Optical security system
A system and security card comprising a support substrate having a diffuse layer disposed thereon, the support substrate having a substantially uniform light transmitting characteristic, the lens layer having a predetermined pattern area formed thereon such that when light is transmitted through the...
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | A system and security card comprising a support substrate having a diffuse layer disposed thereon, the support substrate having a substantially uniform light transmitting characteristic, the lens layer having a predetermined pattern area formed thereon such that when light is transmitted through the support substrate and the diffuse layer a unique pattern is produced that can be read from the light passing there through. |
|---|