An alarm system for deterring unauthorised access to a target area, as may be used, for example, at railway level crossings. An alarm output device arranged to direct an alarm output into the target area.


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    Title :

    TRESPASSING DETERRENCE FOR RAILWAYS


    Additional title:

    ABSCHRECKUNG GEGEN UNBEFUGTES BETRETEN VON BAHNANLAGEN
    DISSUASION CONTRE LES INTRUSIONS DANS LES CHEMINS DE FER


    Contributors:

    Publication date :

    2023-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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