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:
May. 01, 2012
Filed:
Jan. 21, 2011
Applicants:
Takeshi Takamiya, Iruma, JP;
Yoshimasa Aoyama, Hamura, JP;
Inventors:
Takeshi Takamiya, Iruma, JP;
Yoshimasa Aoyama, Hamura, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, a memory controller comprises a counter and a setting module. The counter is configured to count the number of valid pages in a block includes a page to be invalidated, when data is written in a nonvolatile memory. The setting module is configured to set the block as an object of compaction when the number of valid pages counted by the counter is smaller than a predetermined number.