I need some help with selling QR Code Based Business Promotions. QR Code
What is a QR Code?
The QR Code is a two-dimensional version of the barcode, known from product packaging in the supermarket. Originally developed for process optimization in the logistics of the automotive industry, the QR Code has found its way into mobile marketing with the widespread adoption of smartphones. "QR" stands for "Quick Response", which refers to the instant access to the information hidden in the Code. QR Codes are gaining popularity because the technology is "open source", i.e. available for everyone. Significant advantages of QR Codes over conventional barcodes are larger data capacity and high fault tolerance.
How is a QR Code structured?
The black and white checkered pixel patterns appear at first glance to be a small crossword puzzle and seem to be composed at random. But if you look closely, certain structures can be identified. For the scanner to recognize a QR Code as such, the Code must always be square. A number of additional elements ensure that the information is read correctly.
They indicate the direction in which the Code is printed.
If the QR Code is large, this additional element helps with orientation.
Using these lines, the scanner determines how large the data matrix is.
These specify the QR Code version that is being used. There are currently 40 different QR Code versions. For marketing purposes, versions 1-7 are normally used.
The format patterns contain information about the error tolerance and the data mask pattern and make it easier to scan the Code.
Data and error correction keys. These patterns hold the actual data.
This spacing is important for the scanning program in order to distinguish the QR Code from its surroundings.
What happens if a QR Code is damaged?
To ensure that the information contained in the QR Code can be read even if it is damaged, the data keys include duplications (redundancies).Because of this, up to 30% of the Code structure can be destroyed without affecting the readability of the Code.
What can be stored in a QR Code?
Up to 7089 digits or 4296 characters, including punctuation marks and special characters, can be entered in one Code. In addition to numbers and characters, words and phrases (e.g. Internet addresses) can be encoded as well. As more data is added to the QR Code, the Code size increases and the Code structure becomes more complex.
How do I scan a QR Code?