| 摘要 |
PROBLEM TO BE SOLVED: To increase the number of coming customers by taking a playful mind element into a magnetic card. SOLUTION: This magnetic card is newly printed when it is inserted into a magnetic printer every plural times. Every time the magnetic card is inserted into the magnetic printer, the magnetic printer changes graphics characters, symbols, or colors of the magnetic card according to conditions that are preliminarily set by a magnetic printer installer. |
