Shopping trolley for enabling customers in self-service shops to select products before paying and transport them in the shop and around after paying utilizes advertising surfaces on the trolley by attaching an electronic display

摘要

An electronic display and an accumulator-charger for a power supply are fitted to a shopping trolley. A receiver-interpreter for information broadcast over radio frequencies by a transmitter from a PC fitted in a shop is integrated in a display unit or VDU for displaying advertisements. The accumulator power supply on the trolley is charged by a special trolley security device in an area where trolleys are arranged and made available.