| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wrong charge preventing system for preventing a wrong matter from being charged when a matter is charged. <P>SOLUTION: This wrong charge preventing system comprises a matter information giving object matter having an RFID tag installed thereon and a reading/judging device for reading the RFID tag and judging the matter to be a wrong matter or a correct one to prevent the wrong matter from being charged by using the RFID tag. The matter information giving object matter 1 stores information particular to the matter, and the reading/judging device is equipped with an information reading part 3 receiving and reading the information particular to the matter sent from the RFID tag, an information judging part 4 for judging the matter to be the wrong matter or the correct one by comparing the information particular to the matter read by the information reading part with the information particular to the matter recorded in advance and an announcing part 5 for announcing the result of judgment on whether the matter is the wrong matter or the correct one made by the information judging part. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
