| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it possible to simply, surely and speedily check reader-writer operation situations. <P>SOLUTION: The reader-writer 300 is attached with a check wireless IC tag 20 for performing read processing of the check wireless IC tag 20 of other reader-writers existing around and sending result information of the read processing to a monitoring computer 200. The monitoring computer receives the result information from the reader-writer 300. At least any one of ID of the check wireless IC tag 20 to be read, ID of the reader-writer 300, and ID of an antenna 30 which are included in the result information, and information on the reading processing execution time of day are acquired and the pieces of information are stored in a database 125. In the database 125, after it is detected that the result information related to the check wireless IC tag 20 is not stored beyond a specified period of time from the read processing execution time of day corresponding to the latest result information, a failure of the reader-writer is identified. <P>COPYRIGHT: (C)2007,JPO&INPIT |
