Battery pack and charging device

Details Battery pack and charging device Battery pack and charging device

1996-12-12

1998-10-20

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With detection of current or voltage amplitude

320112, H01M 1044

Patent

active

058251618

ABSTRACT:
When a reference potential is loaded to a pair of lead wires connected via a resistor having a resistance value corresponding to a specified battery capacity, a partial potential is obtained through a serial circuit comprising the resistor above, a diode, and another resistor, and a collector current for transistors is adjusted according to a relation between the partial potential and the resistor. As a result, a current value of the charging current supplied from a charger to a battery pack is controlled, and a charging operation for a charging time allocated by a microcomputer to standard charging or fast charging is insured.

REFERENCES:
patent: 5111128 (1992-05-01), Branan, Jr. et al.
patent: 5164652 (1992-11-01), Johnson et al.
patent: 5191277 (1993-03-01), Ishikura et al.
patent: 5332957 (1994-07-01), Lee
patent: 5371453 (1994-12-01), Fernandez
patent: 5576610 (1996-11-01), Patino et al.
patent: 5608306 (1997-03-01), Rybeck et al.
patent: 5627449 (1997-05-01), Fujiki

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