Optical information recording and reproducing apparatus utilizing a plurality of recording light spots
US5329517A · kind A · utility
19Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1993 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Aug 11, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10528
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical information recording and reproducing apparatus for recording information pits on an information track by irradiating a light beam focused into a fine spot onto the information track of an optical information recording and reproducing medium, includes a device for forming a plurality of recording light spots on the information track transversely to the information track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.