The printwheel setting apparatus is used in a postage meter for setting the posting date printwheels. Each settable member of the apparatus includes digital encoding marks thereon. A charge coupled device is arranged to detect the encoding marks of one or more settable members simultaneously. A lens...http://www.google.fr/patents/US5440500?utm_source=gb-gplus-shareBrevet US5440500 - Settable printing apparatus
