MOISTURE DETECTION SENSOR, MOISTURE DETECTION SENSOR DEVICE, AND MOISTURE DETECTION SENSOR SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a moisture detection sensor, moisture detection sensor device and moisture detection sensor system that are simply configured.;SOLUTION: A moisture detection sensor according to an embodiment has: a resonance circuit; a first coating member that covers a front surface of the resonance circuit; and a second coating member that covers a rear surface of the resonance circuit. A moisture detection sensor device has: a transmission unit that transmits an electromagnetic wave; a reception unit that receives the electromagnetic wave; a detection unit that detects a resonance frequency; and a determination unit that determines the detection of moisture. A moisture detection sensor system has: the moisture detection sensor; and the moisture detection sensor device.;SELECTED DRAWING: Figure 11;COPYRIGHT: (C)2020,JPO&INPIT