When it is iterated at change swindling prevention control manner of the vending machine, and time interval within the time when it can decide

摘要

PROBLEM TO BE SOLVED: To prevent swindles of changes or to reduce the damage of swindles of changes by preventing a lot of forged coins from being exchanged with true coins (swindle of change) in a short time. ;SOLUTION: In this change swindle prevention control method, when the insertion of coins is repeated at a time interval shorten than a predetermined time and the number of coins accepted at this time by denominations exceeds a preset limit value, reception of coins of that denomination and dispensation of change are controlled to be stopped for a predetermined time from the insertion of the final coin.;COPYRIGHT: (C)1999,JPO