Card settlement method and system using mobile information terminal
First Claim
1. A card settlement method using a mobile information terminal provided with an IC card read/write function and a wireless communication function for the settlement of a transaction in a business establishment, comprising:
- a step of having a customer using a business establishment wirelessly connect to an authorization server through a network by the mobile information terminal,a step of having the customer load his or her IC card in the mobile information terminal, read the information stored in this IC card, and send it to the authorization server,a step of having the authorization server decide on the authorization of the current transaction from authentication information stored in the IC card and proving the legitimacy of the card, settlement information containing at least a card number, and personal identification information input from the customer and proving the legitimacy of the customer,a step of sending a temporary password issued from a settlement server to the mobile information terminal for display after the authorization of the current transaction,a step of inputting the temporary password and the current transaction information from a business establishment side settlement terminal and sending it to the settlement server, anda step of having the settlement server settle the transaction with the password and the transaction information satisfying the settlement conditions,wherein the temporary password is valid for only one transaction and valid for only a limited period of time,wherein the mobile information terminal is a mobile phone having both a contact type IC card and a noncontact type IC card built into the mobile telephone,wherein the temporary password is data obtained by encrypting said settlement information and said temporary password and is not stored in said settlement server.
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Accused Products
Abstract
A card settlement method using a mobile information terminal provided with an IC card read/write function and a wireless communication function for the settlement of a transaction in a business establishment, comprising a step of having a customer using a business establishment wirelessly connect to an authorization server through a network by the mobile information terminal, a step of having the customer load his or her IC card in the mobile information terminal, read the information stored in this IC card, and send it to the authorization server, a step of having the authorization server decide on the authorization of the current transaction from authentication information stored in the IC card and proving the legitimacy of the card, settlement information containing at least a card number, and personal identification information input from the customer and proving the legitimacy of the customer, a step of sending a temporary password issued from a settlement server to the mobile information terminal for display after the authorization of the current transaction, a step of inputting the temporary password and the current transaction information from a business establishment side settlement terminal and sending it to the settlement server, and a step of having the settlement server settle the transaction with the password and the transaction information satisfying the settlement conditions.
116 Citations
12 Claims
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1. A card settlement method using a mobile information terminal provided with an IC card read/write function and a wireless communication function for the settlement of a transaction in a business establishment, comprising:
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a step of having a customer using a business establishment wirelessly connect to an authorization server through a network by the mobile information terminal, a step of having the customer load his or her IC card in the mobile information terminal, read the information stored in this IC card, and send it to the authorization server, a step of having the authorization server decide on the authorization of the current transaction from authentication information stored in the IC card and proving the legitimacy of the card, settlement information containing at least a card number, and personal identification information input from the customer and proving the legitimacy of the customer, a step of sending a temporary password issued from a settlement server to the mobile information terminal for display after the authorization of the current transaction, a step of inputting the temporary password and the current transaction information from a business establishment side settlement terminal and sending it to the settlement server, and a step of having the settlement server settle the transaction with the password and the transaction information satisfying the settlement conditions, wherein the temporary password is valid for only one transaction and valid for only a limited period of time, wherein the mobile information terminal is a mobile phone having both a contact type IC card and a noncontact type IC card built into the mobile telephone, wherein the temporary password is data obtained by encrypting said settlement information and said temporary password and is not stored in said settlement server. - View Dependent Claims (2, 3)
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4. A card settlement system wherein a settlement terminal installed in a business establishment is connected through a settlement network with an authorization server and a settlement server retained by a card company or a bank, and a customer can perform the settlement by using a card, providing following means of:
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an application server provided in the mobile information terminal, and providing a read/write function of an IC card for performing a read/write operation of information with respect to the IC card with authentication information proving a legitimacy of the card, personal identification information proving the legitimacy of the customer and settlement information containing at least a card number stored therein, a storage of an application software for a specific service, a control of a screen of said mobile information terminal and a gateway function between the network of said mobile information terminal and said settlement network, and a password issuance function provided in said settlement server issuing a temporary password based on settlement information input from said IC card through the network of said mobile information terminal, said application server and said settlement network, wherein the temporary password is valid for only one transaction and valid for only a limited period of time, wherein the mobile information terminal is a mobile phone having both a contact type IC card and a noncontact type IC card built into the mobile telephone, wherein the temporary password is data obtained by encrypting said settlement information and said temporary password and is not stored in said settlement server. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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Specification