Method and apparatus for estimating the service life of a battery
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Oct 12, 1999
filing date -
Oct 12, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus is provided for estimating the service life of a battery. The apparatus includes a temperature measurement circuit that measures a temperature of an operating environment of the battery and outputs a signal representative of the temperature of the operating environment. A controller coupled to the temperature measurement circuit receives the temperature signal therefrom and estimates the service life of the battery based on the temperature signal. Preferably, the temperature measurement circuit outputs a signal representative of a temperature range in which the measured operating environment temperature resides and the controller estimates the service life of the battery based on the temperature range signal output by the temperature measurement circuit. A method and a computer program product also are provided for similarly estimating the service life of a battery.
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