The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2009
Filed:
Jul. 28, 2008
Kerry Bernstein, Underhill, VT (US);
Kenneth J. Goodnow, Essex Junction, VT (US);
Clarence R. Ogilvie, Huntington, VT (US);
Sebastian T. Ventrone, South Burlington, VT (US);
Keith R. Williams, Essex Junction, VT (US);
Kerry Bernstein, Underhill, VT (US);
Kenneth J. Goodnow, Essex Junction, VT (US);
Clarence R. Ogilvie, Huntington, VT (US);
Sebastian T. Ventrone, South Burlington, VT (US);
Keith R. Williams, Essex Junction, VT (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system, method and program product for determining a history state of data in a data retaining device are disclosed. A state of a partially-depleted silicon-on-insulator (PD SOI) device coupled to a data retaining device is measured to indicate a body voltage of the PD SOI device. The body voltage of the PD SOI device may indicate, among others, how long the PD SOI device has been idling, which indirectly indicates how long data in the data retaining device has not been accessed. As such, the current invention may be used efficiently with, e.g., a cache replacement algorithm in a management of the data retaining device.