Record medium, record medium manufacturing device, computer readable record medium on which program is recorded, and data presentation device
US7233667B1 · kind B1 · utility
0Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1999 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Mar 15, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/284
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A record medium comprises an original data obtained by superimposing a presentation target data, to which an error correction encoding is performed and an identification information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.