To provide a crossing indicating lamp such as a crossing alarm lamp whose lighting state is easily visible even to a red-colorblind person passing the crossing.SOLUTION: A crossing alarm lamp 100 comprises a cover 110, a hood 120 and a printed circuit board with mounted LED 130 accommodated in the cover 110. On both faces of the printed circuit board with mounted LED 130, plural LEDs 140 are circularly arranged and as the plural LEDs 140, red LEDs with specific dominant wave length between 610 nm and 620 nm are used.SELECTED DRAWING: Figure 1

    【課題】赤色色弱者である踏切通行者においても、点灯状態の視認が容易な踏切警報灯等の踏切用表示灯を提供する。【解決手段】踏切警報灯100は、カバー110と、フード120と、カバー110内に収容されたLED基板130とを備える。LED基板130の各面には、複数のLED140が円状に配置されており、複数のLED140として、特定のドミナント波長(610nm〜620nm)を有する赤色LEDが使用されている。【選択図】図1


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    Title :

    CROSSING INDICATING LAMP


    Additional title:

    踏切用表示灯


    Contributors:

    Publication date :

    2020-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme



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