Circuit for turning off charging function to a battery of a...

Details Circuit for turning off charging function to a battery of a... Circuit for turning off charging function to a battery of a...

2008-01-01

2008-01-01

Du, Thuan (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Having power source monitoring

C320S155000

Reexamination Certificate

active

07315955

ABSTRACT:
A power supply circuit for a computer system includes an AC adapter designed to be connectable to the computer system and supplying power to the system, a main battery and a second battery that are designed to be connectable to the computer system and get charged with power from the AC adapter and then discharge it to supply power to the system, a charger that is a charging circuit for the main battery and/or the second battery while the main battery and/or the second battery is connected to the AC adapter with the computer system powered off, and a gate array circuit for turning off the power supply to an embedded controller.

REFERENCES:
patent: 6657415 (2003-12-01), Saeki et al.
patent: 6928568 (2005-08-01), Breen et al.
patent: 7003679 (2006-02-01), Lesea et al.
patent: 11-187665 (1999-07-01), None
patent: 2000-122756 (2000-04-01), None
patent: 2000-137684 (2000-05-01), None
patent: 2002-351585 (2002-12-01), None

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