Illumination – Light source and modifier – Including reflector
Patent
1980-12-04
1983-09-13
Walsh, Donald P.
Illumination
Light source and modifier
Including reflector
362297, 362346, 362348, F21V 700
Patent
active
044046200
ABSTRACT:
A luminaire comprises a light source and a reflector which has an opening for emitting light and an apex opposed the opening, and which reflects light emitted from the light source in a desired direction. The reflector having a first area at the intermediate portion between the opening and the apex thereof consisting of a plurality of reflecting surface units with inclined surfaces located at both sides thereof, and a second area disposed at least partially between the intermediate portion and the opening consisting of hammer tone finished reflecting surfaces formed at least partially on a portion located nearer to the opening for emitting light than the first area is located to.
REFERENCES:
patent: 3040994 (1962-06-01), Anderson
patent: 3401258 (1968-09-01), Guth
patent: 3499780 (1970-03-01), Etherington et al.
patent: 3662165 (1972-05-01), Osteen et al.
patent: 3950638 (1976-04-01), Kent et al.
patent: 4081667 (1978-03-01), Lewin
patent: 4225908 (1980-09-01), Small, Jr.
Matsushita Nobuo
Takahashi Sadao
Toshiba Electric Equipment Corporation
Walsh Donald P.
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