초록 ▼

On a credit IC card, issuing by a credit card company, brought by a credit payer with him/her is stored at least personal information for identifying a credit card company, a card number and a credit payer. Based on input of a code number by the credit payer and the stored information read out from

On a credit IC card, issuing by a credit card company, brought by a credit payer with him/her is stored at least personal information for identifying a credit card company, a card number and a credit payer. Based on input of a code number by the credit payer and the stored information read out from the credit IC card, a cellular telephone is used to automatically inquire of an information center of the credit card company whether the credit can be gained. This can therefore eliminates complication involved by payment using the credit IC card and ensures smooth use of the credit IC card, with the cost performance being increased to spread the expensive credit IC card.

대표청구항 ▼

[ What is claimed is:] [1.] A mini IC card issued by a card issuing organization for use in payment by a card user with respect to a card acceptable store or the like,the mini IC card comprising:a memory portion for storing at least personal information for identifying a card issuing organization, a

[ What is claimed is:] [1.] A mini IC card issued by a card issuing organization for use in payment by a card user with respect to a card acceptable store or the like,the mini IC card comprising:a memory portion for storing at least personal information for identifying a card issuing organization, a card number and a card user; anda signal transferring portion for transferring the personal information to/from outside,the mini IC card being made smaller than a regular magnetic card on which personal information is magnetically written so as to be inserted into a portable terminal.