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. 20, 2025
Filed:
Mar. 11, 2024
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Ryo Kobayashi, Tokyo, JP;
Akio Mizuno, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
According to one embodiment, a magnetic disk device includes a disk, a head, a volatile buffer memory, a nonvolatile memory, a main power supply, and a control unit. The control unit includes a write processing unit, a management unit, a data protection processing unit, a counter, and a determination unit. When the determination unit determines that a difference has reached a threshold, the management unit returns write data of the volatile buffer memory, which is original data of write data of a track in which a count value becomes a maximum value among tracks, to a protection target.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile