Device for checking waiting queues, especially in supermarkets

摘要

Device for checking waiting queues, especially in supermarkets, characterised by the fact that it comprises: - at least one sales counter 34 equipped with a microprocessor 32 connected to a receiver 40 and a transmitter 22 and a key 42 for indicating the progress of the queue, - a number of carriages 4, each of which is provided with a booking key 12 for the counter and a microprocessor 8 connected respectively to a receiver 14 tuned to the frequency of the transmitter 22 of the counter, to a message indicator 20 and to a transmitter 16 tuned to the frequency of the receiver 40 of the counter. IMAGE