Introduction - If you have any usage issues, please Google them yourself
In 1994 by Japanese company Denso-Wave invention (QB06102506). QR is in English " Quick Response" acronym, which means quick response, from the inventors hope the QR code which it can contents to be decoded quickly. QR Code is most common in Japan, and Japan' s most popular two-dimensional space bar. QR Code can store more data than ordinary bar code, does not need as common as barcode scanning needs in linear collimation scanner.