System for supplying various departments of large self-service stores with department-specific information

摘要

A system shopping cart for use in multi-department self- service stores is shown and described. The cart includes a digital memory for storing information specific to a department. Information is transferred to the cart by infrared light transmission coming from transmitters located in each department. The cart includes a display which provides a visual message for the cart user, and also includes an infrared transmitter for transmitting information to a department infrared transceiver for the purpose of identifying cart location and time for the purpose of customer shopping pattern analysis.