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:
Oct. 15, 2013
Filed:
May. 22, 2009
Kwang Soo Seol, Yongin-si, KR;
Sung Ii Park, Suwon-si, KR;
Kyoung Lae Cho, Yongin-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
An error correction apparatus, a method thereof, and a memory device including the apparatus are provided. The error correction apparatus may include: a determination unit configured to determine whether a number of errors in a read word being read and extracted from a multi-level cell (MLC) exists in an error correcting capability range; a read voltage control unit configured to either increase or decrease a read voltage applied to the MLC when the number of errors in the read word is outside the error correcting capability range; and a codeword determination unit configured to analyze a bit error based on the increase or decrease of the read voltage, and to select a codeword corresponding to the analyzed bit error based on a selected read error pattern. Through this, it may be possible to efficiently correct a read error that occurs when the data of the memory device is maintained for a long time.