Recordable optical disk including an auxiliary information presence indicator
US6885629B2 · kind B2 · utility
17Cited by
15References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2001 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Apr 26, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2562
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical disk having a first recording area for recording information; and a second recording area having auxiliary information including disk identification information unique to that optical disk recorded therein, wherein the second recording area including circumferentially arranged multiple stripe patterns each strip extending along a radius of the disk; and indicator indicating the presence of auxiliary information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.