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:
Nov. 19, 2013
Filed:
Jul. 01, 2011
Applicants:
Yukio Ishikawa, Kanagawa, JP;
Kenji Sakaue, Kanagawa, JP;
Inventors:
Yukio Ishikawa, Kanagawa, JP;
Kenji Sakaue, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03M 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory card according to an embodiment includes: a memory section having a binary storage area (SLC area) and a multi-value storage area (MLC area); an error correction section configured to correct an error of data stored in the MLC area; and an erasure correction section configured to store, in the SLC area, the position information on the multi-value memory cell storing the data having the error detected by the error correction section and configured to perform erasure correction on the basis of the position information.