Rechargeable battery pack and charging stand for charging the re

Details Rechargeable battery pack and charging stand for charging the re Rechargeable battery pack and charging stand for charging the re

1998-07-20

2000-03-21

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Charger inductively coupled to cell or battery

320112, H01M 1046

Patent

active

060406801

ABSTRACT:
A battery pack having at least one rechargeable battery and a secondary coil, which is electromagnetically coupled to a primary coil contained inside of a charging stand. The battery pack also includes a control circuit which controls electric power induced in the secondary coil for charging the rechargeable batteries. The secondary coil of the battery pack is positioned close to the bottom of a battery pack case with its center axis oriented along the elongated direction of the case. The charging stand contains the primary coil, which is located so as to be close to the secondary coil when the battery pack is mounted on the charging stand.

REFERENCES:
patent: 3414796 (1968-12-01), Henquet
patent: 3885211 (1975-05-01), Gutai
patent: 4031449 (1977-06-01), Trombly
patent: 4912391 (1990-03-01), Meadows
patent: 4942352 (1990-07-01), Sano
patent: 5550452 (1996-08-01), Shirai et al.
patent: 5734254 (1998-03-01), Stephens

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