| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide node devices which form a wireless network and can surely perform backup of sensor information of the node devices. <P>SOLUTION: A node 10 comprises: a sensor 11; a processor 12 for transmitting sensor information of the sensor 11 to a gateway to which the node is connected, via a wireless network; a detection unit 14 for detecting whether the node is in an isolated state from management of a plurality of gateways; and a storage unit 13 for storing the sensor information by stopping transmission of the sensor information when the node is in the isolated state. <P>COPYRIGHT: (C)2013,JPO&INPIT |
