Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrew E. Seman, Jr.0
Danh Thanh Trinh0
Daniele C. Brotto0
David A. Carrier0
Jeffrey J. Francis0
R. Roby Bailey0
Steven J. Phillips0
Christopher R. Yahnker0
Date of Patent
October 13, 2009
0Patent Application Number
120794290
Date Filed
March 26, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In a cordless power tool system, protection methods, circuits and devices are provided to protect against fault conditions within a battery pack that is operatively attached to a power tool or charger, so as to prevent internal or external damage to the battery pack or attached tool or charger. The exemplary methods, circuits and devices address fault conditions such as over-charge, over-discharge, over-current, over-temperature, etc.
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