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    Method and apparatus for detecting wheel motion in a tyre pressure monitoring system
    1.
    发明公开
    Method and apparatus for detecting wheel motion in a tyre pressure monitoring system 有权
    一种用于在轮胎压力监测系统检测车轮的旋转的方法和装置

    公开(公告)号：EP1514704A1

    公开(公告)日：2005-03-16

    申请号：EP04077459.8

    申请日：2004-09-03

    申请人： Schrader Electronics Limited

    发明人： Stewart, William David ,  Strahan, Samuel Kane ,  McCall, Alan Kenneth

    IPC分类号： B60C23/04

    CPC分类号： B60C23/0408

    摘要： An apparatus for detecting motion of a wheel comprising tyre. The apparatus comprises a pressure sensor for measuring the tyre pressure and generating a signal corresponding to the measured tyre pressure, and means for detecting a component of said signal that corresponds to, or is generated by, vibrations of the tyre. Upon detection of the signal component, the apparatus determines that the wheel is in motion. The detecting means may arranged to detect an audio signal component or signal components having a frequency in the range 200 Hz to 300 Hz.

    摘要翻译： 用于检测车轮包括轮胎的运动的装置。 该装置包括一个压力传感器，用于测量轮胎压力，并产生对应于所测量轮胎压力的信号的装置，以及用于检测所述信号的分量并对应于，或者产生，轮胎的振动。 当检测到的信号分量的，该装置bestimmt，DASS模轮是在运动中。 所述检测装置可以设置在音频信号分量或具有范围为200Hz至300Hz的频率信号分量，以检测