Information recording medium, information recording method and information recording/reproduction system
US6581167B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2000 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jan 31, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording medium including a plurality of sectors of the present invention includes: a first spare area including a spare sector for replacing a defective sector among the plurality of sectors; a defeat management Information area for managing the replacement of the defective sector by the spare sector; and a volume space in which user data can be recorded. The volume space is configured so that a second spare area including a spare sector for replacing a defective sector among the plurality of sectors can be additionally allocated. Location information indicating a location of the second spare area is recorded in the defect management information area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.