Preservation system for volatile memory with nonvolatile backup memory

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United States of America Patent

PATENT NO 5519663
SERIAL NO

08314158

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Abstract

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In a preservation system for a volatile memory associated with a nonvolatile memory, an energy storage portion accumulates energy while power is provided normally. When a power outage occurs, the stored energy is supplied to the volatile memory. Enough backup power is stored to accommodate the vast majority of unintentional interruptions of power. Eventually, after removal of external power, when the backup power decreases to a predetermined amount, data in the volatile memory is transferred to the nonvolatile memory. The preferred use for the preservation system is in an environment with vibration and/or power switching transients that affect the supply of power, such as an aircraft.

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Patent Owner(s)

Patent OwnerAddress
SCI SYSTEMS INC2109 WEST CLINTON AVENUE HUNTSVILLE AL 35805

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cole, Larry J Huntsville, AL 1 72
Harper, Jr James D Hazel Green, AL 1 72

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