Cashless vending system, method, vending machine, and center apparatus

摘要

A cashless vending system using a portable communication terminal, which can make a conventional vending machine into the cashless type with ease without requiring users to perform a complex operation. When a vending machine 1 detects that a change return lever is operated by a user after a settlement request code is issued, the vending machine 1 issues a settlement cancellation request code requesting the cancellation of a settlement according to the settlement request code, and a center device 3 performs cancel processing of the settlement according to the settlement cancellation request code received from the vending machine 1 via a portable telephone terminal 2.