Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate
2005-03-07
2008-09-09
Sherry, Michael J (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
Reexamination Certificate
active
07423355
ABSTRACT:
The present invention constructs a flexible power supply backup system corresponding to electronic devices (apparatuses) at low cost, and realizes reliable operation of the apparatuses. There is provided a power controller1that controls power of an apparatus100provided with a backup power supply for power supply, which includes a power failure state determination unit21that determines the power failure state of the power supply, a power supply installation state determination unit22that determines the installation state of the backup power supplies3, 7, etc. installed in the apparatus100, and a power control unit23that, in case the power failure state is determined by the power failure state determination unit21, controls power using the backup power supply based on determination result by the power failure state determination unit21and determination result by the power supply installation state determination unit22.
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Fujitsu Limited
Rutland Wallis Michael
Sherry Michael J
Staas & Halsey , LLP
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