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Electronic payment system, payment apparatus, and terminal thereof

  • US 20050006457A1
  • Filed: 03/18/2004
  • Published: 01/13/2005
  • Est. Priority Date: 09/22/1999
  • Status: Active Grant
First Claim
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1. An electronic payment system that makes electronic money payment relating to a dealing, comprising:

  • a payment terminal operable to store a first balance of electronic money for said electronic money payment relating to said dealing;

    a demanding terminal operable to communicate with said payment terminal to demand said payment; and

    a payment apparatus operable to communicate with said demanding terminal and to store a second balance of electronic money to correspond to an identification number of said payment terminal for validating said payment, wherein said demanding terminal receives from said payment terminal said first balance stored in said payment terminal and transmits said first balance to said payment apparatus, and said payment apparatus detects unfair use of said electronic money by checking said first balance stored in said payment terminal, which was received from said demanding terminal, with said second balance stored in said payment apparatus.

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