Electronic device, detection circuit and voltage control method

Details Electronic device, detection circuit and voltage control method Electronic device, detection circuit and voltage control method

2009-03-27

2011-10-11

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S266000, C323S284000, C363S016000, C363S146000

Reexamination Certificate

active

08035367

ABSTRACT:
A voltage control method includes producing an error signal based on a difference between a reference signal and an adaptor voltage and an adaptor current corresponding to the adaptor voltage, regulating, based on the error signal, the adaptor voltage, comparing a reference voltage to a voltage proportional to a potential corresponding to an identifying voltage corresponding to the adaptor voltage, detecting, based on the comparison result, whether or not a couplable external power source is suitable, and setting based, on the detection result, a potential corresponding to the identifying voltage.

REFERENCES:
patent: 7550951 (2009-06-01), Lai et al.
patent: 7888919 (2011-02-01), Dishman et al.
patent: 7903439 (2011-03-01), Oettinger et al.
patent: 2002-078228 (2002-03-01), None
patent: 3428955 (2003-05-01), None

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