Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1993-09-29
1996-01-02
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 40, H01M 1046
Patent
active
054811775
ABSTRACT:
A charging system has an input terminal, coupled to a power source, and an output terminal coupled to the load or battery under charge. The charging system includes an adjustable regulator having an input coupled to the input terminal and an output coupled to the output terminal with its control terminal under control of controller circuitry. The controller circuitry senses the state of charge of the load and provides a controlled, tapered charge thereto until such time that the load is fully charged. At the fully charged state, the controller changes the voltage at the control terminal of the regulator to cease all charging. Charging does not continue until the sensed level of charge of the battery drops to a predetermined recharge state at which point charger activity continues. The disclosed charger can be housed in a small, light weight enclosure and mounted at a location close to the battery with permanent connections thereto. The power source may be provided as a wall mount transformer having an interconnection to the remotely located charger.
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Tso Edward
Wong Peter S.
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