Access cards are used in access control systems, such as access cards, access cards, parking cards, membership cards, etc. Before issuing access cards to end users, the available areas and user rights are determined by the system administrator. Users use access cards to swipe their cards into the management area. Users without access cards or permissions are not allowed to enter the management area.
With the strengthening of enterprise management consciousness, the management mode based on card utilization rate is becoming more and more popular. Bar code cards, magnetic stripe cards and contact ID cards are used as forms of patrol, access control, consumption, parking and club management. , in the intelligent community management to play its own unique role.
classify
There are many kinds of access cards, which can be divided into several categories according to the materials selected. Examples of finished access cards are as follows:
According to the shape
According to the shape, it is divided into standard cards and special cards. The standard card is an international uniform size, 85.5 mm× 54 mm× 0.76 mm. Now, due to the personalized demand, printing is not limited by size, which leads to many kinds of "weird" cards in various countries around the world, which we call special-shaped cards.
By card type
A) Magnetic card (ID card): The advantage is lower cost; One card per person, generally safe, can be connected to a microcomputer, and has a record of opening the door. The disadvantage is that the card and equipment are worn and the service life is short; Cards are easy to copy; Both directions are difficult to control. Card information is easily lost due to external magnetic field, which makes the card invalid.
B) Radio frequency card (IC card): The advantage is that the card has no contact with the equipment, and it is convenient and safe to open the door; Long service life and theoretical data of at least ten years; High security, can be connected to a microcomputer, and has a door opening record; Can realize bidirectional control; Cards are difficult to copy. The disadvantage is that the cost is higher.
Access to the access card, the access card must be in contact with the access card reader to complete the task. Induction access card, access card can complete the task of swiping the card within the induction range of the access control system.
Refer to Baidu Encyclopedia for the above content? Credit card