Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method
US7170841B2 · kind B2 · utility
44Cited by
13References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2003 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Dec 19, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/235
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording medium is provided, which comprises a plurality of recording layers and a first disc information area for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layer. The first disc information area is provided in a first recording layer which is one of the plurality of recording layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.