Bar codes have become widely popular because
of their reading speed, accuracy, and superior functionality characteristics.
As bar codes became popular and their convenience
universally recognized, the market began to call for codes capable
of storing more information, more character types, and that could
be printed in a smaller space.
As a result, various efforts were made to increase
the amount of information stored by bar codes, such as increasing
the number of bar code digits or laying out multiple bar codes.
However, these improvements also caused problems
such as enlarging the bar code area, complicating reading operations,
and increasing printing cost.
2D Code emerged in response to these needs and
problems |
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