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AUTOMATIC CHECKOUT AND INVENTORY CONTROL

  • US 3,737,631 A
  • Filed: 07/12/1971
  • Issued: 06/05/1973
  • Est. Priority Date: 07/12/1971
  • Status: Expired due to Term
First Claim
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1. In the method of merchandising articles wherein a plurality of articles are selected from stock and transferred to a checkout station for totaling the total price of said selected articles by use of gravitational weighing means, the steps of forming a group of individual pricing media having incremental gravitational weight variations therebetween corresponding to respective price variations over a price range of said stock articles, associating with each stock article prior to article selection an individual pricing media having a predetermined gravitational weight representing a price of the corresponding article associated therewith and distinguishing that price from all other prices, disassociating said pricing media from articles after selection, and then simultaneously weighing with said weighing means said disassociated pricing media to obtain a collective gravitational weight thereof whereby said total price can be determined from said collective gravitational weight without identifying either the individual price of a selected article or the gravitational weight of an individual pricing media.

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