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.

Date of Patent:
Apr. 14, 2015

Filed:

Dec. 13, 2010
Applicants:

Brian D. Hatfield, Tucson, AZ (US);

Wenjeng Ko, Tucson, AZ (US);

Lei Liu, Tucson, AZ (US);

Inventors:

Brian D. Hatfield, Tucson, AZ (US);

Wenjeng Ko, Tucson, AZ (US);

Lei Liu, Tucson, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/14 (2006.01); G06F 12/10 (2006.01);
U.S. Cl.
CPC ...
G06F 12/145 (2013.01); G06F 12/10 (2013.01);
Abstract

A system includes a memory device including a real memory and a tracking mechanism configured to track relationships between multiple virtual memory addresses and real memory. The system further includes a processor configured to perform the below method and/or execute the below computer program product. One method includes mapping a first virtual memory address to a real memory in a memory device and mapping a second virtual memory address to the real memory. Here, the first virtual memory address is authorized to modify data in the real memory and the second virtual memory address is not authorized to modify the data in the real memory. One computer storage medium includes a computer program product for performing the above method.


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