Read while write method in data storage device
US6539514B1 · kind B1 · utility
23Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 1999 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | May 12, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Data are simultaneously written to plural tracks of a magnetic tape storage device while preventing elongated tape scratches from corrupting data blocks. A byte stream of user data is arranged into plural codewords that are distributed amongst plural heads that write the codewords to the plural tracks. When the data are read from the plural tracks, data are verified as being written to the tape successfully. If not, codewords are distributed amongst the plural read/write heads in a different order and re-written data to the tape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.