| 摘要 |
PURPOSE:To reduce the number of keys, and to heighten the packaging density of a circuit in an IC card by inputting a numeric data with a scroll system. CONSTITUTION:At the surface of a card main body 1, a liquid crystal display 2 which displays the numeric data, and a key group 3 for the input of the numeric data, etc., are arranged. The key group 3 consists of seven keys in total: four keys 31-34 to input the numeric data of four digits at every digit with the scroll system, a password number collating key 35, a clear key 36, and a read key 37 to read the content of a memory that is built-in the IC card. |
