3.3.3 QR Code
This matrix code was developed by the company Denso and is particularly
widespread in Japan, although more recently it has been used within the industry
throughout the world.
Like the Datamatrix code, the QR Code can also be printed in a variety of sizes and
resolutions.
QR Code symbols are available in 40 sizes. The smallest version (= version 1) forms
a square of 21 x 21 modules, the largest one being 177 x 177 modules (= version
40), in which the distance between versions is always four modules. So version 2
consists of 25 x 25 modules, version 3 of 29 x 29 modules, etc. Module means the
smallest quadratic element in a symbol. Symbol in the case of the QR Code means
the combined entity of the module as a square.
An example for version 4, with 33 x 33 modules:
You can select the desired version using PCL Barcode Flash. But you must make
your selection so that your data can be accommodated. If you select a version that is
too small, the software prints an error message instead of the QR Code symbol.
If you fail to make a selection, the software automatically selects the smallest
possible version in which the base data can be accommodated.
There are five types of character sets available for the QR Code in PCL Barcode
Flash in which the data can be encoded in the symbol.
Numeric:
Digits 0 - 9
Alphanumeric:
Digits 0 – 9, letters A – Z, the space character and the characters $%*+-./:
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