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    • 3. 发明公开
    • 표면 실장형 안테나 및 이를 포함하는 통신 장치
    • 表面安装型天线及其配套的通信设备
    • KR1020010078335A
    • 2001-08-20
    • KR1020010005377
    • 2001-02-05
    • 가부시키가이샤 무라타 세이사쿠쇼
    • 나구모소지가와하타가즈나리츠바키노부히토이시하라다카시오나카겐고
    • H01Q5/00
    • H01Q9/0442H01Q1/38H01Q5/357H01Q5/378H01Q9/0421
    • PURPOSE: To expand the reference frequency difference between a basic mode and a higher mode and to facilitate the adjustment and setting of a resonance frequency. CONSTITUTION: A series inductance component is added locally, by partially forming a meander type pattern 4 in a maximum resonance current area Z of the higher mode (secondary mode) of a feeding radiation electrode 3, and consequently the electrical length per unit length is made longer than any other area. Through this constitution, the resonance frequency difference between the basic mode and higher mode can be controlled and varied substantially. The value of the series inductance component varies with the number and interval of lines of the meandering type pattern 4 and the resonance frequency of the secondary mode can be varied, independently of the resonance frequency of the basic mode. The surface-mounted type antenna 1, having multiband- adaptive frequency characteristics meeting the needs can efficiently be designed, without big design alterations.
    • 目的:扩展基本模式和较高模式之间的参考频率差异,便于调谐和设置共振频率。 构成:通过在馈电辐射电极3的较高模式(次级模式)的最大谐振电流区域Z中部分地形成曲折型图案4,从而局部地添加串联电感分量,并且因此使得每单位长度的电长度 长于任何其他区域。 通过这种结构,可以基本上控制和改变基本模式和高模式之间的谐振频率差。 串联电感分量的值随蜿蜒型图案4的线数和间隔而变化,并且次级模式的谐振频率可以独立于基本模式的谐振频率而变化。 具有满足需要的多频自适应频率特性的表面安装型天线1可以有效地设计,而无需大的设计变更。
    • 5. 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。