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:
Jan. 06, 2026
Filed:
Nov. 21, 2023
Western Digital Technologies, Inc., San Jose, CA (US);
Sandy Xianghui Xiao, San Diego, CA (US);
WESTERN DIGITAL TECHNOLOGIES, INC., San Jose, CA (US);
Abstract
Various illustrative aspects are directed to a data storage device, method, and one or more processing devices that are configured to: generate an expected oscillation spectrum associated with a band of the selected disk; detect oscillation abnormality of the selected head based on comparing an actual oscillation spectrum associated with a data sector in the band to the expected oscillation spectrum associated with the band, wherein the data sector includes data written by the selected head; and perform a remediation action in response to detecting oscillation abnormality of the selected head.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile