using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means

Introduced: September 1968

Last revised: January 2006

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 > using markings of different kinds in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means

Classification Context

Section:: PHYSICS
Class:: COMPUTING OR CALCULATING; COUNTING
Subclass:: GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS

1 direct subcode

Child Classifications

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G06K 19/1 at least one kind of marking being used for authentication, e.g. of credit or identity cards