WIRELESS SAW MOISTURE SENSOR

The present disclosure provides methods and systems for wireless moisture sensing. In one illustrative embodiment, a moisture sensor includes a sensor probe and one or more wirelessly-interrogable SAW devices. The sensor probe may have two spaced conductors, with a probe capacitance therebetween. Th...

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Main Authors BOSTAN, Cazimir Gabriel, GEORGESCU, Ion, AVRAMESCU, Viorel
Format Patent
LanguageEnglish
French
German
Published 28.10.2020
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Abstract The present disclosure provides methods and systems for wireless moisture sensing. In one illustrative embodiment, a moisture sensor includes a sensor probe and one or more wirelessly-interrogable SAW devices. The sensor probe may have two spaced conductors, with a probe capacitance therebetween. The probe capacitance may be dependent upon the moisture content proximate the two spaced conductors. A wirelessly-interrogable SAW device of the moisture sensor may have a resonance frequency that is dependent on the probe capacitance of the sensor probe. Temperature correction of the SAW device may be provided. Such a moisture sensor 600 may be made compact, robust, and easily deployable.
AbstractList The present disclosure provides methods and systems for wireless moisture sensing. In one illustrative embodiment, a moisture sensor includes a sensor probe and one or more wirelessly-interrogable SAW devices. The sensor probe may have two spaced conductors, with a probe capacitance therebetween. The probe capacitance may be dependent upon the moisture content proximate the two spaced conductors. A wirelessly-interrogable SAW device of the moisture sensor may have a resonance frequency that is dependent on the probe capacitance of the sensor probe. Temperature correction of the SAW device may be provided. Such a moisture sensor 600 may be made compact, robust, and easily deployable.
Author BOSTAN, Cazimir Gabriel
AVRAMESCU, Viorel
GEORGESCU, Ion
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DocumentTitleAlternate CAPTEUR D'HUMIDITÉ SAW SANS FIL
DRAHTLOSER SAW-FEUCHTIGKEITSSENSOR
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Snippet The present disclosure provides methods and systems for wireless moisture sensing. In one illustrative embodiment, a moisture sensor includes a sensor probe...
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SubjectTerms INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
Title WIRELESS SAW MOISTURE SENSOR
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