PROBLEM TO BE SOLVED: To solve the problem that snow accretion occurs at a lens in a signal device or the like using an LED as a light source.SOLUTION: Snow accretion is prevented by a lens comprising an aluminum substrate composed of an LED and a radiation fin.

    【課題】LEDを光源に用いた信号機などは、レンズに着雪が生じる問題が生じた。【解決手段】 アルミ基板にLEDと放熱フィンを構成したレンズにて、着雪を防ぐ。【選択図】図3


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    Title :

    SIGNAL DEVICE STRUCTURE WITH SNOW ACCRETION PREVENTION


    Additional title:

    着雪防止を備えた信号機構造


    Contributors:

    Publication date :

    2015-10-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES




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