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:
Apr. 04, 2006
Filed:
Jun. 05, 2003
Applicants:
Huaan Zhang, Eden Prairie, MN (US);
Alexei Sacks, Edina, MN (US);
Inventors:
Huaan Zhang, Eden Prairie, MN (US);
Alexei Sacks, Edina, MN (US);
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/02 (2006.01); G11B 5/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A data storage device for retrieving data includes a controllably positionable head and a storage medium having servo information comprising a phase pattern having a first frequency and a PES pattern having a second frequency, the second frequency being different from the first frequency.