Beijing card company manufacturers, shaped VIP, VIP Yichun provided by Orient million cards. We are Beijing Oriental one hundred million card Intelligent Technology Co., Ltd. (www.dfykzk.com) located at: Beijing Daxing District, specializing in: membership cards, magnetic stripe cards, Gold, Silver, transparent card, IC card, pvc card, VIP magnetic English name of the card: magnetic card A card-type magnetic recording medium, and a variety of card readers and related systems used in conjunction. Magnetic recording is the use of some information of the magnetic carrier, used to identify the identity of the card or other purposes. Depending on the use of different substrates, magnetic card can be divided into PET, PVC card and paper card three; depending magnetospheric structure is different, can be divided into two kinds of magnetic stripe cards and full coat. Easy to use magnetic stripe cards, VIP cards are cheap, extremely versatile, can be used to make credit cards, bank cards, subway card, bus card, ticket cards, phone cards, electronic game cards, tickets, tickets and transportation charges of kind cards. Today, on many occasions we will use magnetic stripe cards, such as in the cafeteria dining, shopping at the mall, bus, phone calls, enter restricted areas and so on. Magnetic stripe and track: There are three tracks on the magnetic stripe. Track 1 and Track 2 is read-only tracks in the use of the information recorded on the track only promised to write or read without modification. Track 3 Bath VIP for read and write tracks, can be read when used, can also be written. Track 1 can record digital (0-9), letters (az) and some other symbols (such as brackets, separators, etc.) Laundry VIP, the largest record 79 numbers or letters. Track 2 and 3 characters recorded only numbers (0-9). Track 2 recorded maximum 40 characters, tracks three characters maximum record 107 all-called smart card identification card (Identification Card), is written in a non-inductive card, with a fixed number, mainly Taiwan SYRIS of EM format American HIDMOTOROLA other types of smart cards. Like the smart card and magnetic card, are simply used the "card number" only, in addition to the card number on the card, but without any security features profiled VIP, the "card" is a blatant *** exposed. So the smart card is the "magnetic induction." System consists of cards, card readers and backstage controller. Works as follows: 1, the reader will send out carrier signal via antenna, the carrier frequency is 125KHZ (THRC12) or 13.56MHZ (THRC13); 2, the smart card into the reader into the work area by card inductance coil carrier signal and the capacitance of the reader resonant circuit composed of the received transmission, the RF chip card interface module thereby produce a supply voltage signal, a reset signal and the system clock to the chip, "active"; 3, the chip control module to read the After the data memory code modulation phase modulation on a carrier, the card back to the reader antenna; 4, card reader received echo signal demodulation, decoding sent backstage after the computer; 5, background computer based on the legitimacy of the card number, make the appropriate treatment and control for different applications