Electronic device, and system for DC voltage conversion

Details Electronic device, and system for DC voltage conversion Electronic device, and system for DC voltage conversion

2007-11-20

2010-10-19

Fureman, Jared J (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

C307S048000, C307S064000

Reexamination Certificate

active

07816812

ABSTRACT:
An electronic device includes: a first input terminal to which a first DC supply voltage of a fuel cell system having a controllable supply voltage is provided; a second input terminal to which a second DC supply voltage of a rechargeable secondary battery is provided; a DC voltage conversion circuit which receives the first and second DC supply voltages from the first and second input terminals, and supplies a current of a desired voltage to a load; a charging circuit which receives the first DC supply voltage from the first input terminal, and supplies a DC supply voltage for charging to the second input terminal; and a control circuit which determines a desired value of the first DC supply voltage in accordance with a value of the second DC supply voltage of the secondary battery, and provides the determined desired value to the fuel cell system.

REFERENCES:
patent: 6628011 (2003-09-01), Droppo et al.
patent: 2005/0068002 (2005-03-01), Ozeki
patent: 2006/0029846 (2006-02-01), Konoto et al.
patent: 2007/0009770 (2007-01-01), Takada et al.
patent: 2008/0157918 (2008-07-01), Black et al.
patent: 1893216 (2007-01-01), None
patent: 2006-073503 (2006-03-01), None

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