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    • 10. 发明申请
    • Rain sensor for detecting rain or other material on window of a vehicle or on other surface
    • 用于在车辆窗户或其他表面上检测雨或其他材料的雨量传感器
    • US20070162201A1
    • 2007-07-12
    • US11340869
    • 2006-01-27
    • Vijayen Veerasamy
    • Vijayen Veerasamy
    • G06F17/00
    • B32B17/10036B32B17/10174B32B17/10761B60S1/0818B60S1/0822B60S1/0825G06K9/00791
    • A system and/or method for sensing the presence of moisture (e.g., rain) and/or other material(s) on a window such as a vehicle window (e.g., vehicle windshield or backlite). In certain example embodiments, a capacitor-based system and/or method is provided for auto-correlating sensor data to determine the existence of a material on the window, and then cross-correlating sensor data to identify the type and/or amount of that material (e.g., rain). This data may be used to actuate and/or deactivate a vehicle's wiper(s), and/or adjust wiper speed. In certain example embodiments, the sensor may include an array of at least two capacitors. In certain example embodiments, the system and/or method may perform check(s) to enhance the accuracy of the detection by comparing, for example, the sign of autocorrelation values, maximum autocorrelation values, and/or gradients of autocorrelation values
    • 用于感测诸如车辆窗口(例如,车辆挡风玻璃或背衬)的窗户上的湿气(例如雨)和/或其他材料的存在的系统和/或方法。 在某些示例性实施例中,提供基于电容器的系统和/或方法用于自动相关传感器数据以确定窗口上的材料的存在,然后将传感器数据互相关联以识别该类型和/或数量 材料(如雨)。 该数据可用于致动和/或停用车辆的刮水器,和/或调节刮水器的速度。 在某些示例性实施例中,传感器可以包括至少两个电容器的阵列。 在某些示例实施例中,系统和/或方法可以通过比较例如自相关值的符号,最大自相关值和/或自相关值的梯度来执行检查以增强检测的准确性