F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/160
F21V 13/10 (2006.01)
Patent
CA 1059483
ABSTRACT OF THE DISCLOSURE A luminaire having a pair of parabolic reflectors or a reflector having a continuous parabolic surface of revolution, a light source within the parabolic surface or surfaces having a light emitting envelope, and a plurality of light absorbing surfaces positioned to cut off substantially all light emanating from the light source envelope which would otherwise have been reflected or directed into the zone of about 45° to about 90° above nadir. The parabolic reflectors or surface are arranged to provide maximum candlepower in the zone of about 25° to 45° above nadir. The luminaire eliminates direct discomfort glare and substantially eliminates veiling reflections in seeing tasks located on the working plane. The luminaire is adapted for surface, pendant or recessed ceiling mounting or for mount- ing above the task area from floor or table mounted supports, or inverted to illuminate the ceiling.
266221
Shemitz Sylvan R.
Stahlheber Benjamin L.
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