Optical disc including two different sets of sectors having identical IDs
US8000179B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2007 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | May 1, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/00644
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical disc including: sectors each having a sector ID; a first area having a first set of sectors sequentially arranged on the disc according to their respective IDs; a second area having a second set of sectors sequentially arranged on the disc according to their respective IDs, the second area being located after the first area in respect of a disc scan direction, the second area including all information needed for playback of the entire disc and having at least one sector ID which duplicates that of a sector in the first set of sectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.