Power Tool and Battery Pack for Use Therein
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Nov 22, 2012
app pub date -
Feb 2, 2011
filing date -
Feb 2, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
To prevent or suppress a secondary battery used in a power tool from being deteriorated, a battery property, such as internal resistance of the battery, and a battery status of the secondary battery, such as a voltage developed across the battery, are detected. Based on the battery property and the battery status as detected, a current flowing in the motor of the power tool is controlled.
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