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    • 7. 发明专利
    • Waveguide connection structure, antenna device and radar device
    • 波导连接结构,天线装置和雷达装置
    • JP2014022830A
    • 2014-02-03
    • JP2012157720
    • 2012-07-13
    • Toshiba Corp株式会社東芝
    • SHIJO TORUHASHIMOTO HIROSHIOBAYASHI SHUICHI
    • H01P1/04G01S7/02G01S7/03G01S13/44H01P5/02H01P5/12H01Q21/06
    • H01P3/003G01S13/06G01S13/44H01P5/12H01P5/19H01Q13/18
    • PROBLEM TO BE SOLVED: To join signals between one waveguide line and a plurality of waveguide lines while connecting the one waveguide line and the plurality of waveguide lines so that magnetic field surfaces of the one waveguide line become parallel to electric field surfaces of the plurality of waveguide lines.SOLUTION: A waveguide connection structure includes first, second, third and fourth waveguide lines. The third waveguide line includes: a first coupling window formed on one of magnetic field surfaces thereof; a second coupling window formed on one of electric field surfaces thereof; a third coupling window formed on the other of the electric field surfaces; and first and second short-circuit surfaces blocking both ends of the third waveguide line. The first coupling window joins the first waveguide line with the third waveguide line so that the electric field surfaces of the first waveguide line become parallel to the electric field surfaces of the third waveguide line. The second coupling window joins the second waveguide line with the first waveguide line so that the electric field surfaces of the second waveguide line become parallel to the magnetic field surfaces of the first waveguide line. The third coupling window joins the fourth waveguide line with the first waveguide line so that the electric field surfaces of the fourth waveguide line become parallel to the magnetic field surfaces of the first waveguide line.
    • 要解决的问题:在连接一个波导管线和多条波导管线之间连接一个波导管线和多个波导管线之间的信号,使得一个波导管线的磁场表面平行于多个波导管线的电场表面 波导线路。解决方案:波导连接结构包括第一,第二,第三和第四波导线。 第三波导线包括:形成在其一个磁场表面上的第一耦合窗口; 形成在其一个电场表面上的第二耦合窗口; 形成在另一个电场表面上的第三耦合窗口; 以及阻挡第三波导线的两端的第一和第二短路表面。 第一耦合窗口将第一波导线与第三波导线连接,使得第一波导线的电场表面变得平行于第三波导线的电场表面。 第二耦合窗口将第二波导线与第一波导线连接,使得第二波导线的电场表面变得平行于第一波导线的磁场表面。 第三耦合窗口将第四波导线与第一波导线连接,使得第四波导线的电场表面平行于第一波导线的磁场表面。