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. 16, 2013

Filed:

Apr. 12, 2010
Applicants:

Yong June Kim, Seoul, KR;

Heeseok Eun, Hwaseong-si, KR;

Han Woong Yoo, Seoul, KR;

Jaehong Kim, Seoul, KR;

Hong Rak Son, Anyang-si, KR;

Inventors:

Yong June Kim, Seoul, KR;

Heeseok Eun, Hwaseong-si, KR;

Han Woong Yoo, Seoul, KR;

Jaehong Kim, Seoul, KR;

Hong Rak Son, Anyang-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The storage device includes a storage unit configured to store data, an error controlling unit configured to correct an error of the data read out from the storage unit according to at least one read level, and a read level controlling unit configured to control the at least one read level when the error is uncorrectable. The read level controlling unit is configured to measure a distribution of memory cells of the storage unit, configured to filter the measured distribution, and configured to reset the at least one read level based on the filtered distribution.


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