Patent 7778855 was granted and assigned to Infrared Integrated Systems Limited on August, 2010 by the United States Patent and Trademark Office.
A queue management system for e.g. supermarket checkouts uses counting devices located at checkouts and optimally entrances/exits in conjunction with P.O.S. information to produce a schedule of how many checkouts are needed to avoid queue length exceeding preset limits. The system includes a dynamic learning system which can optimise calculated schedules on the basis of historical data.