发明名称 ANTENNA UNIT AND COMMUNICATION APPARATUS
摘要 An antenna unit and a communication apparatus are provided, which are operable with respect to wireless systems having three, or more frequencies by employing 2 sets of antenna elements, and which can realize such an antenna structure having a high freedom degree, while the antenna structure can be applied to frequency arrangements as to the plurality of wireless systems. An antenna unit includes a first antenna element 11 connected to a first wireless system operated in a first frequency band, to which electric power is fed; and a second antenna element 12 connected to a second wireless system operated in a second frequency band and a third frequency band, to which electric power is fed; in which the first antenna element 11 and the second antenna element 12 are arranged in a predetermined interval in a substantially parallel manner; and a cut off section 16 for electrically cutting off a connection between the first antenna element 11 and the first wireless system is provided at a power feeding portion "P1" of the first antenna element 11.
申请公布号 EP2117072(A4) 申请公布日期 2012.05.09
申请号 EP20070706697 申请日期 2007.01.12
申请人 PANASONIC CORPORATION 发明人 KOYANAGI, YOSHIO;NAGANO, KENYA
分类号 H01Q1/24;H01Q3/24;H01Q5/00;H01Q9/00 主分类号 H01Q1/24
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