| 摘要 |
<p>PURPOSE: To provide a gifts exchange system for a play machine to use a card capable of preventing losses by a counterfeit or an unfair issue of a card and improving security. CONSTITUTION: An issue means 3a in a PACHINKO hall (game house) 3 writes prescribed information such as the date of issue, the amount, etc., into a card distributed through a sales agency 2 and issues the card as a gifts exchange card. A gifts exchange means 4a in a gifts exchange shop 4 reads out the information on a card brought in and allows to exchange gifts only for the card whose information is judged right. A recoverer 5 recovers used cards after gifts exchanging, regenerates those in a form to be reusable and delivers to the sales agency 2. A collator 6 collates, for instance once a day, each log information in the issue means 3a and the gifts exchange means 4.</p> |
