Patent ID: 6402038
Filing Date: 2002-06-11
Classification: G06Q,G07F

Abstract:
A card charging system comprising:(a) a card read/write unit for prepaid or credit cards; (b) a transaction recording-payment facility; and (c) a security module located between the card read/write unit and the transaction recording-payment facility, the security module operable to communicate with the transaction recording-payment facility to enable a purchase to be made in return for an amount of credit debited from the card, the system further including a clearing centre to which debited amounts are signalled by the security module wherein said security module, in addition to one or more storage devices for amounts debited, includes one or more additional non-violatile storage devices for counting errors occurring at one or more of the transaction recording-payment facility and the card read/write unit and for transmitting related performance data to the clearing centre.