A stored value system and method comprising a central server apparatus (10), one or more value added terminals (12), and one or more money-activated machines (14). The value added terminal (12) is designed to read smart cards (16) and to add cash value to the cards upon customer (18) input of an appropriate...http://www.google.fr/patents/US5936221?utm_source=gb-gplus-shareBrevet US5936221 - Smart card system and method for transferring value
Smart card system and method for transferring value