The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2020
Filed:
Sep. 11, 2018
Walmart Apollo, Llc, Bentonville, AR (US);
Jeremy R. Tingler, Bentonville, AR (US);
Nicholaus A. Jones, Fayetteville, AR (US);
Alvin S. Taulbee, Springdale, AR (US);
Todd D. Mattingly, Bentonville, AR (US);
Walmart Apollo, LLC, Bentonville, AR (US);
Abstract
In some embodiments, systems and methods are provided to track objects at a retail store, comprising: a mobile RFID transmitter system comprising an array of RFID tags; multiple RFID tag readers; a tracking control circuit communicatively coupled with the multiple RFID tag readers, and configured to: receive, from a sub-set of RFID tag readers, RFID tag information of each detected first set of RFID tags of the array of RFID tags; obtain a first set of rules and evaluate over time the received RFID tag information and identify over time threshold changes from a set of base information of received RFID signals from the array of RFID tags, wherein the threshold change is consistent with a first object traveling between the array of RFID tags and a corresponding one of the first sub-set of RFID tag readers; and track the first object.