detector, sensor, sensing elementnoun
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
rectifier that extracts modulation from a radio carrier wave
electronic equipment that detects the presence of radio signals or radioactivity
A device capable of registering a specific substance or physical phenomenon.
Smoke detectors are mandatory in public buildings.
one who, or that which, detects; a detecter
Etymology: [L., a revealer.]
A detector is a device that recovers information of interest contained in a modulated wave. The term dates from the early days of radio when all transmissions were in Morse code, and it was only necessary to detect the presence of a radio wave using a device such as a coherer without necessarily making it audible. A more up-to-date term is demodulator, but "detector" has a history of many decades of use, even if it is a misnomer.
The Standard Electrical Dictionary
A portable galvanometer, often of simple construction, used for rough or approximate work.
The numerical value of detector in Chaldean Numerology is: 7
The numerical value of detector in Pythagorean Numerology is: 9
The metal detector policy for the House flooris unnecessary, unconstitutional, and endangers members, i did not comply tonight.I will not comply in the future.
It was my first visit to this farmers land in Suffolk, after walking up an incline in the field, my Deus detector gave off a strong signal and within a short space of time I had recovered over 93 coins.
Some cars get stopped more often than others. When I get stopped, I start recording, i have Waze on my cell phone that tells me, with considerable accuracy, where police or highway patrol are located. I have an escort radar detector to alert me. I make sure I am mentally and physically alert.
Knowing that many gang members go to schools, if for nothing more [than] to recruit and sell drugs, they're going to be able to resolve their disputes in the classrooms, in the lunchrooms, within the school buildings itself, because now they won't even fear… a pat-down or having to go put their backpack through a metal detector, this is not focusing on what the real problem is.
This lady from Holland contacted me through Facebook Messenger and said her father was looking with a metal detector in the area of Market Garden in Holland and he found my dad’s helmet from World War 2, i said I would pay the postage on it and he said, ‘absolutely not, I will send it free of charge’.
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