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. 11, 2004
Filed:
Dec. 28, 2001
Applicant:
Inventors:
Paul Alexander Galloway, Prior Lake, MN (US);
Jianxu Ma, Singapore, SG;
ToaYou Tan, Singapore, SG;
LeokHwa Chua, Singapore, SG;
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/596 ;
U.S. Cl.
CPC ...
G11B 5/596 ;
Abstract
An apparatus and method of identifying defective servo sectors in a data storage device detects servo sectors having an associated position error signal (PES) value that exceeds a predetermined PES threshold value, as well as servo sectors that have a related transducer velocity signal that exceeds a predetermined velocity threshold value.