An interface provides a path to transfer data from a proprietary network to an open system. The proprietary network includes at least one module central processing unit (CPU) and a module memory associated therewith operatively connected to the proprietary network. A shared memory and shared memory logic...http://www.google.com/patents/US5530844?utm_source=gb-gplus-sharePatent US5530844 - Method of coupling open systems to a proprietary network
