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ELECTRONIC MONEY SYSTEM, AMOUNT-OF-MONEY CHANGE INFORMATION TRANSMITTER, SERVER, AND AMOUNT-OF-MONEY CHANGE INFORMATION TRANSMITTING METHOD
ELECTRONIC MONEY SYSTEM, AMOUNT-OF-MONEY CHANGE INFORMATION TRANSMITTER, SERVER, AND AMOUNT-OF-MONEY CHANGE INFORMATION TRANSMITTING METHOD
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机译:电子货币系统,金额变更信息发送器,服务器以及金额变更信息发送方法
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摘要
An electronic money terminal is provided to confirm whether a currency terminal has executed money amount change processing when there is no response after transmission of money amount change information to the currency terminal. The electronic money terminal reads and stores a value balance before transmission of money amount change information from an electronic money card. Then, the electronic money terminal transmits the money amount change information to the electronic money card. The electronic money terminal waits for a response from the electronic money card for a predetermined time and, if no response is transmitted, the electronic money terminal forcibly reads a current value balance in the electronic money card. The electronic money terminal compares this value balance with the value balance read before transmission of the money amount change information, determines that the money amount change information has not been carried out in the electronic money card if both the value balances are equal to each other, and determines that the money amount change information has been carried out in the electronic money card if they are different from each other.
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