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. 26, 2016

Filed:

Feb. 27, 2013
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Akinori Harasawa, Tokyo, JP;

Yoko Masuo, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 2212/7201 (2013.01);
Abstract

A memory system has a storage unit having two or more parallel read/write processing elements and non-volatile data recording areas for a logical block divided into a plurality of logical pages, and a control unit that generates log information for each unit of data written into the recording areas, determines for each logical page a log information recording area from a group of recording areas of the logical page, and controls the parallel operation elements to write the log information generated for a logical page into the log information recording area of the logical page and the data of the logical page into the other recording areas of the group of recording areas of the logical page.


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