Power supply circuit including stably operating voltage...

Details Power supply circuit including stably operating voltage... Power supply circuit including stably operating voltage...

2007-09-18

2007-09-18

Sherry, Michael (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

C368S084000, C368S242000

Reexamination Certificate

active

10842566

ABSTRACT:
A power supply circuit is constructed by a step-up circuit for receiving an input DC voltage to generate a plurality of output DC voltages, and a plurality of voltage regulators, each powered by two voltages selected from a combination of the output DC voltages and the ground voltage. The difference between the two voltages of each of the voltage regulators are substantially the same, to stably operate the voltage regulators.

REFERENCES:
patent: 4570115 (1986-02-01), Misawa et al.
patent: 5874850 (1999-02-01), Pulvirenti et al.
patent: 6960955 (2005-11-01), Nonaka
patent: 7019993 (2006-03-01), Vazquez Carazo
patent: 2001/0048295 (2001-12-01), Joch
patent: 2003/0057776 (2003-03-01), Takase et al.
patent: 2002-189454 (2002-07-01), None

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