Rechargeable portable Light with Multiple Charging Systems
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United States of America Patent
Stats
-
N/A
Issued Date -
Jun 11, 2009
app pub date -
Dec 5, 2007
filing date -
Dec 5, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A rechargeable portable light having a housing member with an opening for the emission of light, and several possible charging systems including a solar panel, an AC charger, an auto charger, and a hand crank generator charger. An electronic circuit is located within the housing member and includes at least one electrochemical capacitor for power storage. The electrochemical capacitor is charged by a charging system. A power inverter circuit, a mechanical switch method, or a DC-DC IC is used to increase voltage and regulate current. The circuit also includes at least one light emitting diode (LED) positioned near the opening in the housing member, and a switch interposed between the capacitor and the LED. The switch is closed when power is delivered from the capacitor to the LED.
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Family
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Cited Art Landscape
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