Data remaining period management device and method

Data processing: measuring – calibrating – or testing – Measurement system – Statistical measurement

Reexamination Certificate

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C702S182000, C714S048000

Reexamination Certificate

active

08000927

ABSTRACT:
A remaining period management device according to an example of the invention includes a statistic calculation unit that measures sampling data associated with monitoring target data stored in a storage device having a finite data remaining period and calculates sampling statistical data based on a measurement result of the sampling data. The device also includes a remaining period detection unit that obtains remaining period data indicative of a data remaining period of the monitoring target data based on predetermined remaining period characteristic data indicative of a characteristic that statistical data varies with elapse of data remaining period and the sampling statistical data calculated by the statistic calculation unit.

REFERENCES:
patent: 6694460 (2004-02-01), Katayama et al.
patent: 7200523 (2007-04-01), Yeh et al.
patent: 2005/0193284 (2005-09-01), Yasuo
patent: 2005-221413 (2005-08-01), None
U.S. Appl. No. 12/391,583, filed Feb. 24, 2009, Sukegawa, et al.

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