Vehicle emergency warning light having TIR lens, LED light engine and heat sink
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United States of America Patent
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N/A
Issued Date -
Feb 13, 2003
app pub date -
Aug 9, 2001
filing date -
Aug 9, 2001
priority date (Note) -
Abandoned
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Abstract
An emergency warning light for a vehicle including an LED light engine in contact with a heat sink and covered by a lens including a plurality of total internal reflection (TIR) surface configurations corresponding to the LEDs. A constant current step up power supply circuit energizes the LEDs.
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