Data storage device adjusting spindle motor current based on continuous function of voice coil current during seek
US10176840B1 · kind B1 · utility
7Cited by
10References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Jun 28, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B19/28
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data storage device is disclosed comprising a spindle motor configured to rotate a disk, and a first voice coil motor (VCM) configured to actuate a head over the disk. During at least fifty percent of a seek of the head over the disk, a spindle control signal is generated based on a continuous function of a current flowing through the first VCM, and the spindle control signal is applied to the spindle motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.