Portable data carrier, in particular a chip card
A data carrier and portable technology, which is applied to record carriers used in machines, activation of coded identification cards or credit cards, electrical solid state devices, etc., can solve the problem of portable data carriers not being used by users, and achieve the effect of increasing usage
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[0020] In the following, the invention will be described with reference to a portable data carrier in the form of a chip card 1 . A chip card comprises a microprocessor unit integrated in the chip 2 of the card. In the embodiment described here, the chip card is a card (for example a credit card) for carrying out monetary transactions, which transactions are controlled by means of a microprocessor unit. To this end, the chip card preferably comprises a contactless interface (not shown) communicating with a corresponding reading device, by means of which communication the monetary transaction is facilitated.
[0021] exist figure 1 In an embodiment of the present invention, the smart card 1 comprises a light sensor 3 and an acoustic sensor in the form of a microphone 4 in the upper region. Additionally provided are optical output means and / or display means (display) in the form of LEDs 5 and acoustic output means in the form of loudspeakers 6 . As shown schematically in the ...
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