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    • 31. 发明申请
    • Mobile communication base station antenna and mobile communication base station antenna system
    • 移动通信基站天线和移动通信基站天线系统
    • US20120115548A1
    • 2012-05-10
    • US13064235
    • 2011-03-11
    • Takayuki ShimizuShinsuke MuranoRyota SuzukiOsamu TasakiTomoyuki Ogawa
    • Takayuki ShimizuShinsuke MuranoRyota SuzukiOsamu TasakiTomoyuki Ogawa
    • H04W88/08
    • H01Q1/52H01Q1/246H01Q21/062H01Q21/26
    • A mobile communication base station antenna has two array antennas juxtaposed in a horizontal direction. Each of the array antennas includes a plurality of antenna element pairs arranged in a vertical direction. Each of the antenna element pairs includes two antenna elements having polarization characteristics perpendicular to each other. A shield plate is provided between the two array antennas. The plurality of antenna element pairs of each of the two array antennas are classified into a first group of M-antenna element pairs, a second group of N-antenna element pairs, and a third group of P-antenna element pairs from one end to another end of the two array antennas (M, N, and P are positive integers, respectively). The electric power is fed from one feeding point to the antenna elements of the first and third group of one of the two array antennas and the antenna elements of the second group of another of the two array antennas, and a tilt angle of the two array antennas with respect to a horizontal plane is set to be a predetermined tilt angle by electrical tilting.
    • 移动通信基站天线具有在水平方向上并列的两个阵列天线。 每个阵列天线包括沿垂直方向布置的多个天线元件对。 每个天线元件对包括具有彼此垂直的偏振特性的两个天线元件。 在两个阵列天线之间设置屏蔽板。 两个阵列天线中的每一个的多个天线元件对被分为第一组M天线元件对,第二组N天线元件对和第三组P天线元件对,从一端到 两个阵列天线的另一端(M,N和P分别为正整数)。 电力从一个馈电点馈送到两个阵列天线之一的第一和第三组的天线元件以及两个阵列天线中另一组的第二组的天线元件,并且两个阵列的倾斜角 相对于水平面的天线通过电倾斜被设定为预定的倾斜角。
    • 35. 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。