Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-02-15
1979-01-09
Corcoran, Robert J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
G01N 2742
Patent
active
041340604
ABSTRACT:
An apparatus for and method of monitoring a battery for faulty cells by comparing a pair of input voltages from respective groups of the cells to provide an output signal corresponding to a difference between the input voltages, which initiates an alarm signal when the voltage difference exceeds a predetermined value. To compensate for normal differences between the voltages, the relative magnitudes of the input voltages may be adjusted before the input voltages are compared.
REFERENCES:
patent: 2904748 (1959-09-01), Christie et al.
patent: 3599094 (1971-08-01), Pring
Corcoran Robert J.
Her Majesty the Queen in right of Canada as represented by the
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