| 摘要 |
PROBLEM TO BE SOLVED: To pay a usage charge reflecting the actual state of an object to be used by judging the attributes of the write signals of a money amount inputted to the storage means of the money amount correlated with the amount of the object to be used and storing the inputted money amount for the respective attributes. SOLUTION: In this usage charge payment device for paying a charge for using the object to be used such as electricity and gas, etc., by a prepaid money amount stored in a prepaid money amount storage means MB provided in a portable medium MA beforehand, the reference money amount storage means MC of the portable medium MA stores the money amount correlated with the amount of the object to be used. Then, when the write signals of the money amount are inputted to the reference money amount storage means MC by a write signal input means MD, an attribute judgement means ME judges the attributes of the inputted signals and a reference money amount write means MF distinguishes the inputted money amount for the respective attributes and writes it in the reference money amount storage means MC based on the judged result. Thus, the portable medium is used for many uses other than the payment of the usage charge. |
