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:
Mar. 26, 2024
Filed:
Feb. 08, 2023
Stmicroelectronics Kk, Tokyo, JP;
Stmicroelectronics S.r.l., Agrate Brianza, IT;
Marco Ferrari, Voghera, IT;
Davide Betta, Barzano, IT;
Diego Tognoli, Tokyo, JP;
Roberto Trabattoni, Corbetta, IT;
STMicroelectronics S.r.l., Agrate Brianza, IT;
STMicroelectronics KK, Tokyo, JP;
Abstract
In accordance with an embodiment, a hard disk drive includes voice coil motors (VCMs) coupled to respective control units configured to drive retract an operation of the VCMs in the hard disk drive. The retract operation of the VCMs includes a sequence of retract steps. The control units are allotted respective time slots for communication over a communication line with the respective time slots synchronized via the common clock line, and are configured to drive sequences of retract steps of the VCMs in the hard disk drive in a timed relationship.