Retrofit circuitry for enhanced vehicle hazard warning lights
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United States of America Patent
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Oct 25, 2011
Grant Date -
Sep 9, 2010
app pub date -
Mar 3, 2009
filing date -
Mar 3, 2009
priority date (Note) -
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Abstract
A third light is added above the lower two rear turn signal lights of an automotive vehicle Detection hardware is included which senses when both lower lights begin flashing simultaneously due to activation of the vehicle's 4-way hazard warning system. Such detection also introduces current pulses to the third light which flashes simultaneously with the lower two lights to generate a triangular configuration of the three flashing lights. Retrofit circuitry is described to enable installing the modified triangular signal into existing vehicles.
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