Control information backup system
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United States of America Patent
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Dec 17, 1996
Issued Date -
N/A
app pub date -
Jul 12, 1995
filing date -
Feb 10, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A control information backup system includes a control unit which is driven by a first power unit and includes a memory for storing software control information which is used during a software operation of the control unit, and a plurality of independent units which are coupled to the control unit and are controlled by the control unit. The independent units are driven by respective second power units which are different from the first power unit and include a memory. The control unit includes a processor for storing the software control information in the memory of arbitrary ones of the independent units, and for reading out the software control information from the memory when making a recovery process after a failure of the first power unit.
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