Method for recording and reading an optical disk
US5848045A · kind A · utility
38Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1997 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Nov 12, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/182
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A super high density optical disk apparatus is obtained by using an exchangeable recording medium having a recording capacity of at least 1.5 Gb/in.sup.2 in an optical recording and reading apparatus for recording or reading at least using a laser beam or by using one of means which can record on a recording medium only once and means which can record at least two times repeatedly as recording means to be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.