Authentication/security labels and associated method containing photochromic inks

Authentication/security labels and associated method containing photochromic inks

An authentication label and associated method are disclosed that can be covert most of the time and made to be overt only during times immediately before, during, and/or after reading of the label by a reader. The label contains a photochromic ink.

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: CHAMBERS JEFFREY ALLEN
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:An authentication label and associated method are disclosed that can be covert most of the time and made to be overt only during times immediately before, during, and/or after reading of the label by a reader. The label contains a photochromic ink.