| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that readily handleable electronic paper has many cases that a person unconsciously leaves about, as a result he forgets where it is, and sometimes the person cannot find it; and to improve such inconveniences as mentioned above . SOLUTION: The electronic paper 1 with configuration capable of wireless connection with a communication terminal device 2 comprises a control means 10 having a monitoring program serving as a monitoring means for monitoring a wireless connection state with the communication terminal device 2, and a notifying means 15 for notifying the existence of the electronic paper 1. The control means 10 operates the notifying means 15 when it is detected that the wireless connection state with the communication terminal device 2 is enforcedly cut by the monitoring program. COPYRIGHT: (C)2005,JPO&NCIPI
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