Storage media having areas for storing data for correcting servo information errors
US7564637B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2006 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jan 8, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B21/106
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A storage medium includes tracks extending in a circumferential direction, user data areas formed on the tracks for storing user data, and servo frames corresponding to the user data areas and extending in a radial direction for storing servo data. Data correcting areas corresponding to the servo frames and extending in the radial direction adjacent the servo frames are provided for storing correcting data for correcting positional deviation of a read/write head resulting from an error in the servo data stored in the servo frames. The correcting data stored in the data correcting areas on the same track are separated by at least one correcting data area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.