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    • 1. 发明专利
    • Sheet antenna
    • 片天线
    • JP2004214855A
    • 2004-07-29
    • JP2002380603
    • 2002-12-27
    • Harada Ind Co Ltd原田工業株式会社
    • UCHINO SHIGERUKAWASAKI MORIYOSHITAIRA RYUICHITSUCHIYA KAZUHIKO
    • H01Q3/30H01Q1/22H01Q11/16H01Q21/10
    • PROBLEM TO BE SOLVED: To provide a sheet antenna that comprises an antenna sheet on which an antenna pattern is printed and that can be used at a practical level in such a way that the sheet antenna is adhered to a window of an automobile with a sufficiently high gain.
      SOLUTION: An antenna pattern formed on a sheet 31 comprises: a radiation element part 32 formed by arranging a plurality of radiation elements 32a, 32a in series via an inverse phase component part 32b and integrally forming them; and a matching part 33 for enclosing the end of the radiation element part 32 acting as a feeding point 32d as a center nearly in a U shape and having a pair of ground parts 33b, 33c extended in a direction orthogonal to the axial direction of the radiation element part 32.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供一种片状天线,其包括其上印刷有天线图案的天线片材,并且可以在实用水平上使用,使得片状天线粘附到汽车的窗户 具有足够高的增益。 解决方案:形成在片材31上的天线图案包括:辐射元件部分32,其经由反相部件32b串联布置多个辐射元件32a,32a并整体形成; 以及用于封闭辐射元件部分32的端部的匹配部分33,辐射元件部分32的作为几乎为U形的馈电点32d为中心,并且具有一对沿与垂直于所述光纤的轴向方向正交的方向延伸的接地部分33b,33c 辐射元件部分32.版权所有(C)2004,JPO&NCIPI