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    • 2. 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
    • 8. 发明申请
    • Rain sensor with capacitive-inclusive circuit
    • 雨电传感器,带电容式电路
    • US20070157722A1
    • 2007-07-12
    • US11340859
    • 2006-01-27
    • Vijayen Veerasamy
    • Vijayen Veerasamy
    • G01W1/00
    • 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, sunroof or backlite). In certain example embodiments of the invention, at least one sensing capacitor is supported by a window such as a vehicle windshield, the capacitor(s) having a field that is affected by moisture (e.g., rain) on a surface of the window. A sensing circuit outputs an analog signal that is based on and/or related to the capacitance(s) of the sensing capacitor(s). The analog output of the circuit may be converted to a digital signal, and subjected to processing (e.g., correlation) for determining whether moisture (e.g., rain, dew, fog, etc.) or the like is present on the surface of the window.
    • 用于感测窗户(例如车辆窗户(例如车辆挡风玻璃,天窗或背衬))上的湿气(例如雨)和/或其他材料的存在的系统和/或方法。 在本发明的某些示例实施例中,至少一个感测电容器由诸如车辆挡风玻璃的窗户支撑,电容器具有受到窗口表面上的水分(例如雨)的影响。 感测电路输出基于和/或与感测电容器的电容相关的模拟信号。 电路的模拟输出可以转换为数字信号,并进行处理(例如相关),以确定窗口表面上是否存在水分(如雨,露,雾等)等 。
    • 9. 发明申请
    • Rain sensor with sigma-delta modulation and/or footprinting comparison(s)
    • 具有Σ-Δ调制和/或占位比较的雨传感器
    • US20070157721A1
    • 2007-07-12
    • US11340864
    • 2006-01-27
    • Vijayen Veerasamy
    • Vijayen Veerasamy
    • G01W1/00G05B5/00G08B21/00
    • 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, sunroof or backlite). In certain example embodiments of the invention, at least one sensing capacitor is supported by a window such as a vehicle windshield, the capacitor(s) having a field that is affected by moisture (e.g., rain) on a surface of the window. A sensing circuit outputs an analog signal that is based on and/or related to the capacitance(s) of the sensing capacitor(s). The analog output of the circuit may be converted to a digital signal via sigma-delta modulation, and subjected to processing (e.g., correlation) for determining whether moisture (e.g., rain, dew, fog, etc.) or the like is present on the surface of the window.
    • 用于感测窗户(例如车辆窗户(例如车辆挡风玻璃,天窗或背衬))上的湿气(例如雨)和/或其他材料的存在的系统和/或方法。 在本发明的某些示例实施例中,至少一个感测电容器由诸如车辆挡风玻璃的窗户支撑,电容器具有受到窗口表面上的水分(例如雨)的影响。 感测电路输出基于和/或与感测电容器的电容相关的模拟信号。 电路的模拟输出可以通过Σ-Δ调制转换为数字信号,并进行处理(例如,相关),以确定湿度(如雨,露,雾等)等是否存在于 窗的表面。
    • 10. 发明申请
    • Rain sensor with fractal capacitor(s)
    • 具有分形电容器的雨传感器
    • US20070157720A1
    • 2007-07-12
    • US11340847
    • 2006-01-27
    • Vijayen Veerasamy
    • Vijayen Veerasamy
    • G01W1/00G05B5/00G08B21/00
    • 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, sunroof or backlite). In certain example embodiments of the invention, at least one sensing capacitor is supported by a window such as a vehicle windshield, the capacitor(s) having a field that is affected by moisture (e.g., rain) on a surface of the window. The at least one sensing capacitor may have a fractal geometry in certain example embodiments of this invention. The sensing circuit may output an analog signal that is based on and/or related to the sensing capacitor(s). The analog output of the circuit may be converted to a digital signal, and subjected to processing (e.g., correlation) for determining whether moisture (e.g., rain, dew, fog, etc.) or the like is present on the surface of the window.
    • 用于感测窗户(例如车辆窗户(例如车辆挡风玻璃,天窗或背衬))上的湿气(例如雨)和/或其他材料的存在的系统和/或方法。 在本发明的某些示例性实施例中,至少一个感测电容器由诸如车辆挡风玻璃的窗户支撑,电容器具有受窗口表面上的湿气(例如雨)影响的场。 在本发明的某些示例性实施例中,至少一个感测电容器可以具有分形几何形状。 感测电路可以输出基于感测电容器和/或与感测电容器相关的模拟信号。 电路的模拟输出可以转换为数字信号,并进行处理(例如相关),以确定窗口表面上是否存在水分(如雨,露,雾等)等 。