ELECTRONIC MONEY SYSTEM, PAYMENT RECEIPT UNIT, ELECTRONIC MONEY ISSUE UNIT AND RECORD MEDIUM THAT RECORDS THOSE PROGRAMS

摘要

PROBLEM TO BE SOLVED: To provide an electronic money system that enables the cancellation of payment made by electronic money.;SOLUTION: The electronic money system is equipped with a payment execution means, an electronic money issue means that performs the issuance of the electronic money corresponding to the payment execution means and a payment receipt means that receives the electronic money paid by the payment execution means and deposits the electronic money in the electronic money issue means, and the above payment receipt means sends to the above electronic money issue means a request to change the payer at the time of electronic money payment by the payment execution means to a new payee and also to change the payee at the time of payment of the electronic money to a new payer and in response to the request, the above electronic money issue means issues the electronic money to the above new payee.;COPYRIGHT: (C)2002,JPO