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Location from RFID tag and RFID tuner interaction

  • US 10,078,814 B1
  • Filed: 01/17/2017
  • Issued: 09/18/2018
  • Est. Priority Date: 12/15/2014
  • Status: Active Grant
First Claim
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1. An inventory system comprising:

  • a container configured to receive inventory items for transfer within the inventory system, the container comprising a radio frequency identification (RFID) tag;

    a RFID reader configured to directly detect transmission conditions of the RFID tag;

    a plurality of receiving surfaces, each receiving surface of the plurality of receiving surfaces configured to receive the container separately from the container being received by any other of the receiving surfaces of the plurality of receiving surfaces, each receiving surface of the plurality of receiving surfaces comprising a respective unique RFID tuner of a plurality of RFID tuners, each respective unique RFID tuner of the plurality of RFID tuners configured to interact with the RFID tag to cause the RFID tag to exhibit a respective unique transmission condition when proximally located with the respective unique RFID tuner and to not exhibit the respective unique transmission condition when not proximally located with the respective unique RFID tuner; and

    a management module configured to;

    access a unique transmission condition of the RFID tag detected by the RFID reader in response to the RFID tag being proximally located with a respective unique RFID tuner; and

    associate the container as being proximally located with a receiving surface of the plurality of receiving surfaces that corresponds to the respective unique RFID tuner.

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