| 摘要 |
A detector indicating ice formation on the wing of an aircraft or any planear surface, based on a thread-like or a tape-like transducer, through which a supersonic signal is transmitted at one end. The attenuation of the signal having passed through the thread is measured with a receiver at the opposite end while the thread is simultaenously being heated such that ice that may surround it melts again, the attenuation thus resuming its initial level.
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