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>> RFID Knowledge >> What is Smart Card


What is Smart Card?



A smart card is a card with a microchip in it. Such cards are used as a method of identification and authentication.

contact ic card jcop card and java card emtg97-3 card
Contact IC Card Jcop Card / Java Card EMTG97-3 Card

Plastic Cards that allow to withdraw money from a cash machine often are smart cards nowadays (Some of them still have a magnetic stripe which holds the same information). The very often the user is identified with a PIN. If the pin is entered correctly, money can be withdrawn. If the PIN is not entered correctly, the card is blocked (after a number of false attempts).

At first, smart cards were used in public telephones in France, in 1983. There, the card simply stored a pre-paid credit. This credit was reduced when calls were made. Another way to solve the problem is that the balance is stored in a remote database. To make calls, a (usually toll-free number) is first called. From there, additional calls can be made. This eliminates the need for cards with chips on them.

There are two basic kinds of smart cards:

Simple cards only contain memory that can be read and written to. Examples of this model are phone cards, or cards for health insurance. All the processing of the data is done outside the cards
Complex cards contain an integrated microchip. In addition to being able to store data, they can also do some of the data processing. Unlike with the simple cards, there is generally no way to directly access the memory of the card. Examples of such cards include the bank cards that can be used for withdrawing money, or the SIM cards used in mobile phones.
Both kind of cards contain a controller for managing the I/O.

Tags : Contactless smart card , Contact smart cards , Plastic smart card, Knowledge Of Smart Card

* Any question or inquiry about smart card and RFID related products, please send email to info@oprfid.com, we will reply you within 24 hours, thanks


 
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        A smart card is a small plastic card containing a computer chip. People use smart cards along with personal identification numbers (PINs) to log on to a network, a computer, or a device. Using a smart card is more secure than using a password because it's more difficult for someone to steal a smart card and learn your PIN than to learn your password. Smart cards are generally issued by information technology (IT) departments in large organizations. To use a smart card, you also need a smart card reader - a device that's installed in or connected to your computer and that can read the information stored on a smart card.