Battery voltage warning device

Details Battery voltage warning device Battery voltage warning device

1989-12-02

1990-07-24

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

320 48, 324429, 340636, G01N 2746

Patent

active

049437771

ABSTRACT:
A battery voltage condition indicator in which the battery voltage is periodically sampled and a warning indication is given if the battery voltage falls below a predetermined relatively high value for relatively short periods of time or a predetermined higher voltage value for longer periods of times. In addition, a warning signal is also given in the event an open circuit occurs.

REFERENCES:
patent: 3673588 (1972-06-01), Riff
patent: 4193025 (1980-03-01), Frailing et al.
patent: 4290109 (1981-09-01), Taniguchi et al.
patent: 4361809 (1982-11-01), Bil et al.
patent: 4423378 (1983-12-01), Marino et al.
patent: 4659994 (1987-04-01), Poljak
patent: 4803459 (1989-02-01), Ta

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