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Systems and methods for monitoring condition compliance via RFID tag

  • US 10,360,488 B2
  • Filed: 09/27/2018
  • Issued: 07/23/2019
  • Est. Priority Date: 09/28/2017
  • Status: Active Grant
First Claim
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1. A radio frequency identification (RFID) tag for monitoring condition compliance, the RFID tag comprising:

  • a first chip and a second chip;

    an antenna;

    a switch, wherein the switch is configured to switchably connect the first chip to the antenna and the second chip to the antenna based on occurrence of a condition;

    a memory device; and

    a control circuit, the control circuit configured to;

    write, in response to a connection between the first chip and the antenna, a first marker and an indication of a first state to the memory device;

    write, in response to a connection between the second chip and the antenna, a second marker and an indication of a second state to the memory device;

    determine, based on the second marker and the first marker, an amount of time in which compliance was not met; and

    transmit, to an RFID reader, an indication of the amount of time in which compliance was not met.

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