A METHOD OF CREDIT CARD PAYMENT OF BUYER'S TERMINAL, A CONTROL METHOD OF MANAGEMENT SERVER PAYING CREDIT CARD AND A BUYER'S TERMINAL PAYING CREDIT CARD

摘要

PURPOSE: A credit card payment method of a purchaser terminal, a control method of a management server performing credit card payment and a purchaser terminal performing credit card payment are provided to provide credit card payment by installing a card reader in a terminal of a purchaser through an earphone jack included in the purchaser terminal, and to acquire information about a credit card more easily and accurately by increasing reception sensitivity of the earphone jack automatically. CONSTITUTION: A purchaser terminal senses reception of a message informing order of a purchaser transmitted by a management server (101). The purchaser terminal executes an application program for credit card payment, in response to the receiving of the message informing the order of the purchaser (103). The purchaser terminal judges installation of a card reader and execution of the application program (105). The application program for the credit card payment is able to increase reception sensitivity of an earphone jack included in the purchaser terminal automatically (107). The purchaser terminal monitors a signal received through the earphone jack included in the purchaser terminal (109). The purchaser terminal acquires credit card information from the signal received through the earphone jack included in the purchaser terminal (111), and acquires purchaser signature information through the application program for the credit card payment (113). The purchaser terminal is able to transmit the credit card information and the purchaser signature information (115). [Reference numerals] (101) Have received a message indicating that a buyer places an order ?; (103) Launch an application to settle a credit card purchase; (105) Mount a card reader & launch the application; (107) Increase the reception sensitivity of an earphone jack; (109) Monitor a signal received by the earphone jack; (111) Obtain the information about a credit card using the signal received by the earphone jack; (113) Obtain the signature of the buyer; (115) Transmit the credit card information and the buyer signature information to a management server; (AA) Start; (BB) End