface, the main reflective surface being sloped predeterminedly downwardly and inwardly from the housing perimeter to a central aperture defined in the main reflective surface. A high-intensity discharge lamp is predeterminedly positioned in the central aperture for directing light toward the reflective surface from which the light is reflected upwardly toward the ceiling support. A second cup-shaped reflector is positioned beneath the main reflective surface in alignment with the central aperture and in surrounding relation with respect to the lamp. The cup-shaped reflector is spaced slightly from the main reflective surface to define a gap therebetween. The lower wall of the housing includes a translucent panel which is illuminated by light from the lamp passing through the gap.
REFERENCES:
patent: 1612300 (1926-12-01), Manookin
patent: 2149109 (1939-02-01), Welch
patent: 4186433 (1980-01-01), Baldwin
Gealow Jon Carl
LaPorte Ronald
MacKinnon Charles W.
McGraw-Edison Company
Walsh Donald P.
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