Cell capacity detector

Details Cell capacity detector Cell capacity detector

1979-12-03

1982-03-23

Tokar, Michael J.

Electricity: measuring and testing

Electrolyte properties

Using a battery testing device

324429, G01N 2742

Patent

active

043215416

ABSTRACT:
A capacity detector of a cell used as a source of power for a watch, camera or any other portable implement, wherein a resistive load is connected in series through a switch; the switch is opened immediately after a prescribed length of time; a speed of the cell voltage restoration is calculated which is required for a cell voltage restored after the opening of the switch to be brought back to a prescribed reference level; and the remaining capacity of the cell is numerically determined from said calculated length of time.

REFERENCES:
patent: 2951199 (1960-08-01), Dawkins
patent: 3898790 (1975-08-01), Takamune et al.
patent: 4010456 (1977-03-01), Erni
patent: 4020414 (1977-04-01), Paredes
patent: 4024415 (1977-05-01), Matsuura
patent: 4037399 (1977-07-01), Chihara
patent: 4052717 (1977-10-01), Arnold et al.
patent: 4074515 (1978-02-01), Asano
patent: 4080560 (1978-03-01), Abert

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