The Application Of Computer Technique To Access Control

With the advance of safety request and the promotion of management level, every company need strengthen the management of the personnel in and out. Access control is used by many companies, but the most of them are single access control, it's unfitted to the company that has many doors. They cannot be managed uniformly and have not the additory function such as Stat, demand and checking on work attendance. This item is developed according to above demand.Network access control means to manage all of the access within the company. Every staff can enter into the area according to his popedom. This item uses a set of computer as a main controller, and connect all access subsystems with network. A subsystem consists of a door controlled and a card reader. Every staff within company has a IC card. The data of card is kept in the database of controller, and operator can edit its popedom. They will be matched when the card is used. When we set the popedom, not only the area where can enter into must be considered, but also the time must be considered. In this item, the computer technique, network communication technique, digital controlling technique and auto identifying technique. After this item is used, we can control the staff who is in and out area high safety demand. After we realize the basic function, we can extend the additory function of access control, such as checking on work attendance, recording passing in and out area of high safety demand. At one time, it's very advantageous to users that only a card can open many doors.