Method of monitoring the transport of print products in a printing-field machine includes, in a first step, forming, in a control device, monitoring zones for leading and trailing edges of a print product, for a zone free of a print product and for a print-product zone, by initially determining the positions...http://www.google.com.au/patents/US5346202?utm_source=gb-gplus-sharePatent US5346202 - Method of monitoring the transport of print products in a printing-field machine
