Battery discharge level detection circuit

Communications: electrical – Condition responsive indicating system – Specific condition

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Details

340661, 320 48, G08B 2100

Patent

active

042310261

ABSTRACT:
A circuit for detecting the discharge level of a long life battery, such as a lithium battery, in which the battery is periodically subjected to an increased load for short durations of time. The periodic increases in load allows the end of battery life to be predicted and detected prior to the time the battery is fully depleted. Forecasting the end of battery life ensures that the battery will have sufficient energy to reliably operate the discharge level detection circuitry before the battery is fully depleted.

REFERENCES:
patent: 4017724 (1977-04-01), Finger
patent: 4080560 (1978-03-01), Albert
patent: 4139846 (1979-02-01), Conforti

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