Optical disk memory for recording reproducible information
US5636201A · kind A · utility
5Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1995 |
| Grant date | Jun 3, 1997 |
| Priority date | — |
| Expiry date | Nov 16, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/24316
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This optical disk comprises neighboring land tracks and a groove track laid therebetween. Light modulating regions are formed in said land tracks and each of the light modulating regions extends in the groove track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.