Information recording/reproducing system for recording/reproducing information in three-dimensional recording medium of a light passing-through type
US6545971B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2000 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Jan 27, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/0013
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording/reproducing system records/reproduces information in a three-dimensional optical recording medium wherein information is recordable at three-dimensional optional positions and wherein position reference regions having optical characteristics different from those of recordable regions are previously provided at predetermined positions, and for reproducing information recorded in the three-dimensional optical recording medium. The recording system comprises a light source, a detector, a moving mechanism, and a light intensity adjuster. The reproducing system comprises a light source, a condenser, a detector, a moving mechanism, and a reproducing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.