Disclosed is a registration system and a method useful for controlling and correcting the phase and position of simultaneously advancing webs having pre-printed objects spaced at a pitch length characterized by small but significant pitch variation to a target web. Also disclosed are consumer products,...http://www.google.de/patents/US6444064?utm_source=gb-gplus-sharePatent US6444064 - Registration system for phasing simultaneously advancing webs of material having variable pitch lengths
