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:
Jan. 26, 1993
Filed:
Jan. 30, 1992
Applicant:
Inventors:
Gerald L Weispfenning, St. Paul, MN (US);
Lloyd C Goss, Bloomington, MN (US);
Assignee:
Seagate Technology, Inc., Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 7708 ; 360 7705 ; 360135 ; 360 7814 ;
Abstract
A sector on a disk contains position information used to determine position error of a transducer over the disk. The sector has a normal field with a first side and a second side. The first side is oriented opposite the second side on the disk. A first quadrature field is located on the first side of the normal field and a second quadrature field is located on the second side of the normal field.