A basic element for the interconnection network of a fast packet switching node, where a synchronization is made at bit input stream level, the cell beginning is identified and a stream conversion from the serial form to a word parallel form is performed. Cells are thus transformed in a completely parallel...http://www.google.com.au/patents/US5307343?utm_source=gb-gplus-sharePatent US5307343 - Basic element for the connection network of a fast packet switching node