Method and device for adapting a chip card to different card...

Details Method and device for adapting a chip card to different card... Method and device for adapting a chip card to different card...

G - Physics

06

K

G06K 7/10 (2006.01) G06K 7/00 (2006.01) G06K 19/07 (2006.01)

Patent

CA 2220102

The invention concerns a method and device for adapting chip cards (7) to card terminals (9) which exchange energy and data with the chip cards (7) by means of electromagnetic waves (8, 19), the chip cards (7) comprising an electronic circuit (3, 4, 10, 11), contactless connection means (6) and optionally an electrical energy store (18). The electromagnetic waves (8, 19) emitted by the different card terminals (9) differ from one other in terms of one or a plurality of physical features (frequency, phase, etc.). The chip card (7) can differentiate between the waves (8, 19) received from different card terminals (9) according to these different features, evaluate the waves and, depending on the result of the evaluation, activate different functional parts (CCl1, CCl2, CClX) of the circuit (3, 4, 10, 11). The chip card (7) absorbs energy and exchanges data according to the special function of the functional part activated in each case.

L'invention concerne un procédé et un dispositif permettant d'adapter des cartes à puce (7) à différents terminaux de cartes (9) qui échangent de l'énergie et des données avec les cartes à puces (7) à l'aide d'ondes électromagnétiques (8, 19). Les cartes à puces (7) comprennent un circuit électronique (3, 4, 10, 11), des éléments de raccordement (6) sans contact, ainsi que, le cas échéant, un accumulateur d'énergie électrique (18). Les ondes électromagnétiques (8, 19) émises par différents terminaux de cartes (9) se distinguent les unes des autres par au moins une caractéristique physique, telle que la fréquence, la phase, etc. La carte à puce (7) peut distinguer les ondes reçues (8, 19), provenant de différents terminaux de cartes (9), en fonction de ces différentes caractéristiques, évaluer ces ondes et activer différentes unités fonctionnelles (CCl1, CCl2, CClX) du circuit (3, 4, 10, 11) selon le résultat de l'évaluation. La carte à puce (7) absorbe l'énergie et échange les données selon la fonction spécifique de chaque unité fonctionnelle activée.

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