Walmart Inc.
RFID tag tracking systems and methods in identifying suspicious activities

Last updated:

Abstract:

Some embodiments provide retail systems to detect suspicious movement patterns within a retail shopping facility, comprising: an array of camera systems, an array of RFID readers, and a shopping facility evaluation system configured to: receive RFID tag read information from RFID readers of a first RFID tag of a consumer item of a first product; access and apply a first set of rules to identify a first pattern of movement of the first RFID tag; access a set of historic movement patterns specific to the first product; cause an RFID reader to trigger the RFID tag to transition to a state to emit RFID tag information more frequently; access and apply a second set of rules identifying when the first pattern of movement corresponds with a historic movement pattern; and cause a notification to be communicated to a central evaluation system.

Status:
Grant
Type:

Utility

Filling date:

11 Nov 2019

Issue date:

28 Apr 2020