D.C. power supply circuit and electronic apparatus using...

Details D.C. power supply circuit and electronic apparatus using... D.C. power supply circuit and electronic apparatus using...

2005-05-17

2005-05-17

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S090000, C361S100000

Reexamination Certificate

active

06894882

ABSTRACT:
The present invention relates generally to D.C. power supplies and more particularly to overvoltage protection in one or more D.C. power supply circuits, where a plurality of D.C. power supplies may be connected together to supply power to an electronic system. In one embodiment a D.C. power supply circuit is provided which, when used with the plurality of D.C. power supply circuits connected in parallel, is capable of stopping only the power supply circuit having run into an overvoltage state with minimal effect on the other D.C. power supply circuits. Thus power to the load is continued.

REFERENCES:
patent: 4309748 (1982-01-01), Forro et al.
patent: 5659208 (1997-08-01), Kimble et al.
patent: 6301133 (2001-10-01), Cuadra et al.
Toshio, S., et al. “Synchronous Rectification System Non-Insulating Type DC/DC Converter,” Japanese patent abstract 11-187651; Jul. 9, 1999, pp. 5.
Yuichi, Y., et al. “Detection System for Overvoltage in Parallel Operation,” Japanese patent abstract 05-189065; Jul 30, 1993; pp. 10.

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