Patent ID: 11875215
Assignee: CENTILOC
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. Method for locating an electronic ID tag on a near-field communication surface, said surface comprising a plurality of antennas, each antenna having a position according to an axis which corresponds to maximum flux of the antenna according to said axis, and at least one circuit for reading electronic tags that is connected to said antennas in order to supply said antennas with power and communicate with said electronic ID tag, wherein the method comprises:
sending a command to the electronic ID tag by means of a selected antenna from the plurality of antennas;
receiving a response from the electronic ID tag and memorizing the response or the lack of response of the tag, by the selected antenna;
repeating the steps of sending a command and receiving a response, until each of the plurality of antennas has sent at least one command; and
calculating a position of the electronic ID tag according to a number of responses or to a response time of the electronic tag.