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:
Jan. 11, 2011
Filed:
Apr. 17, 2007
Applicant:
Takuma Mitsunaga, Tokyo, JP;
Inventor:
Takuma Mitsunaga, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
When a free physical block where data is to be written is searched for, a search process for searching for a pair of free physical blocks is first executed using a free physical block search table. Detection of a free non-pair good block is executed only when a pair of free physical block is not detected in the search process using the free physical block search table. When there is a free physical block, two-plane write is executed. When there is no pair of free physical blocks, data is written in an adequately combined non-pair good blocks.