Both the contact and contactless card have its own strong points. Thus a new kind of smart card----dual face card comes into being. Strictly speaking, the saying of dual interface card is not very accurate, and it should be called dual interface card. In fact, it provides two ways of connecting with the outside simultaneously: the contact and contactless. The dual interface card has combined the advantages of the contact smart card and contactless smart card. It is a multifunction card. Its appearance conforms to the international standards of metal contact, similar as contactIC card. Meanwhile, the inner structure has the module of antenna and chip, like the contactless IC card.
The Application of Dual – Interface Card
Based on the advantages of the contact smart card and the contactless smart card, the dual interface card can be widely applied. It can meet the needs of multiple use of one card and it can be used in almost all the occasions. What’s more, the users of the contact smart card and the contactless smart card do not need to chang hardware such as the system and the machines and tools. What needs to do is modify the software to use the upgrade dual interface card. The typical applications are:
in the system of public traffic: such as the management of city bus, light rail, taxi, ferry etc. and upgrading the contactless smart card to transact directly with the bank etc.
in the areas of public charging in the city life: such as the telephone, ammeter, gas meter, water meter etc. the payment can be made by long-distance transaction or by bank.
in the system of public charging: such as highway, pontage, port, dock, parking, and entertainment places. It can realize the charging in a more convenient way such as charging without stopping the car.
in finances and stocks field: such as the bank, postal service, telecommunication, stock transaction, and consumption in the shopping mall etc.
in the entrance and exit management system: such as the management of job performance, work attendance, and security.
in the coding areas: such as the SIM card, the safe-guarantee card in E-commerce, the transferred account card of capital, the coding software card, the anti-fake card and burglarproof card etc.