Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2007-10-03
2011-11-15
Baderman, Scott (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S024000, C714S006100
Reexamination Certificate
active
08060781
ABSTRACT:
A data processing apparatus which saves data in a volatile memory into a nonvolatile memory when power is off, the data processing apparatus including:a detecting circuit for outputting a momentary interruption detecting signal when a power source voltage is below a first threshold voltage, and a power failure detecting signal when the power source voltage is below a second threshold voltage that is lower than the first threshold voltage; anda control section adapted to start saving of the data in the volatile memory into the nonvolatile memory when the detecting circuit has output the momentary interruption detecting signal, continue save of the data, and carry out a predetermined shutdown processing when the detecting circuit has output the power failure detecting signal after the detecting circuit has output the momentary interruption detecting signal.
REFERENCES:
patent: 6944286 (2005-09-01), Nossing
patent: 2002/0156983 (2002-10-01), Jones et al.
patent: 2004/0078663 (2004-04-01), Inaba
patent: 2004/0193955 (2004-09-01), Leete et al.
patent: 2007/0174698 (2007-07-01), Bailey et al.
patent: 2008/0229161 (2008-09-01), Lee et al.
Eguchi Munetoshi
Ishikawa Tetsuya
Moromizato Nao
Nishimura Hiroyasu
Ogawa Tomoya
Baderman Scott
Butler Sarai
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Konica Minolta Business Technologies Inc.
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