Apparatus for monitoring the state of charge of a battery

Details Apparatus for monitoring the state of charge of a battery Apparatus for monitoring the state of charge of a battery

1988-07-13

1990-11-06

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324432, 324435, G01N 2746

Patent

active

049689410

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.

REFERENCES:
patent: 3484681 (1969-12-01), Grady, Jr. et al.
patent: 3727074 (1973-04-01), Keller et al.
patent: 3805157 (1974-04-01), Acks et al.
patent: 4204162 (1980-05-01), Froidevaux
patent: 4377787 (1983-03-01), Kikuoka et al.
patent: 4677363 (1987-06-01), Kopmann
patent: 4679000 (1987-07-01), Clark

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