Extended cavity laser readout apparatus
US4658146A · kind A · utility
1Cited by
4References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 1985 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Mar 7, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10545
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for reading a recorded medium using an extended cavity laser in which the recorded medium is an integral part of the laser cavity. Recorded mediums for producing a Kerr effect, differentially reflective mediums and mediums capable of undergoing stimulated emissions are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.