Tag: Quick Response Code

  • Home
  • Tags
  • Quick Response Code

QR code

The QR code (Quick Response Code; 2D code) was developed at Denso (Japan) in 1994. It is square and easy to recognize thanks to its search aids, light and dark squares nested in each other in three corners. The symbol elements are squares, of which there are at least 21 x 21 and a maximum […]
Read More