G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K19/00
Record carriers for use with machines and with at least a part designed to carry digital markings
G06K19/00
Record carriers for use with machines and with at least a part designed to carry digital markings
G06K19/06
characterised by the kind of the digital marking, e.g. shape, nature, code
G06K19/06
characterised by the kind of the digital marking, e.g. shape, nature, code