A security system for inventory automatically detects removal of inventory items from an area or areas protected with security sensors. A person removing the item then scans an identifying code of the item, such as its bar code or radio-frequency identification (“RFID”) tag, with a device such as...http://www.google.com/patents/US20100198706?utm_source=gb-gplus-sharePatent US20100198706 - Security System for Inventory
