Electronic article surveillance markers for direct application to optically recorded media
US5939985A · kind A · utility
15Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Sep 11, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/24
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An Electronic Article Surveillance (EAS) marker is adapted for direct application to optically recorded media such as compact disks, CD-ROM's, laser disks, digital video disks, and the like. The marker includes a support sheet and one or more marker elements which are positioned such that the mass distribution of the marker is symmetrically disposed about the center of the marker. This ensures that when the marker is properly positioned on the optically recorded media, the marker does not adversely affect the mechanical balance of the media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.