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    • 2. 发明授权
    • Contact sensitive device
    • 接触敏感设备
    • US08274480B2
    • 2012-09-25
    • US10482865
    • 2002-07-03
    • Darius Martin Sullivan
    • Darius Martin Sullivan
    • G09G5/00
    • G06F3/0436G06F3/043
    • A contact sensitive device (10) comprising a member (12) capable of supporting bending waves, a first sensor (16) mounted on the member for measuring bending wave vibration in the member, the sensor (16) determining a first measured bending wave signal and a processor which calculates information relating to a contact on the member (12) from the measured bending wave signal, the processor applying a correction based on the dispersion relation of the material of the member (12) supporting the bending waves, characterized in that the device (10) comprises a second sensor (16) to determine a second measured bending wave signal which is measured simultaneously with the first measured bending wave signal and the processor calculates a dispersion corrected function of the two measured bending wave signals which is selected from the group consisting of a dispersion corrected correlation function, a dispersion corrected convolution function, a dispersion corrected coherence function and other phase equivalent functions to determine information relating to the contact.
    • 一种包括能够支撑弯曲波的构件(12)的接触敏感装置(10),安装在所述构件上用于测量构件中的弯曲波振动的第一传感器(16),所述传感器(16)确定第一测量弯曲波信号 以及处理器,其根据所测量的弯曲波信号计算与所述构件(12)上的接触有关的信息,所述处理器基于支撑所述弯曲波的构件(12)的材料的色散关系来应用校正,其特征在于, 装置(10)包括第二传感器(16),用于确定与第一测量弯曲波信号同时测量的第二测量弯曲波信号,并且处理器计算两个测量的弯曲波信号的色散校正函数,该函数选自 由色散校正相关函数,色散校正卷积函数,色散校正相干函数等构成的组 相位等效函数来确定与联系有关的信息。