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Magnetic coupling device and methods for use therewith

  • US 9,793,954 B2
  • Filed: 04/28/2015
  • Issued: 10/17/2017
  • Est. Priority Date: 04/28/2015
  • Status: Active Grant
First Claim
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1. A coupling device comprising:

  • a receiving portion that receives a radio frequency signal conveying data from a transmitting device; and

    an electromagnetic coupler, that electromagnetically couples the radio frequency signal to a transmission medium as a guided electromagnetic wave that is bound by an outer surface of the transmission medium, wherein the electromagnetic coupler comprises a cavity resonator that responds to the radio frequency signal by generating a magnetic field that induces the guided electromagnetic wave on the transmission medium via electromagnetic coupling and wherein the cavity resonator operates below a cut-off frequency of a desired guided wave mode.

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