Electromagnetic transduction for wireless passive sensors

Abstract : Wireless sensors market is growing very fast these last years tanks to the availability of cheap, small and efficient micro-sensors, batteries, analog and RF circuits, and to the presence of standardized communication protocols. Even if these active sensors are very attractive for a lot of applications, they suffer from weak energy autonomy and they are not compatible with harsh environment. In order to overcome these problems, we have developed a new kind of wireless sensors using electromagnetic transducers and radar interrogation. These passive sensors (battery-less and without electronic components) have been studied for pressure, temperature, gas and stress applications.
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Patrick Pons, Hervé Aubert, Philippe Menini, Manos Tentzeris. Electromagnetic transduction for wireless passive sensors. EUROSENSORS XXVI, Sep 2012, Krakow, Poland. 10p. ⟨hal-00795996⟩

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