| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a radio tag communication method and a radio tag communication device, in which when a ratio tag string consisting of a number of radio tags is formed, radio IDs of the radio tags can be read at once without deteriorating reading accuracy of radio ID. <P>SOLUTION: In the radio tag communication method for reading radio IDs of radio tags 30 by opposing a transmitting and receiving antenna unit 12 for communicating with radio tags to a radio tag string 32 consisting of a plurality of aligned radio tags 30, the radio tag string 32 is opposed to the transmitting and receiving antenna unit 12 while shifting the radio transmitting direction of the unit 12 from the maximum gain direction of the radio tags 30, whereby the radio IDs of the radio tags 30 are read. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
