发明名称 CIRCUITRY FOR PORTABLE LIGHTING DEVICES AND PORTABLE RECHARGEABLE ELECTRONIC DEVICES
摘要 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.
申请公布号 US2009284170(A1) 申请公布日期 2009.11.19
申请号 US20090508875 申请日期 2009.07.24
申请人 MAG INSTRUMENT, INC. 发明人 WEST STACEY H.
分类号 H05B41/36;H05B37/02 主分类号 H05B41/36
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