UPS-computer system and method for initiating computer shutdown

Details UPS-computer system and method for initiating computer shutdown UPS-computer system and method for initiating computer shutdown

1989-11-13

1992-05-26

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

307 66, 365229, 371 66, H02H 324, H02H 720, H02J 700

Patent

active

051173247

ABSTRACT:
Method and apparatus for providing protected power to a computer. A computer monitors the terminal voltage and/or current of a battery supplying power to the computer and uses this information or data to determine when, in the event of failure of the AC utility normally supplying power to the computer, to initiate a pre-programmed automatic shutdown of the computer. The determination is based upon the estimated remaining charge of the battery and the total time required to close all active programs in an orderly fashion; thus allowing the computer to be restarted in a well-defined state.

REFERENCES:
patent: 4611289 (1986-09-01), Coppola
patent: 4675538 (1987-06-01), Epstein
patent: 4757505 (1988-07-01), Marrington et al.

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