SYSTEM AND METHOD FOR CLOSE DISTANCE HUMAN BODY COUPLING FOR ENCIPHERED COMMUNICATION WITH IDENTIFICATION CARD

摘要

PROBLEM TO BE SOLVED: To protect the privacy of user by utilizing a human body as a communication medium for transmitting information concerning the user. SOLUTION: A user 2 activates an automatic teller machine(ATM) 4. The user 2 carries a personal area network(PAN) card 5 such as an EF card with him. The ATM 4 is provided with a control panel 6, and the control panel 6 is provided with a contract for forming electric connection with the user 2. The ATM 4 is connected through a communication link 10 to a receiver module 7 and a processor 8. The PAN card 5 and the processor 8 communicate through a conductive medium of the body of user 2 and the communication link 10, and the identification of user 2 is confirmed. The communication is enciphered for establishing confirmation and security. A transmitter and a receiver communicate in cooperation. Two transceivers are used for bidirectional communication. They are arranged in the card 5 and the processor 8.