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. 17, 2012

Filed:

May. 30, 2008
Applicants:

Tatsuo Hirose, Hamura, JP;

Hidehito Izawa, Hanno, JP;

Inventors:

Tatsuo Hirose, Hamura, JP;

Hidehito Izawa, Hanno, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, a data refresh apparatus which refreshes data stored in a storage device having storage areas, comprises an error detector configured to detect a number of errors of data stored in a storage area of the storage device, an error correction unit configured to execute an error correction for the data stored in the storage area and generate corrected data, a refresh unit configured to write the corrected data to one of the storage areas, and a refresh controller configured to control an operation cycle of the refresh unit according to a number of times of write operations with respect to the storage area.


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