A chip card with a counter, in particular a counter of unit or figures and method of implementation

摘要

In order to monitor statistically the commercial operations carried out by a smart card bearer the bearer's card is provided with auxiliary counters (9-13). The auxiliary counters counts the number of times a credit counter (7) or a gratuity counter are incremented or reduced, and therefore the number of times the bearer has made corresponding purchases. Moreover, a counter of cumulated gratuities not subject to reduction is also taken into account.