Seismic human footstep detector
    1.
    发明授权
    Seismic human footstep detector 失效
    地震人体脚踏探测器

    公开(公告)号:US3922663A

    公开(公告)日:1975-11-25

    申请号:US47475374

    申请日:1974-05-30

    Applicant: HONEYWELL INC

    CPC classification number: G08B13/1663 Y10T307/773

    Abstract: The apparatus includes logic for examining the signature of the signal received from a seismic sensor, for measuring the duration of the disturbances and the time interval between successive disturbances and for determining, on basis of such information, whether the disturbances are or are not caused by human footsteps.

    Abstract translation: 该装置包括用于检查从地震传感器接收的信号的签名的逻辑,用于测量干扰的持续时间和连续干扰之间的时间间隔,并且用于基于这些信息确定干扰是否由 人的脚步声

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