A POS device functioning as a store complex checkout apparatus reads an information storage medium storing at least a product provision store code and a product code attached to products of the and other stores using a medium reading unit, refers to the product master file information and performs checkout...http://www.google.fr/patents/US7159769?utm_source=gb-gplus-shareBrevet US7159769 - Store complex checkout apparatus, transaction processing method and program
Store complex checkout apparatus, transaction processing method and program
