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Self checkout with security checks based on categorized items

  • US 10,157,379 B2
  • Filed: 11/12/2014
  • Issued: 12/18/2018
  • Est. Priority Date: 11/12/2014
  • Status: Active Grant
First Claim
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1. A method of implementing distinct security check types for distinct categories of items during self-checkout, the method comprising:

  • receiving a list of items to be purchased as part of a desired transaction at a physical store, each item in the list of items comprising a physical item selected from a plurality of items available for sale;

    generating a plurality of sub-lists by operation of one or more computer processors, based on the list of items and based further on a predefined association between each item available for sale with a respective one of a plurality of security check categories, each sub-list pertaining to a distinct one of the plurality of security check categories and containing only those items in the list that are associated with the respective security check category;

    generating;

    (i) a first instruction to present only the items on a first of the plurality of sub-lists for a first security check associated with a first of the plurality of security check categories and (ii) a second instruction to present only the items on a second of the plurality of sub-lists for a second security check associated with a second of the plurality of security check categories, wherein the first and second security checks are of distinct security check types, wherein the items on the first sub-list include one or more items of a first item type and one or more items of a second item type; and

    outputting the first and second instructions in order to cause the first and second security checks to be performed on the items on the first and second sub-lists, respectively, during self-checkout, wherein the items on the first sub-list are presented on a scale, wherein the first security check comprises a weight verification that includes;

    upon determining that a total weight from a single weighing of the items in the first sub-list on the scale exceeds, by at least a threshold difference, an expected total weight determined for the items in the first sub-list, generating and outputting an alert indicating an error detected by the first security check, wherein the desired transaction is not completed until the error is corrected.

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