| 摘要 |
A card system of a magnetic card which reduces investment costs for switching over a card infrastructure and transmits/receives a data of a contactless smart card and information representing the state of the contactless smart card only by changing software is provided. Based on the communication result with the contactless smart card 17 through a communication part 2, the information of the contactless smart card 17 or the information representing the state of the contactless smart card 17 are output with different formats or different timing charts, respectively, and are output through an I/F part 3 with a specification equal to that of an output signal of a magnetic card reader.
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