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. 14, 2009
Filed:
Jul. 10, 2006
Arun Balakrishnan, Lafayette, CO (US);
John Vanlaanen, Louisville, CO (US);
Leo Lopez, Northglenn, CO (US);
John Shaw, Thornton, CO (US);
Bruce D. Buch, Westborough, MA (US);
Claud L. Blevins, Westminster, CO (US);
Arun Balakrishnan, Lafayette, CO (US);
John VanLaanen, Louisville, CO (US);
Leo Lopez, Northglenn, CO (US);
John Shaw, Thornton, CO (US);
Bruce D. Buch, Westborough, MA (US);
Claud L. Blevins, Westminster, CO (US);
Maxtor Corporation, Scotts Valley, CA (US);
Abstract
A disk drive having reduced electromagnetic emission quasi-peaks is provided. The repetition rate of servo blocks or data is reduced, spread or otherwise altered. In one embodiment, the number of data zones is increased to achieve an emissions reduction goal. In one embodiment, the disk drive is configured to effectively have one track per zone. In one embodiment, the rotation rate of the disk is varied or the effective data bit density, as detected by the read/write head, is otherwise varied. In one embodiment, servo-sectors are intentionally positioned to vary the length, along the track, of inter-servo intervals.