| 摘要 |
PURPOSE:To obtain an IC card convenient to carry, easy in the data replacement between a contact type IC card and a non-contact type IC card and not accessed unintentionally. CONSTITUTION:A contact type IC card 1 and a non-contact type IC card 2 are connected by a hinge 3 and at least one card is made freely detachable from the hinge 3. In the superposed surfaces of the contact type IC card 1 and the non-contact type IC card 2, a planar antenna 4 is formed to the non- contact type IC card 2 and a shield surface is formed to the contact type IC card 1 to prevent unnecessary access. |
