QR Code

The QR CODES (Quick Response Code) takes its origins in Japan and represents one of the communications tools via his mobile today.

The 2D code is a graphic label provides access to remote contents and distant digital services.

It was create by the Japanese company Denso-Wave in 1994, and it is at present the code in two dimensions the most popular in Asia.

One bar codes compound of vertical bars and spaces is said unidimensionnel (code 1D) while bar codes bidimensionnel (2D code) takes the shape of squares and space.

It is a square or a rectangle whose pixels take a boolean value (0 or 1) visually represented by black and white.