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
flagRepublic of Ireland
14%
58%
20%
5%
34
flagItaly
4%
57%
14%
23%
21
flagLithuania
12%
56%
18%
12%
16
flagGermany
11%
55%
17%
14%
188
flagthe Netherlands
5%
55%
19%
19%
36
flagCanada
12%
54%
29%
3%
31
flagPoland
13%
52%
22%
10%
12128
flagNorway
8%
50%
32%
5%
34
flagFrance
25%
50%
12%
12%
32
flagBelgium
25%
50%
0%
18%
16
flagAustralia
10%
47%
21%
21%
19
flagIndia
11%
46%
26%
11%
242
flagthe United States
19%
45%
23%
9%
425
flagthe United Kingdom
15%
45%
25%
12%
288
flagSweden
31%
45%
9%
13%
22
flagUnknown
18%
43%
21%
15%
69
flagthe Philippines
15%
40%
20%
25%
20
flagPakistan
16%
38%
5%
38%
18
flagthe United Arab Emirates
12%
18%
43%
18%
16

Gender

men50%
women44%
radar
13%
8%
echo sounding
50%
44%
infrared ranging
26%
29%
electromagnetic induction
9%
17%

Language versions

question
answers
results
flag
What technique are these parking sensors using?
1040
43%

Details

Author: globalquiz.org
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.