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Near-field RFID reader antenna

  • US 8,212,679 B2
  • Filed: 07/22/2009
  • Issued: 07/03/2012
  • Est. Priority Date: 12/10/2008
  • Status: Expired due to Fees
First Claim
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1. A near-field radio frequency identification (RFID) reader antenna, comprising:

  • a dielectric layer;

    at least one signal line formed on the dielectric layer;

    a ground surface formed under the dielectric layer;

    at least one ground line formed under the dielectric layer to be electrically connected to the ground surface in parallel with the signal line;

    at least one signal stub formed to be electrically connected to the signal line toward the ground line; and

    at least one ground stub formed to be electrically connected to the ground line toward the signal line in parallel with the signal stub.

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