Optical disk apparatus and method for controlling the same
US7512046B2 · kind B2 · utility
4Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2004 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Jun 2, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/00736
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There are provided a mounting unit configured to selectively mount first and second optical disks in which characteristics of recording films are different from one another, and a discriminating unit configured to discriminate which of the first and second optical disks is mounted on the mounting unit based on a level of a reproduction signal which is obtained by reproducing innermost peripheral portion of the first or second optical disk mounted on the mounting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.