| 摘要 |
A device for controlling the load of a shopping cart that comprises means (1) for receiving a common shopping cart (4) adapted to contain articles (40) selected by a customer comprise rails or guide (13), identical and parallel adapted to receive the shopping cart (4) and under which load cells are provided (Ia) for weighing of the shopping cart (4). Furthermore, means is provided for reading (11) of codes that travel with the shopping cart (4) and are used by the customer for scanningthe articles (40) selected by the client. A computer (10) receives the codes by downloading means for downloading and calculates the total weight of the articles (40), as well as receives a signal by the load cells (Ia) and the compares with the total calculated weight. Then, is emitted a signal that, if the comparison is right, causes to the control means (10) visualizino on a shield (12) the total to pay and the total weight of the articles as well as actionsno the opening the rod (5). In case opposite, is emitted an alarm signal that requires a verification manual. |
