Apparatus for monitoring the state of charge of a battery
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United States of America Patent
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-
Jan 12, 1993
Issued Date -
N/A
app pub date -
Oct 31, 1990
filing date -
Jul 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for monitoring the state of charge of a battery having a shunt resistor connected in series with a battery and an integrating circuit connected across the terminals of the shunt resistor. The integrating circuit includes a memoriode having a large capacitance and the capability to store charge for long periods of time, so that the integration can be performed along the same curve even if power to the integrating circuit is interrupted.
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