Disk drive generating feed-forward actuator compensation based on a speaker driver signal
US8634158B1 · kind B1 · utility
69Cited by
35References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2011 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Apr 26, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B19/042
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk drive is disclosed comprising a disk, a head, an actuator for actuating the head over the disk, and control circuitry comprising a servo control system for controlling the actuator. A compensation value is generated based on a speaker driver signal, and the actuator is controlled using the compensation value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.