Method for managing defects in an information recording medium, and a device and information recording medium using said method
US5715221A · kind A · utility
198Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1996 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Apr 10, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A defect list (FIG. 12B) on an information recording medium only includes pairings (A1 and A2, B1 and B3 in FIG. 12B) of addresses of defective sectors belonging to the data sector area and addresses of non-defective sectors which belong to the spare sector area and which are to be used to replace the defective sectors, so that information relating to spare sectors which become defective (B2 in FIG. 12B) is not recorded in the list.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.