Active electro-optical identification
Analog printer including ink supply containing IR-absorbing...
Applications of nano-enabled large area macroelectronic...
Arrangement for reading coded data printed on a card
Article identification apparatus and method including an identif
Authenticated cards
Circuit unit
Combined multi-frequency electromagnetic and optical...
contactless coupling between a host unit and a smart card
Data card
Data medium in card form and lead frame for use in such a...
Device and method for reading out information stored in a...
Electronic label for optical reading/writing
Embedded optical signatures in documents
Encoding scheme for articles
External unit for storage-medium storage device
Fluorescent hidden indicium
Forgery-proof marking for objects and method for identifying...
Forgery-proof marking for objects and method for identifying...
Fragile water mark printed with two component inks and process