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:
Jun. 04, 2013

Filed:

Feb. 01, 2008
Applicants:

Soichi Isono, Naka-gun, JP;

Minoru Tsukada, Hiratsuka, JP;

Tomoki Oura, Chigasaki, JP;

Koji Takahashi, Yokohama, JP;

Inventors:

Soichi Isono, Naka-gun, JP;

Minoru Tsukada, Hiratsuka, JP;

Tomoki Oura, Chigasaki, JP;

Koji Takahashi, Yokohama, JP;

Assignee:

Marvell World Trade Ltd., St. Michael, BB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 13/00 (2006.01); G11B 5/09 (2006.01);
U.S. Cl.
CPC ...
Abstract

A magnetic disk controller includes an error check code generating unit that generates error check codes associated with the encoded pieces of writing data; a first buffer that stores a first encoded piece of writing data and a first error check code associated with the first encoded piece; a second buffer that stores a second encoded piece of writing data and a second error check code associated with the second encoded piece; and a buffer control unit that, in a first period, substantially concurrently with a writing of the first encoded piece and the first error check code from the first buffer into a first sector of the magnetic disk, stores the second encoded piece and the second error check code into the second buffer.


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