Unit comprising data memory card and reading/writing-device

Details Unit comprising data memory card and reading/writing-device Unit comprising data memory card and reading/writing-device

G - Physics

06

K

G06K 19/07 (2006.01) G07F 7/10 (2006.01)

Patent

CA 2182346

A description is given of a method of extending the period of validity of smart cards, without the said cards having to be surrendered by their owner. For this purpose, use is made of reading/writing devices which are installed near smart card users and, by means of extension passwords sent to the owner by a central issuing agency, extend the date of validity of the smart card.

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