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    • 2. 发明公开
    • 안테나 구조 및 그것을 구비한 통신기
    • 天线结构与通信装置
    • KR1020040018125A
    • 2004-03-02
    • KR1020030049221
    • 2003-07-18
    • 가부시키가이샤 무라타 세이사쿠쇼
    • 이시하라다카시나구모쇼지가와하타가즈나리
    • H01Q13/08
    • H01Q9/0457H01Q1/38H01Q5/378
    • PURPOSE: To perform downsizing and thinning an antenna while suppressing reduction in antenna efficiency. CONSTITUTION: An antenna structure 1 includes an antenna body 2 in which a fed radiation electrode 5 and a non-fed radiation electrode 6 for generating a double resonance state are formed on a dielectric substrate 4, and a substrate 3 for mounting the antenna body 2 thereon. A ground electrode 10 is formed on the substrate 3 by avoiding a ground-electrodeless portion 11. The ground-electrodeless portion 11 is formed on at least a portion of a mounting area A of the antenna body 2 and at a portion sticked out of and away from the mounting area A of the antenna body 2 consecutively the portion. Grounding ends 5a, 6a of the fed radiation electrode 5 and the non-fed radiation electrode 6 formed on the substrate 4 are connected to the ground electrode 10 via grounding line patterns 13, 14 formed on the ground-electrodeless portion 11 being outside the mounting area A of the antenna body 2.
    • 目的:实现天线的小型化和减薄,同时抑制天线效率的降低。 构成:天线结构体1包括:天线体2,其中在电介质基板4上形成有馈电辐射电极5和用于产生双重共振状态的非馈电辐射电极6,以及用于安装天线体2的基板3 在其上。 接地电极10通过避免接地无电极部分11而形成在基板3上。接地无电极部分11形成在天线体2的安装区域A的至少一部分上, 远离天线体2的安装区域A连续地部分。 馈电辐射电极5的接地端部5a,6a和形成在基板4上的未供电的辐射电极6通过形成在无电极部分11外部的接地线图形13,14连接到接地电极10, 天线体2的区域A。