Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1994-07-22
1996-08-27
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
336DIG2, H01M 1046
Patent
active
055504523
ABSTRACT:
The induction charging apparatus has a power source unit and a device unit which can be detachably coupled to the power source unit. The power source unit has a first casing having one end opened, a primary coil provided in the first casing, an oscillator for supplying an alternating current to the primary coil to generate magnetic fluxes, and a depressible member movably provided and closing the open end of the first casing. The depressible member is movable between a lift position at which the magnetic fluxes are substantially located under the depressible member, and a depressed position at which portions of the magnetic fluxes are substantially located over the depressible member. The device unit has a second casing having one end detachable to the open end of the first casing, a secondary coil provided in the second casing and adjacent to the one end, and rechargeable battery provided in said second casing for receiving power from the secondary coil. When the second casing is attached to the first casing, the depressible member is moved to the depressed position to electromagnetically couple the primary and secondary coils.
REFERENCES:
patent: 3938018 (1976-02-01), Dahl
patent: 5070293 (1991-12-01), Ishii et al.
patent: 5159256 (1992-10-01), Mattinger et al.
patent: 5216402 (1993-06-01), Carosa
patent: 5327065 (1994-07-01), Bruni et al.
patent: 5461299 (1995-10-01), Bruni
Hiroshige Eiichi
Kubo Koichi
Shirai Ichiro
Yamagami Hitoshi
Kyushu Hitachi Maxell, Ltd.
Nintendo Co. Ltd.
Tso Edward
Wong Peter S.
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