Optical disk for an identification element
US7936660B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2005 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Aug 6, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/24
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical disk is provided that includes a face carrying information that is readable by a laser while the disk is being driven in rotation, the face being defined by a flexible structure; a support stiffening the flexible structure and including at least one fiber layer having a thickness; and an identification and/or authentication element carried by the support, the identification and/or authentication element being configured to emit a detectable signal on being illuminated by the laser that is used for reading the information present on the face, the identification and/or authentication element being inside and/or outside the support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.