介绍了一种利用智能卡电子门锁实现工厂进出管理的方案，阐述了系统组成及工作原理，重点给出了IC卡的读写电路和读写程序。
The paper introduces a project in which the intelligent lock is used for entrance management of the factory , expounds the system composition and operational principle , gives the circuit and program of the IC card .
智能卡门锁