MAGNETIC ROM CARD

PROBLEM TO BE SOLVED: To prevent the alteration and illegal use of a used magnetic prepaid card. SOLUTION: In this ROM card, a magnetic layer 2 is applied on a substrate 3, and magnetic recording data are formed like a bar code on the magnetic layer 2 by using ink with high magnetic permeable substa...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ITOU HISAO
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CHECKING-DEVICES COIN-FREED OR LIKE APPARATUS COMPUTING COUNTING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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