PROBLEM TO BE SOLVED: To correctly inspect an optical beacon.SOLUTION: An inspection device for an optical beacon including a plurality of light projection units inclusive of a light emitting diode irradiating downlink light made up of an infrared ray comprises: a camera that is adapted to acquire an image of the light emitting diode during emission of light, which is included in the light projection units including an electric circuit inclusive of a parallel connection body formed by having the light emitting diode parallely-connected; and a processing unit that lets a range including at least one light emitting diode in the image acquired by the camera be one area, and obtains a value corresponding to a degree of light emission of the area and detects abnormality of the light emitting diode on the basis of the value.

    【課題】光ビーコンの検査を正確に行うことを目的とする。【解決手段】近赤外線によるダウンリンク光を照射する発光ダイオードを複数含む投光部を備えている光ビーコンのための検査装置であって、前記発光ダイオードが並列に接続されて成る並列接続体を含む電気回路を有する前記投光部に含まれる、発光中の前記発光ダイオードの画像を取得するカメラと、前記カメラによる取得画像中の少なくとも一つの前記発光ダイオードを含む範囲を一つのエリアとして、当該エリアの発光度合いに対応する値を求めると共に、この値に基づいて前記発光ダイオードの異常を検知する処理部と、を備えている。【選択図】 図1


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    Title :

    OPTICAL BEACON INSPECTION DEVICE AND INSPECTION METHOD


    Additional title:

    光ビーコンの検査装置及び検査方法


    Contributors:
    HAYAMA KOJI (author) / SATO TOMOHIKO (author)

    Publication date :

    2015-07-09


    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



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