发明名称 Mobile Communication base station antenna
摘要 A mobile communication base station antenna has two or more array antennas. Each of the array antennas includes a plurality of antenna element pairs arranged in array shape. Each of the antenna element pairs includes two antenna elements located to be orthogonal to each other. Polarization characteristics of the two antenna elements are orthogonal to each other. The array antennas are arranged with a predetermined distance in a vertical direction.
申请公布号 US2010127949(A1) 申请公布日期 2010.05.27
申请号 US20090591596 申请日期 2009.11.24
申请人 HITACHI CABLE, LTD. 发明人 SHIMIZU TAKAYUKI;MURANO SHINSUKE;ANDO TOSHIYUKI
分类号 H01Q21/00;H01Q9/16 主分类号 H01Q21/00
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