Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1996-06-14
1998-09-15
Sheikh, Ayaz R.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
395375, 361 90, 364200, 364707, 364492, G06F 130
Patent
active
058093117
ABSTRACT:
In a computer system having a plurality of electronic subsystems therein adapted to receive main electrical power from an interruptible main power supply, ones of the electronic subsystems being designated as critical to retention of user data in the computer system in an event of interruption of the electrical power from the main power supply, a backup power subsystem and method for controllably delivering backup electrical power to the ones of the electronic subsystems. The subsystem comprises: (1) a central electrical power storage cell having a particular capacity and adapted to be maintained in a constantly charged state, (2) a backup electrical power bus coupled to the central electrical power storage cell and adapted to be selectively coupled to selected ones of the electronic subsystems and (3) a backup power management controller adapted to couple the backup electrical power bus to the selected ones of the electronic subsystems.
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Dell U.S.A. L.P.
Sheikh Ayaz R.
Thlang Eric S.
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