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A QR code is a specific matrix barcode (or two-dimensional code), readable by QR barcode readers and mobile phone cameras. The code consists of black (or dark) modules arranged in a square pattern on a white (or light) background.
The encoded information can be an URL, text or data. (Max. 250 characters)
Common in Japan, where it's by Toyota subsidiary Denso-Wave in 1994, the QR code is one of the most popular types of two-dimensional barcodes.
QR stands for Quick Response, as the creator intended that the coded data is very quickly decrypted.
The technology is used in Japan and South Korea frequently. In the West there is a much slower adoption of QR codes.
QR codes on an enamel sign can be hung for years out in the sun, they are not influenced by UV light. The sign will be perfectly readable even after several years.
Want to create a QR code see qrcode.kaywa.com
On this website you can easily make your own QR code.
(Please choose size XL for the enamel signs.).
QR codes are of particular interest to marketeers because, they offer the possibility to measure the response with a high degree of precision allowing for easier ROI (return on investment) calculation.