To prevent degradation in the visibility of a signal light during snow accretion.SOLUTION: A heating element 3, provided at a signal light, includes carbon fiber and further includes a plurality of a heating regions 3b heated by an energizing current and a plurality of electrodes 3c which are arranged at the heating regions 3b, being spaced from each other and supply electricity to the heating regions. The heating regions 3b are in a polygonal shape and arranged in a plurality of stages in a perpendicular direction to the signal light.SELECTED DRAWING: Figure 2

    【課題】着雪時において信号灯器の視認性の低下を防止する。【解決手段】信号灯器に設けられる発熱体3であって、炭素繊維を含み、通電電流によって発熱する複数の発熱領域3bと、当該発熱領域3bに離間配置され、上記発熱領域に給電する複数の電極3cとを備え、上記発熱領域3bは、多角形形状とされ、上記信号灯器に対して鉛直方向において複数段配列される。【選択図】図2


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    Title :

    HEATING ELEMENT AND HEATING COVER


    Additional title:

    発熱体及び発熱カバー


    Contributors:

    Publication date :

    2019-12-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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