Determining relative amount of usage of data retaining...

Details Determining relative amount of usage of data retaining... Determining relative amount of usage of data retaining...

2006-04-13

2008-07-08

Luu, Pho M. (Department: 2824)

Static information storage and retrieval

Read/write circuit

Data refresh

C365S189040, C365S230050

Reexamination Certificate

active

07397718

ABSTRACT:
A system, method and program product 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.

REFERENCES:
patent: 2007/0242507 (2007-10-01), Bernstein et al.

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