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NFC reader with remote antenna

  • US 10,108,825 B2
  • Filed: 03/22/2017
  • Issued: 10/23/2018
  • Est. Priority Date: 03/22/2017
  • Status: Active Grant
First Claim
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1. A near field communication (NFC) reader comprising,a first section;

  • a second section;

    wherein the first section includesan NFC controller;

    a filter coupled to the NFC controller, wherein the filter includes a filter capacitor;

    a first tuning circuit coupled to the filter, wherein the first tuning circuit includes a tuner capacitor that is electrically coupled in parallel to the filter capacitor, wherein the first tuning circuit includes a first cable connector adapted to receive a first end of a coaxial cable;

    wherein the second section includesa second tuning circuit, wherein the second tuning circuit includes a second tuner capacitor and a damping resistor, wherein the second tuning circuit includes a second cable connector adapted to receive a second end of the coaxial cable; and

    an antenna coupled to the second tuning circuit.

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