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Method for RFID Communication Using Inductive Orthogonal Coupling For Wireless Medical Implanted Sensors and Other Short-Range Communication Applications

  • US 20140062717A1
  • Filed: 08/30/2013
  • Published: 03/06/2014
  • Est. Priority Date: 08/31/2012
  • Status: Abandoned Application
First Claim
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1. A passive transmitter tag device suitable for implantation into a subject, said device comprising:

  • (a) a non-linear impedance element or time-varying element for introducing harmonics or frequency-shifted signal components into a back-emf produced by a sinusoidal carrier signal;

    (b) an energy harnessing element;

    (c) sensor/transducer for monitoring a patient condition, wherein said sensor is operably connected to said non-linear impedance element or time-varying element.

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