Development of Proximity Sensor Focusing on Variations in Antenna Impedance

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  • アンテナインピーダンスの変化に着目した近接センサの開発

Abstract

<p>Proximity sensors that can be operated without contact are attracting attention as a countermeasure against infectious diseases. In this paper, the proximity sensing method using the variations in the antenna impedance is explained. Here, different descriptions are used for near and far regions. A prototype circuit is made to prove the phenomenon and performed measurements using it. The measurement results matched the expected ones. In the future, we will improve the performance with the aim of commercialization.</p>

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