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:
Mar. 25, 2014
Filed:
Nov. 22, 2011
P. Daniel Kangas, Raleigh, NC (US);
Jeff D. Thomas, Raleigh, NC (US);
P. Daniel Kangas, Raleigh, NC (US);
Jeff D. Thomas, Raleigh, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A point of sale system and method are disclosed wherein a shopping bag has one or more RFID loop type antenna. An example system includes a bag holder for securing the shopping bag while items are placed in it. Multiple bag holders may be incorporated on a carousel, which can be rotated to move an empty bag to a filling station at the checkout counter, and to move filled bags to an open area for the customer or cashier to retrieve the filled shopping bags. An RFID reader in communication with the bag holder uses one of the RFID loop antennas to read the RFID tags on the items placed in the bag. In a shopping bag having more than one RFID loop antenna, the RFID system controller may monitor the impedance of each RFID loop antenna and dynamically select one of the RFID loop antennas on the shopping bag as a function of the impedances.