Information recording medium and reproducing apparatus therefor
US6600716B1 · kind B1 · utility
26Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 2000 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Apr 26, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/505
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An environmental load information of an information recording medium is recorded on the information recording medium so as to recycle or dispose properly an information recording medium, which is not necessary any more. The information recording medium comprises a main information area (102) for recording or reproducing information and a recording area (101) for environmental load information, which is recorded with an environmental load information of the information recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.