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:
Feb. 01, 2011
Filed:
Oct. 30, 2008
Phase detector that compensates for frequency variation induced bias in phases of servo burst fields
Applicants:
Mustafa Can Ozturk, Bloomington, MN (US);
Richard Lyle Keizer, Minnetonka, MN (US);
Puskal Prasad Pokharel, Bloomington, MN (US);
Inventors:
Mustafa Can Ozturk, Bloomington, MN (US);
Richard Lyle Keizer, Minnetonka, MN (US);
Puskal Prasad Pokharel, Bloomington, MN (US);
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01); G11B 5/596 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a servo control loop, phase detection between a clock signal and servo burst fields on a movable storage media is carried out with compensation for the effects of frequency variation in the timing of servo burst fields.