Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1981-01-09
1983-05-24
Hickey, R. J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 20, 320 21, 320 35, H02J 710
Patent
active
043852696
ABSTRACT:
A battery charger is provided which supplies pulses of charging current to a battery and discharges the battery between each charging pulse. The change in the battery terminal voltage over a predetermined period during each charging pulse is measured, and the pulse charging is terminated when a parameter of the measured voltage change exhibits a predetermined characteristic. Pulse charging may be terminated as a result of the measured voltage change exceeding a predetermined threshold or as a result of the detection of a point of inflexion in the variation of measured voltage change with time.
REFERENCES:
patent: 3597673 (1971-08-01), Burkett et al.
patent: 3614583 (1971-10-01), Burkett et al.
patent: 3808487 (1974-04-01), Feuillade
patent: 3938021 (1976-02-01), Kosmin
patent: 4255698 (1981-03-01), Simon
Aspinwall John F.
Barrs Ronald A.
den Brinker Carl S.
Emmett John R.
Brown Laurence R.
Hickey R. J.
Redifon Telecommunications Limited
Thames Television Limited
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