Method of retrieving storage capacity of damaged sector
US6289475A · kind A · utility
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2References
9Claims
0Family size
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Key dates
| Filing date | Apr 5, 1999 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | Apr 5, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of retrieving storage capacity of damaged sector. A storage medium comprising a storage capacity part and a reserved capacity part is provided. The storage capacity part comprises multiple primary sectors, while the reserved capacity part comprises multiple secondary sectors. The storage medium is scanned to find and record a damaged sector in the storage capacity part. An identity field of the damaged sector is overwritten by an null identity field of one of the secondary sectors. The identity field of the damaged sector is written into the secondary sector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.