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. 26, 2020
Filed:
Jun. 18, 2019
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventors:
Peng Huang, Lake Forest, CA (US);
Toshihisa Kiyonaga, San Jose, CA (US);
Masahito Kobayashi, Ibaraki, JP;
Hiroaki Sakuma, Kanagawa, JP;
Assignee:
Western Digital Technologies, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/596 (2006.01); G05B 19/414 (2006.01);
U.S. Cl.
CPC ...
G11B 5/59627 (2013.01); G05B 19/414 (2013.01); G11B 5/59622 (2013.01); G11B 5/59688 (2013.01); G11B 5/59694 (2013.01);
Abstract
A data storage device is disclosed comprising a disk comprising servo data, a spindle motor configured to rotate the disk, and a head actuated over the disk. A position error signal (PES) is generated based on the servo data, and the head is actuated over the disk based on the PES. While swinging a speed of the spindle motor, the swinging is disabled based on the PES.