公开(公告)号：US06802205B2

公开(公告)日：2004-10-12

申请号：US10308670

申请日：2002-12-03

申请人： Pascal Barguirdjian ,  Michel Haigron ,  Allan Rex Hawk ,  Kwaku Koi Koram

发明人： Pascal Barguirdjian ,  Michel Haigron ,  Allan Rex Hawk ,  Kwaku Koi Koram

IPC分类号： G01N502

CPC分类号： B60S1/0822 ,  B32B17/10036 ,  B32B17/10293 ,  B60S1/0829 ,  B60S1/0877 ,  G01F23/261 ,  G01N27/223

摘要： A moisture detection system includes an electrical conductor disposed on a surface of a substrate. The electrical conductor has a resonant frequency that varies as a function of an amount of moisture present adjacent the electrical conductor. An oscillator outputs an oscillator signal at a predetermined amplitude and a predetermined frequency. A resonator circuit is coupled to the electrical conductor and is responsive to the oscillator signal and the resonant frequency of the electrical conductor for outputting a resonator signal having an amplitude related to the resonant frequency of the electrical conductor. A filter circuit rectifies and filters the resonator signal and provides it to an analog-to-digital converter which outputs a digital signal related to the rectified and filtered resonator signal. A controller is responsive to the digital signal for causing a system associated with the substrate to operate in accordance with the digital signal.

摘要翻译： 水分检测系统包括设置在基板的表面上的电导体。 电导体具有作为电导体附近存在的水分的量的函数而变化的谐振频率。 振荡器以预定的振幅和预定频率输出振荡器信号。 谐振器电路耦合到电导体，并响应于振荡器信号和电导体的谐振频率，用于输出具有与电导体谐振频率相关的振幅的谐振器信号。 滤波器电路对谐振器信号进行整流和滤波，并将其提供给模数转换器，其输出与经整流和滤波的谐振器信号相关的数字信号。 控制器响应数字信号使得与衬底相关的系统根据数字信号进行操作。

公开(公告)号：US07296461B2

公开(公告)日：2007-11-20

申请号：US11516769

申请日：2006-09-06

申请人： Pascal Barguirdjian ,  Michel Haigron ,  Allan Rex Hawk ,  Kwaku Koi Koram ,  Shelby Chun ,  Charles S. Voeltzel

发明人： Pascal Barguirdjian ,  Michel Haigron ,  Allan Rex Hawk ,  Kwaku Koi Koram ,  Shelby Chun ,  Charles S. Voeltzel

IPC分类号： G01N5/02

CPC分类号： G01N27/12 ,  B32B17/10036 ,  B32B17/10174 ,  B60S1/0822 ,  B60S1/0829 ,  B60S1/0877

摘要： A moisture detection system includes an electrical conductor disposed on a surface of a substrate, an oscillator for outputting an oscillator signal at a predetermined amplitude and a predetermined frequency, and a resonator circuit coupled to the electrical conductor and responsive to the oscillator signal for outputting a resonator signal having an amplitude related to a resonant frequency of the electrical conductor. A filter circuit responsive to the resonator signal can output a rectified and filtered signal, and an analog-to-digital converter responsive to the rectified and filtered signal can output a digital signal related to the rectified and filtered signal. A sensor can be provided having a property that varies as a function of a temperature at or adjacent the electrical conductor. A controller can be responsive to the digital signal and the property of the sensor for causing another system to operate as a function thereof.

公开(公告)号：US07263875B2

公开(公告)日：2007-09-04

申请号：US11503615

申请日：2006-08-14

申请人： Allan Rex Hawk ,  Kwaku Koi Koram ,  Shelby Chun

发明人： Allan Rex Hawk ,  Kwaku Koi Koram ,  Shelby Chun

IPC分类号： G01N5/02

CPC分类号： B60S1/0822 ,  B32B17/10036 ,  B32B17/10293 ,  B60S1/0829 ,  B60S1/0877

摘要： A moisture detection system includes a moisture detector having a first electrical conductor, a first substrate having the first electrical conductor disposed on one surface thereof, a spacing layer coupled to the other surface of the first substrate, a second substrate having one surface thereof coupled to a surface of the spacing layer opposite the first substrate, and an electrically conductive layer disposed on a surface of a substrate opposite the spacing layer. A second electrical conductor can be disposed on the same surface of the first substrate as the first electrical conductor. The first and second electrical conductors can define interdigitated fingers. Circuitry is provided for stimulating the first electrical conductor with a predetermined frequency oscillator signal and for outputting a control signal that is responsive to the response of the first electrical conductor to the oscillator signal and an amount of moisture adjacent the first electrical conductor.

摘要翻译： 水分检测系统包括具有第一电导体的水分检测器，具有设置在其一个表面上的第一电导体的第一衬底，与第一衬底的另一个表面耦合的间隔层，第二衬底，其一个表面耦合到 间隔层的与第一基板相对的表面，以及设置在与间隔层相对的基板的表面上的导电层。 第二电导体可以设置在与第一电导体相同的第一基板的表面上。 第一和第二电导体可以限定交叉指状物。 提供电路，用于以预定的频率振荡器信号刺激第一电导体，并且用于输出响应于第一电导体对振荡器信号的响应的控制信号和与第一电导体相邻的水分量。