Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
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19/00
Record carriers for use with machines and with at least a part designed to carry digital markings
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G06K19/04
characterised by the shape
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G06K19/041
Constructional details
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G06K19/042
the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD
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G06K19/045
the record carrier being of the non-contact type, e.g. RFID, and being specially adapted for attachment to a disc, e.g. a CD or DVD
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