Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate
2007-11-27
2011-10-18
Barnie, Rexford (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
C307S082000, C363S065000, C363S131000
Reexamination Certificate
active
08039989
ABSTRACT:
An apparatus, system, and method are disclosed for a low cost multiple output redundant power supply. Disclosed is a power supply that includes a primary stage for regulating voltage on an internal bus. The power supply includes a first regulator stage and a second regulator stage connected to the internal bus. The first regulator stage regulates voltage on a bus configured to connect to a first system. The second regulator stage regulates voltage on a bus configured to connect to a second system. The each regulator stage continues to operate in the event the other regulator stage is not operating. A disconnecting means is connected between the primary stage and the each regulator stage for isolating the failed regulator stage from the other regulator stage and the primary stage.
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Chung Chu T.
Dishman Cecil C.
Malik Randhir S.
Barnie Rexford
Fauth Justen
International Business Machines - Corporation
Kunzler Needham Massey & Thorpe
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