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    • 31. 发明授权
    • Antenna structure and wireless communication apparatus including same
    • 包括天线结构和无线通信装置
    • US07808435B2
    • 2010-10-05
    • US12188550
    • 2008-08-08
    • Shoji NagumoKazuyuki FuruyaMie ShimizuHirotaka Fujii
    • Shoji NagumoKazuyuki FuruyaMie ShimizuHirotaka Fujii
    • H01Q1/38
    • H01Q9/0442H01Q1/243H01Q5/364H01Q5/392H01Q9/0421
    • In an antenna structure in which a base is mounted in a ground region on a circuit board, the base having formed thereon a driven radiating electrode and a parasitic radiating electrode, the parasitic radiating electrode causing multiple resonance at least in a harmonic resonant frequency band of the driven radiating electrode, capacitance loading means for loading a capacitance to a harmonic-mode zero voltage region of the driven radiating electrode is provided. The capacitance loading means is electrically connected to a ground electrode in the ground region on the circuit board via a grounding conduction path and switching means. By switching the switching means ON/OFF, capacitance loading by the capacitance loading means to the harmonic-mode zero voltage region of the driven radiating electrode is switched ON/OFF to switch a base resonant frequency in a base resonant frequency band of the driven radiating electrode.
    • 在其中基座安装在电路板上的接地区域中的天线结构中,基座上形成有驱动辐射电极和寄生辐射电极,所述寄生辐射电极至少在谐波谐振频带 提供了驱动辐射电极,用于将电容加载到被驱动辐射电极的谐波模零点电压区域的电容负载装置。 电容负载装置经由接地导通路径和开关装置电连接到电路板上接地区域中的接地电极。 通过切换开关装置的ON / OFF,电容负载装置对驱动辐射电极的谐波模式零电压区域的电容负载被切换为ON / OFF,以在驱动辐射的基极谐振频带中切换基本谐振频率 电极。
    • 33. 发明授权
    • Multi-resonant antenna having dielectric body
    • 具有电介质体的多谐振天线
    • US08289225B2
    • 2012-10-16
    • US12838050
    • 2010-07-16
    • Mie ShimizuKazuhiko Kubota
    • Mie ShimizuKazuhiko Kubota
    • H01Q1/38H01Q1/24
    • H01Q1/243H01Q1/38H01Q9/42
    • The antenna includes a power-feeding radiation electrode and a non-power-feeding radiation electrode are provided adjacent to each other with a gap therebetween on the flexible substrate, which also is bendable. The power-feeding radiation electrode is used to perform antenna operation in a basic mode in which resonant operation is performed at a basic frequency and antenna operation in a high-order mode in which resonant operation is performed at a frequency higher than the basic frequency. The power-feeding radiation electrode includes a loop path configured such that the power-feeding radiation electrode first extends in a direction away from a power-feeding end and an open end is bent toward the power-feeding end. The non-power-feeding radiation electrode has one end serving as a ground-side end and the other end serving as an open end. A dielectric body having permittivity higher than the bendable, flexible substrate is provided on a front surface or a back surface of the power-feeding radiation electrode provided in a region including a portion in which voltage of a resonant frequency in the high-order mode is zero potential and a region in the vicinity of that portion.
    • 天线包括馈电辐射电极和非供电辐射电极,其彼此相邻设置,柔性基板上也具有间隙,也是可弯曲的。 馈电辐射电极用于以基本频率执行谐振操作的基本模式执行天线操作,并且以高于基本频率的频率执行谐振操作的高阶模式中的天线操作进行天线操作。 馈电辐射电极包括环路径,其配置为使得馈电辐射电极首先沿远离馈电端的方向延伸,并且开放端朝向馈电端弯曲。 非供电辐射电极的一端用作接地侧端,另一端用作开放端。 具有高于可弯曲柔性基板的介电常数的介电体设置在供电辐射电极的前表面或背面上,该电源设置在包括高阶模式的谐振频率的电压为 零电位和该部分附近的区域。