Method and apparatus for powering electronic circuits

Details Method and apparatus for powering electronic circuits Method and apparatus for powering electronic circuits

2007-09-25

2007-09-25

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Diverse or unlike electrical characteristics

C307S011000, C307S065000, C307S085000

Reexamination Certificate

active

11027904

ABSTRACT:
A method and apparatus for powering an electronic circuit use comparators of supply voltages and voltage regulators to facilitate powering the electronic circuit utilizing more than one supply voltage. In one embodiment, power supplies of step-up power units are controlled using comparators of step-down power units and the step-up power units temporarily provide power to accidentally disabled of step-down power units.

REFERENCES:
patent: 5131040 (1992-07-01), Knapczyk
patent: 5939801 (1999-08-01), Bouffard et al.
patent: 6057607 (2000-05-01), Rader et al.
patent: 6064125 (2000-05-01), Stendardo et al.
patent: 6969981 (2005-11-01), Fairbanks et al.

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