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Telephone used for electronic money card transaction and method of operation of the same

  • US 6,339,638 B1
  • Filed: 12/02/1999
  • Issued: 01/15/2002
  • Est. Priority Date: 12/08/1995
  • Status: Expired due to Fees
First Claim
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1. A telephone used for an electronic money transaction system for transferring electronic money between money cards which can store electronic money, said telephone comprises;

  • a main body including electronic money control unit, a modem unit and a talk unit, a handset connected with said main body through a cable, a display part, operation keys and two inlets of the electronic money cards which are equipped on a case of the main body, and said display part has a first display screen by use of which transfer direction of electronic money between two electronic money cards inserted in said two card inlets is determined and a second display screen by use of which transfer direction of electronic money between one of the electronic money cards inserted in said one of said two card inlets and an electronic money card connected through a communication network is determined;

    said operation keys having a transfer key to display said first display screen, a scroll key to display said second display screen, a purse key to determine said transfer direction of electronic money between two electronic money cards displayed on said first and second display screen and a ten-key to input amount of the electronic money, and said electronic money control part has means for starting transfer of an electronic money in accordance with a transfer direction displayed on said first display screen when said purse key is pushed in a state that said first display screen is displayed, for displaying that the telephone used for the electronic money transaction system is under slave state and that the telephone is waiting a response from a communication partner when said purse key is pushed before input of the amount of the electronic money, for settling the telephone as master and keeping leadership for transfer proceeding received thereafter when said purse key is pushed after input of amount of the electronic money, in a state that said second display screen is displayed, selecting one of the cards inserted in said inlets of said plurality of electronic money card read/writers for transmitting side or for receiving side.

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