Value transfer system

Details Value transfer system Value transfer system

G - Physics

07

F

G07F 7/10 (2006.01) G07F 7/08 (2006.01)

Patent

CA 2220099

The invention is concerned with systems for transferring value between electronic purses, usually in the form of IC or "Smart" cards, via the intermediary of an interface device. In order to control the flow of value between purses a hierarchical class structure is proposed. This is achieved by assigning to each purse a class which controls the conditions under which value may be transferred to an from (mainly from) a purse. Thus each purse stores in memory a representation of its own class, together with a list of those classes to which the purse can transfer value.

L'invention concerne des systèmes pour transférer des valeurs entre des porte-monnaies électroniques se présentant habituellement sous la forme de cartes à circuits intégrés ou de cartes "intelligentes", par l'intermédiaire d'un dispositif d'interface. La structure hiérarchisée de classes particulière proposée permet de contrôler le flux des valeurs entre les porte-monnaies. A cet effet, une classe attribuée à chaque porte-monnaie permet de contrôler les conditions dans lesquelles les valeurs peuvent être transférées vers et (surtout) hors de ce porte-monnaie. Chaque porte-monnaie a, en mémoire, une représentation de sa classe propre, ainsi qu'une liste des classes auxquelles le porte-monnaie peut transférer des valeurs.

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