Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2009-12-07
2011-11-22
Lohn, Joshua (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S721000
Reexamination Certificate
active
08065562
ABSTRACT:
Power-backup capabilities are provided by implementing a variety of different methods, systems and devices. According to one such implementation, a capacitive storage circuit is operated at a threshold voltage that is set to provide sufficient power to operate backup functions of a data storage device, and that is further selectively adjusted during a test period to maintain such sufficient power while also providing power to carry out test functions. In other implementations, the threshold voltage is set in response to operating characteristics of one or more of a data storage device to which backup power is to be provided and the capacitive storage circuit itself. The threshold voltage is reduced or otherwise maintained at a low level that is yet sufficient to supply appropriate power (e.g., thus maintaining the capacitive circuit at a voltage level that is about as low as possible, which can enhance operational characteristics of the capacitive circuit).
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Johnston Darren Edward
Wilson Dean Clark
Crawford & Maunu PLLC
Lohn Joshua
Seagate Technology LLC
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