SPLIT TROUGH REFLECTOR
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United States of America Patent
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Issued Date -
Aug 13, 2009
app pub date -
Feb 13, 2008
filing date -
Feb 13, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A trough reflector for a lighting system is disclosed, wherein the trough reflector produces a lighting pattern having a stepped horizontal cut-off, maximizes collection efficiency, and minimizes undesirable beam patterns. The trough reflector includes a reflective surface having a substantially parabolic curvature for directing light, wherein the reflective surface is split into a first portion and a second portion. The second portion offset relative to the first portion of the trough reflector. The trough reflector further includes a plurality of reflective side walls disposed adjacent the reflective surface, wherein the reflective side walls cooperate with the reflective surface to direct light rays to form a desired lighting pattern.
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