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    • 10. 发明授权
    • Antenna and method of manufacturing the same, and portable wireless terminal using the same
    • 天线及其制造方法,以及使用该天线的便携式无线终端
    • US07755545B2
    • 2010-07-13
    • US10578769
    • 2004-07-29
    • Ken TakeiTomoyuki OgawaMorihiko IkegayaKeisuke Fukuchi
    • Ken TakeiTomoyuki OgawaMorihiko IkegayaKeisuke Fukuchi
    • H01Q1/24
    • H01Q9/42H01Q1/243H01Q1/38H01Q5/357
    • A small antenna operating in multiple modes including three or more modes. There are provided an antenna that includes a ground conductor having a ground potential, a single feeding point whose one end is formed by a part of the ground conductor, and a plurality of transmission lines to which RF power supplied to the feeding point is input, the transmission lines each radiating electromagnetic waves of three frequencies of three modes into space. These transmission lines comprises a transmission line 41 that is connected to the feeding point at one end and to a branching point at the other end, a transmission line connected between branching points, and transmission lines connected to the branching points. The lengths of the respective transmission lines are set so that impedance matching is performed at the feeding point with respect to a plurality of frequencies. The antenna is formed from an integrated metal plate.
    • 一种小型天线,在多种模式下工作,包括三种或更多种模式。 提供了一种天线,其包括具有接地电位的接地导体,其一端由接地导体的一部分形成的单个馈电点和输入到馈电点的RF功率的多个传输线, 传输线将三种三种模式的电磁波辐射到空间中。 这些传输线包括传输线41,其连接到一端的馈电点和另一端的分支点,连接在分支点之间的传输线和连接到分支点的传输线。 设定各传输线的长度,使得相对于多个频率在馈电点进行阻抗匹配。 天线由集成的金属板形成。