TAG IDENTIFICATION SYSTEM, TAG READER, AND TAG SEQUENCE DETERMINATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a tag identification system, a tag reader, and a tag sequence determination method.;SOLUTION: In the tag identification system provided with the tag reader and a plurality of tags, the tag reader has at least two antennas to transmit a calling signal within the effective area of each antenna, the plurality of tags return a return signal to the at least two antennas in response to the calling signals which are sequentially made to pass through the effective range of each of the at least two antennas and received by each of the plurality of tags, and the image reader includes a sequence determination means for determining a sequence in which the plurality of tags are made to pass through on the basis of a return signal which is returned from the plurality of tags and received by the at least two antennas.;COPYRIGHT: (C)2009,JPO&INPIT