SECURITY MEDIUM AND AUTHENTICATION SYSTEM USING SAME

摘要

According to one aspect of the present invention, a security medium, which can improve user convenience without the need for direct input of a security code onto a touchscreen, comprises: a plate; and conductor patches attached to the plate. The security medium is characterized in that the conductor patches are arranged in a pattern so that the pattern may be used as a code for authentication or as a code for controlling a target device when the security medium is brought into contact with the touchscreen.