| 摘要 |
PURPOSE: An authentication card having improved security is provided to operate a control unit and a display unit through generated current in a piezoelectric element for inputting an active code. CONSTITUTION: An authentication card(1) is formed by installing a main authenticator(40) for authentication a reader in a card body(10). The authentication card includes a reserve authentication unit(20) having a memory(21) and a code input unit(30). The authentication card includes a display unit(60) which displays active code through the code input unit. The authentication card includes a control unit(50) for controlling an active state of the main authenticator. |
