Card puncher and method of controlling the puncher

G - Physics – 06 – K

Patent

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235/74

G06K 1/04 (2006.01) G06K 1/02 (2006.01) G07B 11/07 (2006.01) G07F 7/02 (2006.01)

Patent

CA 2004089

A card puncher for punching as a yardstick of use a card used for getting coupon tickets on and used as tickets on omnibuses and electric trains, and a method of controlling the card puncher. Data on a target quantity of conveyance of the card corresponding to a position where the card is punched is stored in memory. A card conveyer is driven to convey the card by a quantity corresponding to data on the target quantity of conveyance stored in the memory. A quantity of coast of the card after the drive of the card conveyer is terminated is measured. If the sum of the target quantity of conveyance and the measured quantity of coast of the card is within a predetermined allowable limit, the card is punched. If otherwise, data on the target quantity of conveyance in the memory is corrected such that the sum falls within the predetermined allowable limit, the card is returned to a position where the punching starts and the punching operation is retried.

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