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Priority to FI932530ApriorityCriticalpatent/FI94379C/en
Publication of FI932530A0publicationCriticalpatent/FI932530A0/en
Publication of FI932530ApublicationCriticalpatent/FI932530A/en
Publication of FI94379BpublicationCriticalpatent/FI94379B/en
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Publication of FI94379CpublicationCriticalpatent/FI94379C/en
An electronic payment system comprising a plurality of portable electronic devices 31 containing information, which electronic devices always include at least one memory for storage of information, in which memory usable electronic cash sums have been stored, and at least one data transfer device 30 for consumption and transfer of information containing the electronic cash sums of the device 31. The information-containing device 31 has a memory for storage of consumed electronic cash sums with information relating to its owner, according to the person to whom the payment is due. <IMAGE>
FI932530A1993-06-031993-06-03
Electronic payment system
FI94379C
(en)