| 摘要 |
<p>Electronic circuit for monitoring supermarket shopping trolleys and corresponding prototype of trolley fitted with the circuit, for reducing to a minimum the movement and the checking out of products picked up by users and deposited by them in the trolley incorporating the said circuit, and provided as appropriate with the necessary electronic equipment, with electronic scales incorporated in the computer system, by means of the whole of which, at the check-out, the total price of the products picked up and deposited in the trolley is shown instantaneously on the corresponding display without the need to touch the goods which can already be placed in a suitable removable bag. <IMAGE></p> |
