To provide a system capable of diminishing a measurement error even when reflected radio waves are output from plural objects, and mitigating an event that a specific object cannot be detected, and a radio wave source employed in the system.SOLUTION: A radio wave source 5 is employed in an extra-field-of-vision obstacle detection system 1 and used to report an object 3. The radio wave source 5 includes: a receiving unit 9 that receives a radio wave emanating from a vehicle 7; a reflected radio wave output unit 11 that outputs a reflected radio wave associated with the radio wave received by the receiving unit 9; and a timing control unit 13 that controls the timing with which the reflected radio wave output unit 11 starts an action for outputting the reflected radio wave. The extra-field-of-vision obstacle detection system 1 includes the radio wave source 5 and extra-field-of-vision obstacle detectors 21 installed in the radio wave source 5 and the vehicle 7, respectively.SELECTED DRAWING: Figure 1

    【課題】複数の対象物から反射電波が出力された場合であっても,測定誤差を軽減でき,特定の対象物を検出できない事態を軽減できるシステムやそのシステムに用いられる電波源を提供する。【解決手段】視野外障害物検知システム1に用いられ,対象物3を知らせるための電波源5であって,電波源5は,車両7からの電波を受信する受信部9と,受信部9が電波を受信し,電波に対応した反射電波を出力する反射電波出力部11と,反射電波出力部11が反射電波を出力する動作を開始するタイミングを制御するタイミング制御部13と,を有する。視野外障害物検知システム1は,電波源5及び電波源5と車両7に取り付けられる視野外障害物検知装置21とを有する。【選択図】図1


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    Title :

    SYSTEM THAT DETECTS PLURAL EXTRA-FIELD-OF-VISION OBSTACLES


    Additional title:

    複数の視野外障害物を検知するシステム


    Contributors:

    Publication date :

    2021-04-15


    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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