Method and apparatus for simplifying the handling of complex payment transactions

A predetermined amount, which may, in general, be zero, less than, the same as, or greater than a (yet-to-be-determined) final transaction amount, is charged upon first presentation of a payment device to a merchant. A final transaction amount is calculated, preferably at a central server, subsequen...

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Bibliographische Detailangaben
1. Verfasser:	Cowen, Michael J
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CHECKING-DEVICES COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES FARE-REGISTERING APPARATUS FRANKING APPARATUS PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TICKET-ISSUING APPARATUS
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Beschreibung
Zusammenfassung:	A predetermined amount, which may, in general, be zero, less than, the same as, or greater than a (yet-to-be-determined) final transaction amount, is charged upon first presentation of a payment device to a merchant. A final transaction amount is calculated, preferably at a central server, subsequent to the first presentation. A variable adjustment value is calculated, preferably at the central server, by comparing the predetermined amount already charged with the final transaction amount. A new predetermined amount charged, upon a subsequent presentation of the payment device, is modified by the variable adjustment value.