CPC Subgroup
G06K 19/06 characterised by the kind of the digital marking, e.g. shape, nature, code
Full Title
Record carriers for use with machines and with at least a part designed to carry digital markings > characterised by the kind of the digital marking, e.g. shape, nature, code
6 direct subcodes
Child Classifications
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- G06K 19/063 the carrier being marginally punched or notched, e.g. having elongated slots
- G06K 19/067 Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards
- G06K 19/08 using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means