Rotational vibration velocity-based sensor for disk drives
US6963463B2 · kind B2 · utility
13Cited by
13References
16Claims
0Family size
Assignee
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Key dates
| Filing date | May 24, 2002 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Jul 13, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/596
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk drive (HDD) subject to linear and rotational vibration, includes an independent sensing unit for sensing a rotational velocity component of the HDD rotational vibration in a predetermined frequency range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.