Static information storage and retrieval – Read/write circuit – Data refresh
Reexamination Certificate
2011-01-11
2011-01-11
Luu, Pho M (Department: 2824)
Static information storage and retrieval
Read/write circuit
Data refresh
C365S189040, C365S230050
Reexamination Certificate
active
07869298
ABSTRACT:
A system for determining a relative amount of usage of a data retaining device are disclosed. A charge storing device is coupled to a data retaining device in a manner that a use of the data retaining device triggers a charging of the charge storing device. In a period that the data retaining device idles, charges in the charge storing device decay due to natural means. As such, a potential of the charge storing device may be used to indicate an amount of usage of the data retaining device. A comparison of the potentials of two charge storing devices coupled one-to-one to two data retaining devices may be used as a basis to determine a relative amount of usage of each of the two data retaining devices comparing to the other.
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Bernstein Kerry
Goodnow Kenneth J.
Ogilvie Clarence R.
Ventrone Sebastian T.
Williams Keith R.
Cain David A.
Hoffman Warnick LLC
International Business Machines - Corporation
Luu Pho M
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