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US 12,629,956 B2Granted
Card and method of producing the card
AssigneeGiesecke+Devrient Advance52 GmbH
InventorsCristina Fabian, Thorsten Sauer, Thomas Tarantino
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Abstract
The invention relates to a card including a computing unit for managing electronic coin data records, the electronic coin data records being issued by a central entity, and a card body with visible data and at least one visible feature. The central entity is at the same time the issuer or administrator of a series of banknotes and the at least one visible feature identifies the card as part of the series of banknotes to an observer. In addition, a method for producing such a card is also proposed.
Claims15
A card comprising:
- a card body;
- a semiconductor chip integrated within the card body and configured to store and manage electronic coin data records issued by a central entity;
- and
- an interface unit for contactless or contact-based communication between the card and a terminal or a second card;
- wherein the semiconductor chip is coupled to the interface unit and is configured to send an electronic coin data record to the second card or to receive an electronic coin data record from the second card by a secured transmission negotiated using a session key or a public-key infrastructure;
- wherein the card body has visible data, and
- wherein the card body has at least one visible feature defining a banknote series security element allowing authenticity verification of the card, the banknote series security element identifying a series of banknotes issued by the central entity, such that the at least one visible feature identifies the card as authentic to the central entity.
4 more elements
Dependencies are inferred from the claim text.