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. 16, 2025

Filed:

Sep. 09, 2024
Applicants:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;

Inventor:

Takuji Matsuzawa, Kashiwa Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/56 (2006.01); G11B 5/012 (2006.01); G11B 5/55 (2006.01);
U.S. Cl.
CPC ...
G11B 5/5578 (2013.01); G11B 5/012 (2013.01); G11B 5/556 (2013.01);
Abstract

According to one embodiment, a magnetic disk drive includes rotatable disks, heads, microactuators, a voice coil motor (VCM), and a control system, wherein the control system determines a final set of heads of target for simultaneously positioned on their respective target tracks from among the heads, by using at least a displacement amount of the microactuators, determines a target position of the VCM when the heads in the final set are simultaneously positioned on their respective target tracks, switches a controller of the VCM when the heads in the final set are simultaneously positioned on their respective target tracks, and switches controller of the microactuators included in each of the heads in the final set.


Find Patent Forward Citations

Quick Actions:

Matsuzawa, Takuji. (2025). Magnetic disk drive (U.S. Patent No. 12417783). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12417783

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…