Illumination – Elongated source light unit or support – Plural sources or supports therefor
Patent
1988-05-27
1989-09-12
Lazarus, Ira S.
Illumination
Elongated source light unit or support
Plural sources or supports therefor
362241, 362298, 362346, F21V 712
Patent
active
048665843
ABSTRACT:
An indirect luminaire mounted adjacent a surface for illuminating the same. The luminaire possesses a first reflector positioned such that the source of light lies intermediate the first reflector and the surface. The first reflector includes an edge portion to cut off light emanating from the source of light. A second reflector is positioned between the source of light and the surface. The second reflector reflects light only toward and along the surface.
REFERENCES:
patent: D274657 (1985-07-01), Herst et al.
patent: 1820599 (1931-08-01), Cushing
patent: 4308573 (1981-12-01), McNamara, Jr.
patent: 4390930 (1983-06-01), Herst et al.
patent: 4651260 (1987-03-01), Lasker
patent: 4701832 (1987-10-01), Lasker
patent: 4729077 (1988-03-01), Gordin et al
patent: 4748547 (1988-05-01), Baker
Columbia Lighting-Lighting Imprints-1987/1988, pp. 1-40.
Columbia Lighting-Lighting Imprints Technical Data Manual-1/1987, pp. 1-37.
Cole Richard R.
Columbia Lighting, Inc.
Lazarus Ira S.
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