Puncher and method of controlling the puncher
US5019695A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1989 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Nov 15, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
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 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 memeory. A quantity of coast of the card after the drive of the card conveyer is teminated 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.