Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1996-09-12
1998-02-10
Berhane, Adolf
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
H01M 1044, H02J 700
Patent
active
057173141
ABSTRACT:
An apparatus and method for charging a battery having a positive terminal, a negative terminal, and a third terminal is disclosed, where a thermistor is positioned across the negative terminal and the third terminal. The apparatus includes a positive contact positioned so as to engage the positive terminal of the battery, a negative contact positioned so as to engage the negative terminal of the battery, a third contact positioned so as to engage the third terminal of the battery, and a logic circuit connected to the positive, negative and third terminals. In addition, a switching device is provided which receives an input from the logic circuit that dictates whether the switching device is positioned closed so as to connect the third contact to a biasing source. The position of the switching device is determined by comparing the voltage at the third contact to a predetermined threshold voltage.
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Berhane Adolf
Ericsson Inc.
Law Patrick B.
LandOfFree
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