A versatile production system in which a communication-memory unit is attached to a product, or to a pallet carrying the product, while the product is conveyed along the production line. The communication-memory unit communicates with a line host controller via line terminals located at production line...http://www.google.com.au/patents/US5434790?utm_source=gb-gplus-sharePatent US5434790 - Versatile production system and pallet used for the system
