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.

Answers distribution

radar
echo sounding
infrared ranging
electromagnetic induction
answers
flagDenmark
6%
75%
12%
0%
16
flagGermany
10%
57%
19%
11%
157
flagRepublic of Ireland
7%
57%
26%
7%
26
flagCanada
10%
56%
30%
3%
30
flagLithuania
12%
56%
18%
12%
16
flagNorway
7%
55%
33%
0%
27
flagFrance
25%
54%
4%
16%
24
flagAustralia
5%
52%
17%
23%
17
flagPoland
13%
51%
23%
10%
10449
flagthe Netherlands
6%
50%
21%
21%
32
flagItaly
5%
50%
16%
27%
18
flagBelgium
21%
50%
0%
21%
14
flagthe United States
19%
45%
23%
9%
397
flagIndia
13%
45%
25%
11%
205
flagSweden
30%
45%
10%
15%
20
flagthe United Kingdom
15%
43%
27%
13%
246
flagPakistan
13%
40%
0%
46%
15
flagthe Philippines
15%
36%
21%
26%
19
flagCzech Republic
53%
23%
7%
15%
13
flagthe United Arab Emirates
9%
18%
54%
9%
11

Gender

men51%
women44%
radar
13%
9%
echo sounding
51%
44%
infrared ranging
25%
29%
electromagnetic induction
9%
16%

Language versions

question
answers
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What technique are these parking sensors using?
940
43%

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