Battery pack and charging system for a portable electronic devic

Details Battery pack and charging system for a portable electronic devic Battery pack and charging system for a portable electronic devic

1996-12-06

1998-03-31

Tso, Edward

Electricity: battery or capacitor charging or discharging

Means to identify cell or battery type

D13107, H01M 1046

Patent

active

057342547

ABSTRACT:
A battery pack, adapter and integrated charging system for charging a battery pack of the type used in a portable electronic device such as a notebook computer, a cellular telephone, etc. The battery pack includes a battery coupled through a power converter to a secondary transformer winding. A communication link is provided to the adapter which includes control logic and a power selector. The adapter may be configured to provide DC or AC power to charge a portable electronic device and the processor of a portable electronic device may be used to control charging of an external battery pack.

REFERENCES:
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patent: 4998055 (1991-03-01), Nash et al.
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patent: 5206097 (1993-04-01), Burns et al.
patent: 5327067 (1994-07-01), Scholder
patent: 5367242 (1994-11-01), Hulman
patent: 5455466 (1995-10-01), Parks et al.
patent: 5483437 (1996-01-01), Tang
patent: 5600225 (1997-02-01), Goto

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