05295064 is referenced by 383 patents and cites 2 patents.

A shopping cart display system includes a cart mounted display that is responsive to unique trigger signals provided by respective transmitters associated with respective fixed locations. When the display receives a unique trigger signal, it displays advertising associated with the respective location. In one embodiment, the display includes a sensor for determining whether the information is displayed in the presence of a customer, and a memory for storing all trigger signals received during a given shopping trip. The stored data are transmitted to a polling transceiver located at a point of sale register for later analysis. Provision is made for the customer to request and receive information, such as deli numbers.

Title
Intelligent shopping cart system having cart position determining and service queue position securing capability
Application Number
99288
Publication Number
5295064
Application Date
July 13, 1989
Publication Date
March 15, 1994
Inventor
Joseph P Moser
Glendale Heights
IL, US
John Malec
Chicago
IL, US
Agent
Fitch Even Tabin & Flannery
Assignee
VideOcart
IL, US
IPC
G06F 15/24
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