Method of operating hard disk drives, corresponding hard disk drive and processing device
US11942113B2 · kind B2 · utility
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2References
22Claims
0Family size
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Key dates
| Filing date | Feb 8, 2023 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Feb 8, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B21/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.