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    • 7. 发明授权
    • Anti-entrapment system
    • 防缉制度
    • US07513166B2
    • 2009-04-07
    • US11901831
    • 2007-09-19
    • David W. ShankRandall L. PerrinJohn Washeleski
    • David W. ShankRandall L. PerrinJohn Washeleski
    • G01B7/16
    • G01B7/22B60N2/002B60R21/01516B60R21/01532B60R21/0154E05F15/46E05Y2400/66E05Y2900/548G01D5/2417G01R27/2605H03K17/955H03K17/962H03K17/975H03K2017/9602H03K2217/96078
    • An anti-entrapment system for preventing objects from being entrapped by a translating device includes a capacitance sensor positioned adjacent to the translating device and a controller. The sensor has first and second conductors separated by a separation distance and a compressible dielectric element interposed between the conductors. The conductors have a capacitance dependent upon the separation distance. The capacitance of the conductors changes in response to a geometry of the sensor changing as a result of either conductor or the dielectric element deforming in response to a first object touching the sensor. The capacitance of the conductors changes in response to a second conductive object coming into proximity with either conductor. The controller receives a signal from the sensor indicative of the capacitance of the conductors, and controls the translating device as a function of the capacitance of the conductors to prevent the translating device from entrapping either object.
    • 用于防止物体被平移装置夹带的防抱死系统包括邻近平移装置定位的电容传感器和控制器。 该传感器具有分隔距离的第一和第二导体以及介于导体之间的可压缩介电元件。 导体具有取决于间隔距离的电容。 导体的电容响应于传感器的几何形状而变化,这是由于导体或电介质元件响应于第一物体接触传感器而变形的结果。 导体的电容响应于与任一导体接近的第二导电物体而变化。 控制器从传感器接收指示导体电容的信号,并根据导体的电容来控制平移装置,以防止平移装置夹住任一物体。