A plurality of processors have a plurality pairs of input ports and output ports, and are constituted in a looped manner by connecting the output ports and the input ports of the same pairs of any number of processors. A transmission system is formed in which the data on the same loop is allowed to flow...http://www.google.com.au/patents/US5341504?utm_source=gb-gplus-sharePatent US5341504 - Multi-dimensional structured computer system
