Optical data storage card
US6502755B2 · kind B2 · utility
3Cited by
13References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1999 |
| Grant date | Jan 7, 2003 |
| Priority date | — |
| Expiry date | Apr 9, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/53
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The optical data-storage card includes an optical data-storage medium layer supported on the card. The data-storage medium layer includes a plurality of data storage tracks for storing data therein. Each of the tracks having at least an arc-segment wherein each of the data storage tracks being substantially parallel to a neighboring track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.