Wavelength selective optical recording and reproducing method
US5231626A · kind A · utility
12Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1992 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Mar 26, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/00745
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wavelength selective optical recording and reproducing method includes an optical recording and reproducing step of information composed of time series signals on a recording medium having recording tracks as position series signals with light having a variable wavelength while switching the wavelength between predetermined values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.