| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve problems that when a commodity attached with an ID tag is placed inside a package body, there is a risk that communication with an ID tag using a reader/writer is interfered, it is difficult to manage commodities in a distribution process of commodities, resulting in losing convenience of ID tags. <P>SOLUTION: One feature of the present invention is a product management system that includes the package body for packing the product attached with the ID tag and a reader/writer, the ID tag includes a thin film integrated circuit portion and an antenna, the package body includes a resonance circuit portion having an antenna coil and a capacitor and the resonance circuit portion can communicate with the reader/writer and the ID tag. Accordingly, the stability of communication between the reader/writer and the ID tag attached to the product can be secured and management of the commodities can be conducted simply and efficiently even if a commodity is packed by the package body. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
