Charge detecting apparatus

Details Charge detecting apparatus Charge detecting apparatus

1991-03-21

1992-06-30

Stephan, Steven L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 48, H02J 704

Patent

active

051266490

ABSTRACT:
A charge detecting apparatus for detecting completion of charging of a secondary battery using electrolyte. Bubbling sounds produced inside the secondary battery being charged are detected outside a container of the battery and converted into a quantity of electricity. A charge completion signal is output when the quantity of electricity reaches a predetermined reference level.

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patent: 4034279 (1977-07-01), Nilsson
patent: 4366431 (1982-12-01), Santini
patent: 4388583 (1983-06-01), Krueger
patent: 4551667 (1985-11-01), McAuliffe

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