| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a displacement of cables laid in a manhole, a level of water flowing in the manhole, an ambient temperature or a gas concentration without opening a lid of the manhole. <P>SOLUTION: A system is provided with: a cable, to the surface of which a plurality of wireless tags each having specific information are attached; an electric wave shielding plate which is made of a material capable of shielding electric waves and has at least one perforated section; a reader with radio antenna which has a radio antenna and reads the information of the wireless tags; a mobile terminal which is equipped with a means for receiving the information of the wireless tags, a means for storing received contents and a means for notifying acquired information of the wireless tags via a communication network; and a server which is equipped with a means for acquiring information contents of the wireless tags notified by the mobile terminal via the communication network, a means for storing received information of the wireless tags, and a means for acquiring position information of the cable based on the information of the wireless tags and storing the position information of the cable. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
