近年来,日本和西欧发行了一种无法伪造、涂改的智能卡,卡的大小、厚薄与普通的塑料信用卡一样。智能卡的一面与普通信用卡相同,而另一面却有字键和液晶显示屏幕,以薄如纸、使用寿命长达3年的锂电池作电源,智能卡的微型电脑能与外界的终端电脑联接。智能卡具有计时、日历、计算及贮存文字图像信息等多种功能。智能卡分智能信用卡和智能激 In recent years, Japan and Western Europe have issued a smart card that cannot be forged or altered. The size and thickness of the card are the same as those of ordinary plastic credit cards. One side of a smart card is the same as an ordinary credit card, while the other side has a key and a liquid crystal display screen. A thin lithium-ion battery with a lifespan of as long as 3 years is used as a power source. The smart card’s micro computer can be connected to an external terminal computer. The smart card has many functions such as timing, calendar, calculation and storage of text and image information. Smart Cards for Smart Credit Cards and Smart Cards