Patent ID: 7426493
Filing Date: 2008-09-16
Classification: G06Q,G07F,H04L,H04M,H04W,Y04S

Abstract:
1. An electronic money system comprising: an electronic money terminal for updating the amount of electronic money in a portable electronic device that stores a value of the electronic money, said electronic money terminal comprising recording means for recording the updating of the electronic money; and a management section to which an update record for the updating of the amount of the electronic money is communicated through a communication line; wherein said electronic money terminal further comprises: communicating means for batch communicating a plurality of update records recorded in said recording means to said management section; and terminating means for terminating the communication to said management section indistinguishably from a case in which the communication to said management section is completed within a predetermined period when the communication is not completed within the predetermined period; and a portable terminal, which communicates with the electronic money terminal and the management section to complete the communication of the plurality of update records to said management section when the communication is not completed within the predetermined periods wherein the portable terminal facilitates communication between the electronic money terminal and the management section by mutual authentication and stores the plurality of records in encrypted form.