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.

Date of Patent:
Sep. 06, 2016

Filed:

Sep. 25, 2015
Applicant:

Western Digital Technologies, Inc., Irvine, CA (US);

Inventors:

Timothy A. Ferris, Mission Viejo, CA (US);

Jaesoo Byoun, Irvine, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/55 (2006.01);
U.S. Cl.
CPC ...
G11B 5/5565 (2013.01); G11B 5/5526 (2013.01);
Abstract

A data storage device is disclosed comprising a voice coil motor (VCM) and a secondary actuator configured to actuate a head over a disk. A control signal is applied to the secondary actuator while processing a sensor signal generated by the secondary actuator. A vibration signal is generated based on the sensor signal, wherein the vibration signal is a high-pass signal.


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