The present invention relates to an apparatus comprising a vibration pick up means for detecting vibration signal and transmitted to a signal analyzing means (8), via the extension of coaxial cable, wherein the vibration pick up means includes a contact plate (3) and a sensor cable (4), characterized in that the contact plate (3) placed over a coil spring (11) in a row having the sensor cable (4) fitted throughout length of the row to dampened the vibration signal that triggers an alert signal when an intruder object having weight greater than a predefined weight is detected, in which the predefined weight is defined by adjusting damping coefficient of the spring (11).


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    Title :

    A system to detect human intrusion


    Contributors:

    Publication date :

    2021-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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