Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1990-01-24
1991-07-02
Stephan, Steven L.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 23, 320 35, 320 39, H02J 710
Patent
active
050292668
ABSTRACT:
A battery charging system incorporating a unijunction relaxation oscillator circuit and an electronic current limiting control circuit for de-energizing the relaxation oscillator circuit when the battery charging current exceeds a certain minimum value. The system preferably also includes a voltage control circuit and a temperature control circuit all of which are connected in parallel with the electronic current limiting control circuit in order to de-energize the relaxation oscillator circuit when the respective voltage and temperature of the system exceeds certain predetermined minimum values. The electronic current limiting control circuit, the voltage control circuit and the temperature control circuit are included in corresponding solid state integrated circuits.
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Lackey Harrington A.
Peckman Kristine
Perma-Charger, Inc.
Stephan Steven L.
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