Illumination – Light source and modifier – Including reflector
Patent
1998-09-11
2000-07-11
Sember, Thomas M.
Illumination
Light source and modifier
Including reflector
362309, 362329, 362346, F21V 700
Patent
active
060862270
ABSTRACT:
A lamp with a faceted spiral reflector and a spiral faceted lens is disclosed. The lamp with spiral reflector and spiral lens yields a smooth circular beam pattern with a perceived sharp beam edge. The source image is well dispersed, and the beam illumination is visually smooth.
REFERENCES:
patent: 5272408 (1993-12-01), Levin et al.
patent: 5720123 (1998-02-01), Taylor
Gallant Joseph P.
O'Connell William C.
Meyer William E.
Osram Sylvania Inc.
Sember Thomas M.
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