Deposit detection when dispensing/returning returnable goods involves adding to data medium credit value when deposit made, adding to payment value when item returned

摘要

The method involves storing a credit value and a payout value in separate storage areas (1a-1d) on an electronic data medium (1), whereby in the event of issuing a returnable item a deposit value is added to the credit value, whereby for each return of the item a return value is added to the payment value and subtracted from the credit value and return is blocked if the credit value falls below a defined minimum value. AN Independent claim is also included for the following: a deposit detection arrangement.