| 摘要 |
A customer loyalty card implemented as a smart card ( 180 ), including a microchip ( 200 ) provided with a processor ( 304 ) and a memory ( 306 ) as well as a data transfer connection ( 302 ) for two-way data transfer with a point-of-sale terminal device. The memory ( 306 ) contains a set of card-specific basic information ( 320 ), at least one bonus purse ( 340 ), an applet ( 310 ) provided with a set of functions as well as a programming interface ( 312 ) for calling said functions. The functions include reading and writing the bonus purse ( 340 ) in response to an input received via the data transfer connection ( 302 ). The invention further relates to a point-of-sale terminal system for processing a customer loyalty card, and to a central system for controlling point-of-sale terminal systems.
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