A self-checkout system for processing an article with an security tag attached thereto includes a self-checkout station, a product code input device, a deactivation device and a prompting system to provide instructions to a user. The system can automatically prompt a user to pass an article within a...http://www.google.co.uk/patents/US20020123932?utm_source=gb-gplus-sharePatent US20020123932 - Self-checkout system with anti-theft deactivation device
