| 摘要 |
<p>PURPOSE: To effectively prevent a prepaid card duplicated illegally from being used. CONSTITUTION: This system is provided with a card issuing machine 14 providing an identification code including identification information showing a consecutive number, a date, the name of a saloon with an amount code showing the amount at the time of issuing in the initial code area of the prepaid card, a ball renting machine 15 renting balls through the use of the prepaid card issued by the card issuing machine at its own saloon or another saloon, writing a remain code and a remaining amount in the remain code area of the prepaid card and then reading the identification code of the prepaid card, a totalizing computer 18 receiving identification information the card issuing machine gives to each prepaid card at the time of issuing a prepaid card and identification information the ball renting machine 15 reads from the prepaid card, and a host computer 13 storing identification information sent from the tabulating computer 18, comparing it with identification information read from the prepaid card used at the ball renting machine 15 and sending the result to the tabulating computer 18 at the time of detecting illegal use.</p> |
