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
10%
57%
25%
7%
28
flagGermany
10%
56%
18%
12%
164
flagLithuania
12%
56%
18%
12%
16
flagthe Netherlands
5%
54%
20%
20%
35
flagCanada
12%
54%
29%
3%
31
flagNorway
7%
53%
35%
0%
28
flagPoland
13%
51%
22%
10%
11115
flagFrance
26%
50%
7%
15%
26
flagAustralia
5%
50%
22%
22%
18
flagItaly
5%
50%
16%
27%
18
flagBelgium
21%
50%
0%
21%
14
flagthe United States
19%
45%
24%
9%
407
flagIndia
13%
45%
25%
11%
218
flagSweden
30%
45%
10%
15%
20
flagthe United Kingdom
15%
43%
26%
13%
265
flagPakistan
11%
41%
5%
41%
17
flagUU
20%
40%
16%
24%
25
flagthe Philippines
15%
36%
21%
26%
19
flagthe United Arab Emirates
7%
21%
42%
21%
14

Gender

men50%
women44%
radar
13%
9%
echo sounding
50%
44%
infrared ranging
26%
29%
electromagnetic induction
9%
16%

Language versions

question
answers
results
flag
What technique are these parking sensors using?
973
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.