Battery charging controller and portable electronic device

Details Battery charging controller and portable electronic device Battery charging controller and portable electronic device

2007-05-25

2010-11-30

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

Time control

C320S111000, C320S133000

Reexamination Certificate

active

07843172

ABSTRACT:
A battery charging controller according to the present invention controls battery charging in response to a charging-control signal sent from a CPU, and includes an starting controller which is started upon a detection of an insertion of an AC adapter, and which then starts a regulator at a predetermined timing by using a regulator control signal. The regulator is started upon a detection of the regulator control signal, and thereafter starts the CPU by using an starting signal. The CPU is started upon a detection of the starting signal.

REFERENCES:
patent: 5777399 (1998-07-01), Shibuya
patent: 5986437 (1999-11-01), Lee
patent: 6657415 (2003-12-01), Saeki et al.
patent: 6-133471 (1994-05-01), None

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