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Antenna design and interrogator system

  • US 8,810,371 B2
  • Filed: 06/11/2009
  • Issued: 08/19/2014
  • Est. Priority Date: 06/12/2008
  • Status: Active Grant
First Claim
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1. A communication method for enabling communication between a first device and a second device, the method comprising:

  • providing a first signal representing a radio frequency (RF) signal;

    providing a second signal representing a power signal;

    providing a third signal representing at least one of a control signal and a data signal;

    providing a single cable for carrying the first, second and third signals;

    the third signal being carried on the second signal;

    providing a first layer of series parallel spaced conductors through which currents are sequentially switched to produce tangential and normal magnetic field components; and

    providing a second parallel layer of orthogonally oriented parallel spaced conductors that provide three-dimensional operations where currents are sequentially switched in both layers.

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