发明名称 WIRELESS COMMUNICATION IMPROVING SHEET, WIRELESS COMMUNICATION IC TAG, INFORMATION TRANSMITTING MEDIUM AND WIRELESS COMMUNICATION SYSTEM
摘要 A wireless communication improving sheet capable of improving a possible communication distance of an IC tag for wireless communication, a wireless communication IC tag, and a wireless communication system are provided. A first spacer has an arrangement surface for arranging a wireless IC tag. An auxiliary antenna, which resonates with respect to an electromagnetic wave used for wireless communication, is provided on a surface opposite to the arrangement surface of the first spacer. A second spacer is provided on an opposite side to the first spacer with the auxiliary antenna interposed therebetween. The first spacer and the auxiliary antenna is formed with a groove (a hole) having the second spacer as the bottom.
申请公布号 US2010245049(A1) 申请公布日期 2010.09.30
申请号 US20080734408 申请日期 2008.10.31
申请人 发明人 YOSHIDA TAKAHIKO;MATSUSHITA MASATO;OKAMURA HARUHIDE;SATO SHINICHI;SHIMAI TOSHIHARU;KOGURE HIROAKI
分类号 H04Q5/22;G06K19/077 主分类号 H04Q5/22
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