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:
Aug. 26, 2003
Filed:
Apr. 30, 2001
Applicant:
Inventors:
Phat T. Nguyen, Laguna Niguel, CA (US);
Yoo H. Kim, Laguna Niguel, CA (US);
Albert W. Briggs, Newport Beach, CA (US);
Assignee:
Western Digital Technologies, Inc., Lake Forest, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 ; G11B 1/518 ; G11B 2/736 ;
U.S. Cl.
CPC ...
G11B 5/09 ; G11B 1/518 ; G11B 2/736 ;
Abstract
A disk drive is disclosed which calibrates at least one zone parameter in the field. During an active state of the disk drive, read errors are detected and corresponding entries are stored in an error list. During an off-line state, the error list is processed in order to calibrate at least one zone parameter.