Patent ID: 7197448

Claim:
A method of electronic settlement comprising: setting a system in which commodity information display units installed at sites for payment, a sales control server for controlling the display units, a server for controlling mobile terminals each incorporating therein an electronic camera or an artificial retina chip, and an authentication server for authenticating the mobile terminals, are connected through a network, and also in which the authentication server and the sales control server are connected to each other through a dedicated communication line and wherein electronic settlement is performed by using the mobile terminals, said method comprising the steps of: photographing by a mobile terminal commodity information including characters which are displayed on the display unit; transmitting photographed image data taken by the mobile terminal via the mobile terminal server to the authentication server; authenticating the mobile terminal and restoring the image data to the commodity information including characters at the authentication server; and transmitting authenticated personal information and the commodity information via the dedicated communication line from the authentication server to the sales control server.