QR Code is a two-dimensional bar code, invented in Japan in 1994, in a subsidiary company of Toyota, Denso Wave.
Initially, this QR code (Quick Response) was used to mark car parts used in the production process. After a while, due to its ability to integrate a relatively large amount of data and because it has no fixed size, it start to be used successfully in several other domains of activity. The highest penetration was in the mobile devices. This area is booming and QR code seemed to be the ideal solution for data encryption of information that can be transmitted and stored easily in smartphones, tablets and other mobile devices. The highest spreading has in mobile devices which use Google Android operating system.
The code consists of black modules arranged in a square pattern on a white background. The information encoded can be made up of any kind of data (e.g., binary, alphanumeric, or Kanji symbols).
Together with a data structure format, QR code can contain: a business card, a phone calendar event, a useful web address, geographical position, coordinates GPS, SMS, email, etc.
Present application implements the most common formats and generate QR code associated.
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