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If you want the simplest answer, it detects sound. The use is as an alarm system, for example: if someone is trying to break into your house, so they break a window. a sound detector will sense the sound coming from the breaking glass and set off an alarm. Any other simple questions? lone wolf...
Wiki User
∙ 16y ago
Wiki User
∙ 9y agoA device or instrument designed to detect the presence of a particular object or substance and to emit a signal in response boi
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What is an ultrasonic sensor?
It is a motion detector that detects motion using sound waves
What is an ultrasonic motion sensor?
It is a motion detector that detects motion using sound waves
Onomatopoeia for when a metal detector sound?
Beep Boop Cling Clang Screech Ding Really dood, just use your imagination!
What is the sound method of detecting things?
the method for detecting things with sound is called as SONAR-sound navigation and radiation. in this mehod we need to know the speed of sound in that medium. and as we have the relation that speed=distance*time, we can use a detector-to know that the sound that we sent has returned and stopcock to get the time. the distance we get should be divided by 2 so as to get the distance of the object from the source.
When were Doppler ultrasounds invented?
Christian Doppler discovered the Doppler effect in 1842. He observed that the frequency of sound changes as the object of the sounds moves and the detector of the sound moves. Radar and medical devices use the Doppler effect to locate and provide images of scanned objects.
What is best for detecting sound?
A sound detector.
What is the antonym of sonar?
Sound detector
Can a smoke detector sound from heat only?
Then it wouldn't be a smoke detector, but there are fire alarms that are triggered by temperature.
Sound machine by Alexander Graham Bell?
metal detector
Can you hook a smoke detector up to a switch to make it sound?
Sure, but what you would have to do would be to put the switch in the TEST circuit of the detector.
Which instrument used to measure the sound under the water?
Sonar detector.
What is an ultrasonic sensor?
It is a motion detector that detects motion using sound waves
How do tell if heat ex is cracked in your furnace.?
a carbonmonoxide detector usually will sound off
What is an ultrasonic motion sensor?
It is a motion detector that detects motion using sound waves
What objects produces low pitch sound?
large,thick things produce a low pitch sound
What could be a reason a smoke detector did not make any sound?
It could be broken, or the battery may be dead.
What is a gas detector used for?
"A gas detector detects the presence of various gasses in a certain area that the detector has been placed. Since many gases are harmful, this is a useful item to have whether it be in your home or business. Several units will sound an alarm, and some will even shut down the source of the gas leak."
