Power tools, battery chargers and batteries

Details Power tools, battery chargers and batteries Power tools, battery chargers and batteries

2005-11-04

2009-02-17

Vu, Bao Q. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For handheld device

C320S106000, C320S128000

Reexamination Certificate

active

07492125

ABSTRACT:
A battery pack for powering a cordless power tool. The battery pack includes at least one battery cell operable to supply a discharge current, a switch operable to control the discharge current and a protection device to protect the switch. The protection device is positioned such that the device absorbs a current traveling in a direction opposite to that of the discharge current supplied from the battery cell.

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IEEE 100: The Authoritative Dictionary of IEEE Standards Terms, 7th Edition (cover of dictionary, front pages with bibliographic information and pp. 171, 1260, 1290), Dec. 2000.

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