To provide a technology to reduce wind noise.SOLUTION: An antenna device includes: a ground conductor plate (51); a first conductor plate (12) having a pentagonal shape in plan view; a second conductor plate (11); a linear conductor (21); a wireless terminal (1) for connecting a second capacitor (31) and the ground conductor plate; an inductor (41); and an overhead wire voltage detection terminal (2) for connecting a fourth end opposite to a third end of the inductor to the ground conductor plate. Two sides sandwiching a third side of the first conductor plate are perpendicular to the third side.SELECTED DRAWING: Figure 2

    【課題】風切り音を抑えるための技術を提供する。【解決手段】アンテナ装置は、グランド導体板(51)と、平面視で五角形である第1の導体板(12)と、第2の導体板(11)と、線状導体(21)と、第2のキャパシタ(31)とグランド導体板とを接続する無線端子(1)と、インダクタ(41)と、インダクタの第3の端部とは反対側の端部である第4の端部と、グランド導体板とを接続する架線電圧検知端子(2)とを備える。第1の導体板の第3の辺を挟む二辺は、第3の辺と垂直である。【選択図】図2


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    Title :

    ANTENNA DEVICE AND RAILWAY VEHICLE


    Additional title:

    アンテナ装置および、鉄道車両



    Publication date :

    2020-04-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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