| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate noise measurement in an environment where a reader/writer is installed. <P>SOLUTION: A reader/writer 11 and a control center 41 are connected through communication network 42. The reader/writer 11 is provided with a communication device 43 in order to establish communication with the communication network 42, the control center 41 is provided with a communication device 44 in order to establish communication with the communication network 42 and an analysis device 45 in order to analyze external noise of the reader/writer 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
