Radio-wave sensor

摘要: The object of the present invention is to provide a low power consumption, compact radio wave sensor capable accurately detecting presence and mobile status detected within detection area, having superior S/N ratio. comprising: an oscillator circuit 1 for producing high-frequency signal; ground electrode 3 formed on one surface substrate 2 dielectric body or approximately entire interior thereof, acting as antenna 6 other substrate, radiating signal beam receiving which collides with reflected back from object; element 7 received by 6; wherein terminals connected via frequency adjustment line 12 adjusting 6, terminal 3; at position different that electrical feeding point (in Fig., conducting hole 13a) provided supply electricity produced 1.