Last Updated
：2025/11/25
induction loop
（ plural ）
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An electromagnetic communication and detection system, relying on the fact that a moving magnet will induce an electrical current in a nearby conducting wire.
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induction loop
An induction loop installed under the road detects the magnetic field changes caused by moving vehicles and triggers the traffic signal.
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An induction loop installed under the road detects the magnetic field changes caused by moving vehicles and triggers the traffic signal.
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