Holdup time extender and inrush current eliminator for...

Details Holdup time extender and inrush current eliminator for... Holdup time extender and inrush current eliminator for...

2006-04-25

2006-04-25

Laxton, Gary L (Department: 2838)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

C307S048000

Reexamination Certificate

active

07034413

ABSTRACT:
The present invention is a method and system for supplementing power when a power supply has a power failure. An amount of inrush current produced upon resumption of input power is reduced. Supplemental power circuitry may include a rechargeable battery that may supply power during a power failure without generating a large inrush current when input power is regained. The period of time supplemental power may be provided is also increased.

REFERENCES:
patent: 4395639 (1983-07-01), Bring
patent: 4745299 (1988-05-01), Eng et al.
patent: 5115185 (1992-05-01), Fraidlin et al.
patent: 5909360 (1999-06-01), Lavin et al.
patent: 6504270 (2003-01-01), Matsushita
patent: 6819072 (2004-11-01), White et al.

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