Surface lighting devices having a thermoelectric power source
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United States of America Patent
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Jul 31, 2012
Grant Date -
N/A
app pub date -
Dec 12, 2008
filing date -
Dec 12, 2007
priority date (Note) -
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Abstract
Surface lighting devices including at least one light source, at least one energy storage device, and a thermoelectric power generation unit electrically coupled to the at least one energy storage device are disclosed herein. The at least one energy storage device is charged by the thermoelectric power generation unit, and the stored energy is used to illuminate the at least one light source. The surface lighting devices include a voltage step-up circuit that converts a DC voltage produced by the thermoelectric power generation unit into a higher-level DC voltage. Methods for illuminating a surface utilizing the surface lighting devices are also disclosed.
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