发明名称 Battery-operated power tool with light source
摘要 A battery-operated power tool includes housing, a motor disposed in the housing, a battery, a light source, a driver circuit, and first and second physical switches. The driver circuit includes a transistor configured as a switch connecting the battery to the light source. The driver circuit further includes a capacitor arranged to form a timer. The first physical switch is arranged such that its assertion connects the battery to the light source for a predetermined period of time. The second physical switch is separate from the first physical switch and is arranged such that its assertion connects the battery to the motor.
申请公布号 US6814461(B2) 申请公布日期 2004.11.09
申请号 US20030378117 申请日期 2003.03.03
申请人 ONE WORLD TECHNOLOGIES LIMITED 发明人 MINALGA PHILIP F.
分类号 B25B23/18;B25F5/02;(IPC1-7):B25B23/18 主分类号 B25B23/18
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