PROBLEM TO BE SOLVED: To investigate a customer flow while managing a commodity, when a customer brings out an article from a storage means such as a shelf storing the article such as the commodity or a book and performs purchase, borrowing or examining.;SOLUTION: This customer flow investigation system 200 is a system installed as a part of a commodity management shelf system. When the customer 281 sequentially puts the commodities 203 in a shopping basket 282 in first to third commodity display places 271-273, time when each commodity 203 vanishes from the shelf and an individual ID thereof are stored. When adjusting the commodities 203 by a POS terminal 228, it is known that the customer moves in order of the time when the commodity is brought out among a group of the commodities that are targets of the lump-sum adjustment, so that the customer flow is calculated.;COPYRIGHT: (C)2005,JPO&NCIPI
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