| 摘要 |
<p>A smart electronic authorization/credit card (100) called a Smart Key Card (SKC) and a method for its operation are provided. The SKC includes a keypad (11) for entering data, a magnetic strip (12) or a Smart Card Chip (24) which stores confidential information, a battery (38), NVM memory (19) that stores program code and data, a CPU (18) and a Smart Key Card hybrid chip. The SKC is activated by the authorized user for a predetermined time period. The method for operating the SKC includes entering a secret code through the keypad on the SKC, comparing the entered secret code to a true code stored in the SKC, and activating the SKC for a predetermined time period, when the entered secret code and the true code are the same. The data stored in the SKC can be modified by a user using the keypad and a display on the SKC.</p> |
