Illumination – Light source and modifier – Including reflector
Patent
1987-05-29
1989-01-17
Myhre, Charles J.
Illumination
Light source and modifier
Including reflector
362347, F21V 700
Patent
active
047991364
ABSTRACT:
A lighting fixture adapted for uniformly illuminating a wall surface by utilizing an asymmetric light reflection pattern. The fixture includes a support housing and an elongated concave-shaped reflector which is pivotably attached to the support housing and has multiple facet surfaces arranged for reflecting light from the centrally located light source out through a front opening, which is covered with an ultraviolet filtering glass diffusion plate. The reflector has major rear and minor front reflecting portions, each portion containing multiple facet surfaces arranged in upper and lower zones with varying angles measured relative to a central vertical plane selected for reflecting light from the light source uniformly out through the diffusion plate to provide an asymmetric lighting pattern for uniformly illuminating a wall surface. The lighting fixture is usually mounted from a ceiling and directed to uniformly illuminate a vertical wall surface so as to avoid hot spots, scallops and striations on the illuminated surface.
REFERENCES:
patent: 1759307 (1930-05-01), Hartinger
patent: 2341658 (1944-02-01), Salani
patent: 4081667 (1978-03-01), Lewin et al.
patent: 4349866 (1982-09-01), Molnar
patent: 4358816 (1982-11-01), Soileau
patent: 4360863 (1982-11-01), Barnes et al.
Coch Nicholas L.
Guth Lighting Systems, Inc.
Myhre Charles J.
Okonsky David A.
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