SECURITY SYSTEM OF DATA CARRIER

摘要

PROBLEM TO BE SOLVED: To provide a new security system capable of surely ensuring the security of information stored in a data carrier.

SOLUTION: The data carrier 7 is set on the inside of a side wall 2a which becomes a boundary part for dividing an object 1 outside and inside. A cipher mark 10 having encrypting function is provided on the outer surface of the side wall 2a of a communicable area 9 provided on the side wall 2a.

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