MOISTURE DETECTION SYSTEM AND METHOD OF USE THEREOF
摘要
<p>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.</p>
申请公布号
EP1572507(B1)
申请公布日期
2015.11.18
申请号
EP20030790227
申请日期
2003.12.02
申请人
PITTSBURGH GLASS WORKS, LLC
发明人
BARGUIRDJIAN, PASCAL;HAIGRON, MICHEL;HAWK, ALLAN REX;KORAM, KWAKU KOI