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Advantage of non-contact smart card ID of the IC are:
1. High reliability and long service life
Between the card and reader without mechanical contact, avoid all kinds of failures arising due to the contactless reader, both for card printing, but also improves the reliability of the card‘s use. Especially in some harsh conditions, a noisy environment, the non-contact smart cards more prominent advantages. Because of its completely sealed package, not only can prevent the brutal card, non-card insert foreign objects, dust and oil as a result of being exposed, but also has water vapor, anti-static, anti-vibration and anti-electromagnetic interference superior characteristics;
2. Easy to operate, fast
As a result of the non-contact method of communication, the reader within a certain distance of the card can operate, so do not plug the card, but there is no directional non-contact smart card, users do not have to take out the card from the wallet to swipe , greatly improving the speed and convenience of operation of the system for each use.
3. Conflict prevention, good anti-jamming
Contactless smart cards in the main collision mechanism to prevent interference between the data card, you can "simultaneously" to handle multiple cards to improve the application of parallelism, potentially improves system efficiency and speed.
4. Ensure safety
Between the use of contactless smart card and reader authentication mechanism and three-way mutual recognition, the card each sector has its own password and access conditions for the operation, but also has to pass data encryption, passwords and access a password-protected transmission, anti counterfeit copy ensure the safety of use.
5. Wide range of applications, a multi-purpose card
Contactless smart card memory architecture features make it suitable for a multi-purpose card can be widely used in different systems, depending on the application the user can set different passwords and access conditions, truly card.
6. Small size, light weight, portable, reliable, stable performance, low cost.
Classification
Smart cards are the core of smart card technology, its performance and cost of the promotion and use of smart card technology plays an important role, in order to improve the scale and versatility of smart cards, the International Organization for Standardization for smart card interfaces and communication protocols specific provisions, smart card manufacturers have produced SIEMENS, ATMEL, GEMPLUS, MOTOROLA, MICROCHIP and other companies.
Smart Card is a semiconductor card. Semiconductor card using microelectronic technology for storage, processing information. According to its composition, smart cards can be divided into general memory card, encrypted storage cards, CPU cards and super smart cards:
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Non-encrypted memory card (Memory Card)
Commensurate with its embedded chip to ordinary serial E2PROM memory, some chip also increases the write protection in specific areas, such card information stored in a convenient, easy to use, inexpensive, many occasions to replace the card, but because it itself does not have information security function, therefore, only be used for less demanding applications where confidentiality.
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Encrypted memory card
Encrypted memory card (Security Card) embedded chips outside the store increased control logic prior to accessing the storage area need to check passwords, only the password is accurate, can be accessed manipulation, such information confidential better use with ordinary memory card is similar.
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CPU card (Smart Card)
CPU card embedded chip is equivalent to a special type of microcontroller, in addition to substandard with internal controller, memory, timing control logic, but also with the arithmetic unit and control system, because the CPU card has a large storage capacity, strong processing capacity, information storage and security features. Therefore, widely used in information security requirements are particularly high occasions.
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Super Smart Card
And a memory having the card MPU and equipped with a keyboard, a liquid crystal display and power, but also some of the card with fingerprint recognition devices.
According to data reading and writing, smart cards can be divided into contactless IC card and contactless IC card categories:
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Contactless IC card
The former is in contact with the contacts of the read-write device and the contacts on the card, read and write data; ISO7816 series of international standards for this type of IC card has been specified.
For details, please contact: Wang 13828760722 qq: 1005412312