Electrical computers and digital processing systems: support – Computer power control – Power conservation
Reexamination Certificate
2006-06-06
2006-06-06
Browne, Lynne H. (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
Power conservation
C713S300000, C713S320000, C713S340000
Reexamination Certificate
active
07058835
ABSTRACT:
A circuit board includes a first circuit connected to a first power plane, a second circuit connected to a second power plane, and a power controller connected to the second power plane. The power controller connects the second power plane to a power subsystem such that the second circuit receives a main power signal through the second power plane while the power subsystem provides the main power signal to the first circuit through the first power plane. The power controller (i) detects a power failure event in which the power subsystem provides a backup power signal in place of the main power signal and, in response to the power failure event, (ii) disconnects the second power plane from the power subsystem such that the second circuit does not receive the backup power signal thus reducing backup power consumption.
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patent: 6044207 (2000-03-01), Pecone et al.
patent: 6262493 (2001-07-01), Garnett
patent: 6681335 (2004-01-01), Rice et al.
Sharma Navin
Sullivan Douglas
BainwoodHuang
Browne Lynne H.
EMC Corporation
Yanchus Paul
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