| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable unit having a bar code display function with which a user does not need to carry a plurality of cards such as credit cards. SOLUTION: The portable unit 1 has input keys 11 and 12, a memory 53 and a display unit 13. The portable unit 1 stores bar code data on two or more cards such as the credit cards in the memory 53, reads bar code data designated in accordance with a predetermined operation by the input keys 11 and 12 from the memory 53 and displays the bar code on the display unit 13 based on bar code data which is read. |
