Charging apparatus with contact end sliding in accordance with w

Details Charging apparatus with contact end sliding in accordance with w Charging apparatus with contact end sliding in accordance with w

1997-06-27

1998-11-03

Tso, Edward

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For battery pack

320115, H01M 1044, H01M 1046

Patent

active

058314148

ABSTRACT:
In a charging apparatus, a constant current circuit has a plurality of output terminals for supplying charging current with a plurality of current values, respectively. A plurality of contact pads connected to the output terminals of the constant current circuit. A conductive elastic lead has one of ends which slides in response to installation of a secondary battery in the case to contact one of the plurality of contact pads. Thus, a portion of the conductive elastic lead is connected to the secondary battery to supply the charging current from the constant current circuit to the secondary battery via the contacting one of the plurality of contact pads.

REFERENCES:
patent: 4578628 (1986-03-01), Siwiak
patent: 5283511 (1994-02-01), Keener et al.
patent: 5473242 (1995-12-01), McKenna
patent: 5506488 (1996-04-01), Leisgrson
patent: 5686810 (1997-11-01), Yasui

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