Constant density servo information in a disc drive
US6118604A · kind A · utility
31Cited by
16References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 1999 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Jun 21, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2516
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disc drive is disclosed having servo information written to one or more discs of the disc drive at a frequency that varies for each of the tracks defined on the disc, the servo information read by and used to control the position of an associated head of the disc drive. The servo information is preferably constant density and arranged as a plurality of servo strips extending radially from an inner to an outer diameter of the disc, each servo strip comprising a plurality of servo fields, the servo fields defining the tracks on the disc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.