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. 06, 2003
Filed:
Oct. 27, 1999
Applicant:
Inventor:
Toshiro Hattori, Tokyo, JP;
Assignee:
TDK Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/596 ;
U.S. Cl.
CPC ...
G11B 5/596 ;
Abstract
A positioning control device is provided which is capable of avoiding the limit cycle in which the head moves back and forth between two dead zones on both sizes of the center of the target track. When a magnetic head is in the dead zone and the head position is separated from the center of the target track, the center position of the dead zone is set as the head position.