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    • 4. 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。
    • 10. 发明申请
    • ANTENNA STRUCTURE AND WIRELESS COMMUNICATION APPARATUS INCLUDING SAME
    • 天线结构和无线通信设备,包括它们
    • US20090015497A1
    • 2009-01-15
    • US12188550
    • 2008-08-08
    • Shoji NagumoKazuyuki FuruyaMie ShimizuHirotaka Fujii
    • Shoji NagumoKazuyuki FuruyaMie ShimizuHirotaka Fujii
    • H01Q9/00H01Q1/38
    • 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。