Architecture for switching between an external and internal...

Details Architecture for switching between an external and internal... Architecture for switching between an external and internal...

2005-11-29

2005-11-29

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

06969972

ABSTRACT:
The present invention comprises a combination of a new circuit topology utilizing microcontroller (202, 302) and a modified logic control circuit which enables the replacement of a Schottky diode, commonly used in series with AC adapter, by a MOS transistor switch (212, 312) to implement airline mode operation of a system, with the added benefits of more efficient power dissipation and minimization of sparking or arcing at the power input terminal.

REFERENCES:
patent: 5604655 (1997-02-01), Ito
patent: 6288522 (2001-09-01), Odaohhara et al.
patent: 6329796 (2001-12-01), Popescu
patent: 6465984 (2002-10-01), Fukuoka et al.
patent: 6566766 (2003-05-01), Matsuda et al.

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