Rewritable DVD-RAM disc
US6483799B1 · kind B1 · utility
0Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2000 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Jan 21, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B31/006
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A rewritable DVD-RAM disc. By changing the location or dimension of the lead-out area of the DVD-RAM disc, the data area of the disc can be enlarged. The enlarged area of the disc can be flexibly applied to the user area, the main spare area, or the backup spare area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.