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:
Sep. 09, 2008
Filed:
Nov. 01, 2006
Applicants:
Hideo Sado, Ome, JP;
Masahide Yatsu, Akishima, JP;
Masafumi Iwashiro, Ome, JP;
Shouji Nakajima, Kodaira, JP;
Seiji Mizukoshi, Nishitama-gun, JP;
Shinichiro Kouhara, Hino, JP;
Inventors:
Hideo Sado, Ome, JP;
Masahide Yatsu, Akishima, JP;
Masafumi Iwashiro, Ome, JP;
Shouji Nakajima, Kodaira, JP;
Seiji Mizukoshi, Nishitama-gun, JP;
Shinichiro Kouhara, Hino, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/596 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, in a disk drive using a disk medium storing spiral servo information, a CPU generates virtual servo information having assumed virtual track centers corresponding to centers of concentric data tracks. The CPU performs control to position a head to the center of the concentric data track by using the virtual servo information.