What technique are these parking sensors using?
radar
echo sounding
infrared ranging
electromagnetic induction
Typical parking sensors are ultrasonic, often a clicking sound may be heard close by. There are also less popular electromagnetic sensors, that do not require any holes in the bumper, but detect metal objects only.
reach: rather globalcarselectronicsparking sensorsphysicssensorstechnology
Answers by country
radar
echo sounding
infrared ranging
electromagnetic induction
answers

23

45

733

72

20415

816

144

38

34

20

584

57

21

280

66

50

35

24

30

22