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Electronic money transaction system with a radio transmitter and receiver using a portable telephone

  • US 6,536,661 B1
  • Filed: 12/14/1999
  • Issued: 03/25/2003
  • Est. Priority Date: 09/18/1996
  • Status: Expired due to Term
First Claim
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1. An electronic money transaction device useable with an IC card storing electronic money information, and a portable telephone which transmits and receives electronic information to/from outside by using electromagnetic waves for performing transactions of the electronic money information in said IC card, said electronic money transaction device comprising:

  • a transmitter and receiver which transmits a signal indicating a specific service to a service supply equipment, and transmits at least one of an ID information identifying the electronic money transaction device and an ID information identifying the IC card;

    an electronic money store which stores at least electronic money information concerning the electronic information transmitted and received via the transmitter and receiver;

    said service supply equipment being operated by said signal indicating the specific service, based upon at least one of the received ID information identifying the electronic money transaction device and the received ID information identifying the IC card, including;

    a time information generator which starts to generate a time information when said specific service indicated by the signal is started;

    a memory which stores the generated time information; and

    a processing unit which counts the amount of money to be paid for said specific service based on the generated time information;

    wherein said ID information is payer discriminating information transmitted by said portable telephone.

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