Method for controlling write current to a write head during data write on a hard disk
US6798598B2 · kind B2 · utility
9Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2002 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | Feb 12, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0013
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for controlling write current to a write head during data write on a hard disk drive is disclosed. A direct access storage device includes a rotating storage medium in which data are magnetically written, a write head for writing data in the rotating storage medium, and a write current control circuit for changing write current-value settings to be supplied to the write head according to a predetermined elapsed time from the beginning of a write operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.