Household and onboard vehicle power outlet-based battery charger

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries

Patent

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Details

320 15, H02J 700, H01M 1046

Patent

active

052569551

ABSTRACT:
A battery charger for use with a portable telephone set and capable of charging both a battery pack mounted on the telephone set and a battery pack as a discrete unit. The case of the battery charger comprises a concave portion on the top thereof, a first convex portion at one end of the top and a second convex portion at the other end of the top. The concave portion of the top engages with a convex portion of the first battery pack. The first convex portion engages with a concave portion of the portable telephone set. The second convex portion engages with a concave portion common to the first battery pack and the second battery pack. Inside the case is a printed circuit board having charging circuits. A pair of charging terminals electrically connected to the charging circuits protrude from the case top. The battery charger further includes a battery pack holder removably attached to the case, the holder holding the battery pack from above to prevent its dislodging from the case.

REFERENCES:
patent: 5028859 (1991-07-01), Johnson et al.
patent: 5052943 (1991-10-01), Davis
patent: 5162719 (1992-11-01), Tomura et al.
patent: 5189358 (1993-02-01), Tomura et al.

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