CIRCUITRY FOR PORTABLE LIGHTING DEVICES AND PORTABLE RECHARGEABLE ELECTRONIC DEVICES
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United States of America Patent
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app pub date -
Jul 24, 2009
filing date -
Dec 7, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A flashlight with a circuit for reducing the initial surge of current that is sent through the lamp filament when a flashlight is turned on is provided. The circuit reduces the stresses placed on the lamp bulb when it is turned on, thereby extending the life expectancy of the lamp bulb. A flashlight with an electronic switch is also disclosed.
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Family
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Cited Art Landscape
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