| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a prepaid card payment system enhancing a customer's convenience by using a prepaid card contracted beforehand to be usable for both energy supply sources even when using energy of a second energy supply source different from a first energy supply source that has issued the prepaid card, and replaying a usage rate to the energy supply source later. <P>SOLUTION: A customer terminal 1 comprises a reader-writer 11 reading and writing information recorded in the prepaid card 10; a communication means 15 transmitting information read by the reader-writer 11 and receiving information from a network 2; a control part (a control means) 12 having an energy measuring means 12a for measuring power consumption; a display part 13 informing the customer of information contents; and an input means 14 inputting predetermined information. <P>COPYRIGHT: (C)2007,JPO&INPIT |
