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Smartcard with coupling frame antenna

  • US 10,552,722 B2
  • Filed: 03/29/2018
  • Issued: 02/04/2020
  • Est. Priority Date: 08/10/2014
  • Status: Expired due to Fees
First Claim
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1. Smartcard comprising:

  • a card body (CB), wherein a given area of the card body is designated for receiving a transponder chip module (TCM) having a module antenna (MA);

    characterized by;

    a coupling frame antenna (CFA) comprising a conductive track routed around a perimeter of the card body, and further routed toward the interior of the card body to the area designated for receiving the transponder chip module, resulting in two portions of the coupling frame antenna (CFA) being closely adjacent one another with a gap (S, 203, 303) therebetween, the gap extending from a peripheral edge of the card body to the area of the card body designated for receiving the transponder chip module (TCM);

    wherein;

    the coupling frame antenna (CFA) comprises a single-turn, closed-loop circuit.

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