| 摘要 |
<P>PROBLEM TO BE SOLVED: To lengthen a response distance for the radio tag and to read the data of all of a plurality of radio tags. <P>SOLUTION: In this radio tag reading device, a reader antenna 6 installed in a reader 7 is moved vertically by an elevating mechanism 8 so that the reading distance of the reader antenna 6 for a plurality of radio tags 2 in a storage box 3 placed on the reader 7 can be made variable, thereby securing the optimal reading distance all the time. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
