OPTICAL MEMORY CARD

PURPOSE: To provide an optical memory card in which recording, reading and erasing operations of information comprising two-dimensional digital marks, etc., are conducted by only making the card close to a prescribed device. CONSTITUTION: The optical memory card main body 10 is integrally constitute...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: AGAWA MASAHIRO
Format: Patent
Sprache:eng
Schlagworte:
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