作者: Ian A. Kyles , Gary Davis McCormack
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摘要: A system for sensing proximity using EHF signals may include a communication circuit configured to transmit via transducer an EM signal at frequency, and sense nearby field-modifying object by detecting characteristics of within the circuit. determining distance coupled transmitting receiving circuit, both circuits being mounted on first surface. The toward second surface, receive relayed from determine between surface based propagation signals.