ENCODED BADGE HOLOGRAMS

24 ENCODED BADGE HOLOGRAMS An encoded hologram that produces a first image and a second image pursuant to playback illumination, wherein the first image is resolvable by human vision is resolvable by human vision while the second image is not resolvable by human vision when the playback illumination...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: YU, KEVIN, UPPER, RICHARD B, YIN, LILLIAN, VIRGADAMO, MICHAEL J, SCOTT, JAMES E, GUNTHER, JOHN E, WREEDE, JOHN E, MULDER, JERRY L
Format: Patent
Sprache:eng ; fre
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:24 ENCODED BADGE HOLOGRAMS An encoded hologram that produces a first image and a second image pursuant to playback illumination, wherein the first image is resolvable by human vision is resolvable by human vision while the second image is not resolvable by human vision when the playback illumination comprises noncoherent broad band illumination, and wherein the second image is machine readable when the hologram is illuminated with playback illumination that is based on the original reference beam.