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Priority to JP1990085228UpriorityCriticalpatent/JPH0445085U/ja
Priority to PCT/JP1991/001071prioritypatent/WO1992002373A1/ja
Publication of JPH0445085UpublicationCriticalpatent/JPH0445085U/ja
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
G06K19/06—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
G06K19/06187—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 with magnetically detectable marking