Battery charging device for mobile phone

Details Battery charging device for mobile phone Battery charging device for mobile phone

1998-10-01

2000-05-02

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Charger inductively coupled to cell or battery

H01M 1046

Patent

active

060576685

ABSTRACT:
Disclosed is a charging device for mobile phone wherein the battery can be charged by a secondary coil with current induced from a primary coil in a charging stage. The inventive charging device use magnetic induction, rather than metal contact, to transfer electrical energy to battery, therefore, the poor-contact problem in prior art can be prevented and the alignment tolerance between battery and charging device can be enhanced.

REFERENCES:
patent: 4496896 (1985-01-01), Melocik et al.
patent: 4654573 (1987-03-01), Rough et al.
patent: 5654621 (1997-08-01), Seelig
patent: 5656923 (1997-08-01), Schultz et al.
patent: 5889384 (1999-03-01), Hayes et al.

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