Information recording carrier and method of reproducing the same
US7088670B2 · kind B2 · utility
30Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 2002 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Jun 24, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2575
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by frequency shift modulation while recorded digitally with a single or multiple waves as a channel bit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.