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Reading RFID tag using antenna within enclosure

  • US 8,937,532 B2
  • Filed: 06/26/2012
  • Issued: 01/20/2015
  • Est. Priority Date: 06/26/2012
  • Status: Active Grant
First Claim
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1. A method of reading an RFID tag using an RFID reader, comprising:

  • providing an RF-blocking enclosure having a port, wherein an antenna of the RFID reader is located within the enclosure;

    positioning the enclosure so that the port is adjacent to a conductive surface and the RFID tag is within the enclosure;

    activating the RFID reader at a selected read power level to read the tag in the enclosure; and

    wherein the RFID reader transmits on a selected wavelength, the enclosure is configured so that the port and the antenna are separated by a distance substantially equal to a multiple of one-quarter of the selected wavelength, and the positioning step includes positioning the RFID tag in the port.

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