Apparatus for monitoring the state of charge of a battery
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United States of America Patent
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-
Nov 6, 1990
Grant Date -
N/A
app pub date -
Jul 13, 1988
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 is provided. 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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