Patent ID: 8360207
Filing Date: 2013-01-29
Classification: G06Q,G07G

Abstract:
1. A security method comprising the steps of: a) obtaining cart identification information from a radio frequency identification label attached to a cart, obtaining of cart information being performed by a security computer at a security station; b) obtaining a first set of item identification information from a self-service computer transaction record using the cart identification information as an index to the transaction record; c) obtaining a second set of item identification information from a group of radio frequency identification labels attached to members of a second group of items in the cart, each of one or more members of the group bearing its own radio frequency identification label, the radio frequency identification label attached to an item providing information identifying that item, obtaining of the second set of item identification information being performed by the security computer; and d) comparing the first set of item identification information in the transaction record to the second set of item identification information to determine whether the second set of item identification information equals the first set of item identification information.