Encoded hologram for producing a machine readable image and a hu
Fabrication process for cholesteric liquid crystal media...
Genuineness detecting system and method for using...
Hidden Holograms and uses thereof
High-security machine-readable holographic card
Hologram and method of reading the same
Hologram having authenticating information recorded therein
Hologram in which a plurality of areas are set and holography sy
Hologram laminate and hologram label
Hologram laminate and hologram label
Hologram methods for signature security, consolidated...
Hologram, article including hologram, and hologram recording and
Holograms for security markings
Holograms having a standard reference color
Holograms with discontinuous metallization including alpha-numer
Holograms with discontinuous metallization including alpha-numer
Holographic anti-imitation method and device for preventing unau
Holographic authentication element and document having...
Holographic authentication element and document having...
Holographic authentication patch