Card for interaction with a computer

Details Card for interaction with a computer Card for interaction with a computer

H - Electricity

04

L

H04L 9/00 (2006.01) G08B 1/08 (2006.01) G08B 13/14 (2006.01) H04B 1/06 (2006.01) H04B 5/06 (2006.01)

Patent

CA 2345745

A smart card (40) comprising: a memory (46) for storing information; at least one transmitting or receiving antenna (42); and a low frequency circuit (44), for handling information associated with said antenna and said memory, which information is modulated at a frequency of between 5 kHz and 100 kHz. Preferably the antenna is an acoustic antenna.

Cette carte à microprocesseur comprend une mémoire permettant de stocker des données, au moins une antenne d'émission ou de réception et un circuit basse fréquence prenant en charge les données associées à l'antenne et à la mémoire. Ces données sont modulées à une fréquence de modulation comprise entre 5 kHz et 100 kHz. L'antenne est, de préférence, une antenne acoustique.

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