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    • 1. 发明授权
    • Dual-band planar inverted-F antenna
    • 双频平面倒F天线
    • US07733271B2
    • 2010-06-08
    • US11347217
    • 2006-02-06
    • Young-min MoonYoung-eil KimGyoo-soo Chae
    • Young-min MoonYoung-eil KimGyoo-soo Chae
    • H01Q1/38
    • H01Q9/42H01Q9/0421H01Q9/0442H01Q19/005
    • An improved and more compact structure of a built-in antenna for handheld terminals, improving radiation pattern and efficiency. Provided is a planar inverted-F antenna having a radiation part having an inductive radiation portion and a parasitic radiation portion which are spaced in a certain distance apart from a ground surface, a power-supply part horizontally spaced apart from the ground surface and for directly supplying currents to the connected inductive radiation portion, and connection parts for connecting the radiation portions to the ground. The planar inverted-F antenna has an inductive antenna portion and a parasitic antenna portion, thereby reducing its volume compared to the conventional inverted-F antenna. Complicated manufacturing and processing procedures are simplified by connecting the power-supplying part and a PCB.
    • 改进和更紧凑的结构的内置天线手持终端,改善辐射模式和效率。 本发明提供一种平面倒F型天线,其具有辐射部,该辐射部具有与地面隔开一定距离的电感辐射部和寄生放射部,与地表水平间隔开的供电部, 向连接的感应辐射部分提供电流,以及将辐射部分连接到地面的连接部分。 平面倒F天线具有感应天线部分和寄生天线部分,因此与传统的倒F天线相比,其体积减小。 通过连接供电部件和PCB来简化复杂的制造和加工程序。
    • 4. 发明申请
    • Small broadband monopole antenna having perpendicular ground plane with electromagnetically coupled feed
    • 具有电磁耦合馈电的垂直接地平面的小宽带单极天线
    • US20060256015A1
    • 2006-11-16
    • US11376336
    • 2006-03-16
    • Ikmo ParkJong-ho JungYoung-min MoonSeong-soo LeeYoung-eil Kim
    • Ikmo ParkJong-ho JungYoung-min MoonSeong-soo LeeYoung-eil Kim
    • H01Q1/38
    • H01Q9/0407H01Q9/30
    • A small broadband monopole antenna having a perpendicular ground plane with an electromagnetically coupled feed is provided. The small broadband monopole antenna may be realized as a small antenna having a size of 0.085λ0×0.085λ0×0.085λ0 by positioning a folded strip line under a shorted square disc. A resonance of the shorted square disc may be coupled to a resonance of the square folded strip line so as to form a wide bandwidth of about 36.6% of a central frequency of 2.313 GHz based on a VSWR≦2. Also, rectangular slits may be inserted into the perpendicular ground plane to improve a distortion of a radiation pattern that forms on the perpendicular ground plane so as to reduce a backward radiation by 3 dBi or more. The small broadband monopole antenna exhibits a forward radiation pattern similar to that of a general monopole antenna and has a gain of about 2.6 dBi within a bandwidth.
    • 提供具有电磁耦合馈电的具有垂直接地平面的小宽带单极天线。 小型宽带单极天线可以通过定位来实现为具有大小为0.085λλ0.085λλ0.085λλ0<0的小天线 在短方形盘下的折叠带状线。 短路方形盘的谐振可以耦合到方形折叠带状线的谐振,从而基于VSWR <= 2形成约2.313GHz的中心频率的约36.6%的宽带宽。 此外,矩形狭缝可以插入到垂直接地平面中,以改善在垂直接地平面上形成的辐射图案的变形,以便将后向辐射减小3dBii或更大。 小宽带单极天线具有类似于一般单极天线的正向辐射图,并且在带宽内具有约2.6dBi的增益。