A card puncher for punching as a yardstick of use a card for getting coupon tickets on and used as tickets on omibuses and electric trains, and a method of controlling the card puncher. Data on a target quantity of conveyance of the card correponding to a position where the card is punched is stored...http://www.google.de/patents/US5019695?utm_source=gb-gplus-sharePatent US5019695 - Puncher and method of controlling the puncher
