Guangzhou magnetic stripe card, magnetic stripe card management, membership card magnetic stripe, smart card Cho Han

Cho Han smart card is the production of bar code card, barcode card making, barcode card company sales. The company Bar code identification technology is quite mature, it reads the error rate is about one-millionth of a fast reliable high input, high accuracy, low cost, wide application of automatic data collection techniques. First, the product specifications size: 85.6 * 54cm * 0.8mm Second, the principle: making identification when it is scanned with a bar code reader, get a group of reflected light signal, this signal after photoelectric conversion into a set of lines Blank corresponding electrical signals, after decoding reduced to the corresponding digit, and then into a computer. Third, the bar code encoding technology in the world, about 225 kinds of more than one-dimensional bar codes, each one-dimensional bar code has its own set of coding specifications, the provisions of each letter (which may be text or numeric or alphanumeric) is composed of several lines (Bar) and several blank (Space) composition, and arrangement of the letters. Usually the more popular one-dimensional bar code 39, Code 128, EAN codes, UPC codes, as well as books and periodicals devoted to the management of ISBN, ISSN, etc. Fourth, the application range of applications is very wide bar code card, such as shopping malls, supermarkets, convenience stores, medical card, borrow