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Method for retrieving a shut state and/or a location of a closable container

  • US 9,922,215 B2
  • Filed: 12/17/2015
  • Issued: 03/20/2018
  • Est. Priority Date: 12/22/2014
  • Status: Active Grant
First Claim
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1. A method for retrieving a shut position and/or a location of at least one closable container, said method comprising the steps:

  • a) sending a signal via a first sending unit;

    b) receiving the signal with a near field antenna of the container, said antenna being connected to an RFID chip;

    c) generating a response signal by way of the RFID chip and transmitting the response signal, wherein, in the closed position of the container, a noncontact electromagnetic coupling exists between the near field antenna which is connected to the RFID chip, and which is arranged at the first or at the second container part, and a far field antenna being arranged at the other one of the first and second container part, respectively, andwherein the response signal is transmitted with a first range for communicating with a receiving unit and wherein, in the open position of the container, a response signal having a second range is transmitted for communicating with a receiving unit;

    d) monitoring if response signals are received by at least one receiving unit.

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