| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication medium capable of reducing power consumption, and surely displaying data when the data are updated.SOLUTION: A communication medium includes: an IC chip configured such that application data are stored, and equipped with a control part, a storage part and two or more interfaces; an antenna element for communication connected to the interface of the IC chip, and configured to transmit/receive data with external equipment; a control element connected to the other interface of the IC chip; an antenna element for power supply connected to the control element; and display means connected to the control element. At least the application data have display confirmation data indicating that the data have been already displayed or that the data have not been displayed yet, and when the external equipment and the communication medium are made to approach each other, the control element is preferentially operated, and when the display confirmation data indicate that the data have not been displayed yet, the application data are displayed at a display part. |
