Protection against data corruption due to power failure in...

Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability

Reexamination Certificate

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Reexamination Certificate

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07409590

ABSTRACT:
A data preservation system for flash memory systems with a host system, the flash memory system receiving a host system power supply and energizing an auxiliary energy store therewith and communicating with the host system via an interface bus, wherein, upon loss of the host system power supply, the flash memory system actively isolates the connection to the host system power supply and isolates the interface bus and employs the supplemental energy store to continue write operations to flash memory.

REFERENCES:
patent: 5519831 (1996-05-01), Holzhammer
patent: 5907859 (1999-05-01), Shimada et al.
patent: 6336174 (2002-01-01), Li et al.
patent: 6480933 (2002-11-01), Cargemel et al.
patent: 6725397 (2004-04-01), Emberty et al.
patent: 7107480 (2006-09-01), Moshayedi et al.

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