Illumination – Elongated source light unit or support – Housing
Patent
1987-04-29
1988-05-24
Argenbright, Tony M.
Illumination
Elongated source light unit or support
Housing
362297, 362346, F21V 706, G02B 510
Patent
active
047470275
ABSTRACT:
A fluorescent lamp light unit a rectangular housing, one double parabolic head mirror, two side mirrors, and two raster mirrors being provided for each fluorescent lamp. One object of the invention is to maximize the lumicous efficiency with low illumination energy, under utilization of a simple structure. Each side mirror is held under prestressing, on the one hand, on the head wall of the housing beneath the edge of the double parabolic head mirror and, on the other hand, on frontal nose-shaped receptions.
REFERENCES:
patent: 2368810 (1945-02-01), Donnelly
patent: 3210538 (1965-10-01), Picha et al.
patent: 3246138 (1966-04-01), Florence
patent: 4242725 (1980-12-01), Douma et al.
Argenbright Tony M.
Friedhelm Hirt Leuchten
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