Battery charging systems

Details Battery charging systems Battery charging systems

2011-05-17

2011-05-17

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For battery pack

C320S112000

Reexamination Certificate

active

07944175

ABSTRACT:
A system for charging a power tool battery includes a charging device capable of charging a battery, a memory device capable of storing data of a plurality of sound patterns, a selecting device capable of selecting a sound pattern data from the plurality of sound patterns, and a sound generating device capable of generating a sound based on the selected sound pattern data when the charging operation of the battery by the charging device has been completed.

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Japanese Patent Office communication, mailed Nov. 4, 2009 in Japanese Patent Application No. 2006-121964.

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