Power supply device and electric appliance employing the same

Details Power supply device and electric appliance employing the same Power supply device and electric appliance employing the same

2005-05-17

2005-05-17

Laxton, Gary L. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

Reexamination Certificate

active

06894470

ABSTRACT:
A power supply device has a reference voltage generator for generating a reference voltage, a monitor voltage generator for generating a monitor voltage that varies according to an output voltage, an output controller for producing the output voltage from an input voltage in such a way that the monitor voltage is kept equal to the reference voltage and then supplying the output voltage to a load, and a reference voltage adjuster for varying the reference voltage according to the monitor voltage. This makes it possible to reduce, with a simple configuration, variation in the output voltage resulting from variation in the power source or the load.

REFERENCES:
patent: 4489270 (1984-12-01), Diller
patent: 5231316 (1993-07-01), Thelen, Jr.
patent: 6366154 (2002-04-01), Pulvirenti
patent: 2000-047738 (2002-02-01), None

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