Temperature sensitive charging of batteries with simple chargers
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United States of America Patent
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N/A
Issued Date -
Nov 17, 2005
app pub date -
May 11, 2004
filing date -
May 11, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Methods and devices are provided for charging a battery in a temperature controlled charging process using a simple voltage-controlled charger. A control circuit includes elements for increasing the apparent voltage drop in a charging circuit, including a rechargeable battery, to produce a signal to a connected voltage-controlled charger to effect a lowering of the charger supplied charging current. This increased voltage drop is initiated upon sensing battery temperatures at or above a predetermined limit. In this way, a solely voltage-controlled charger may be controlled by battery temperature.
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