| 摘要 |
The invention relates to a removable, small-size, low-mass electronic card, with a code recognition system, a microprocessor and a keyboard, as well as the associated fixed device for its use. This card allows its legitimate holder, after recognition of the code and verification of a predefined level of authority to control various types of equipment (industrial, office, public, private), to carry out banking and commercial transactions, to acquire computer data, to obtain access automatically to protected entrances, this card being stored after use in a wallet for example. <IMAGE>
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