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Several variants of PDF417

- Mar 28, 2018 -

PDF417 also has several variants of the code form:

* PDF417 truncated code

In a relatively "clean" environment, where the possibility of bar code corruption is low, the right row indicator can be omitted and the terminator can be reduced.

* PDF417 microcode

Further reduced PDF code.

* Macro PDF417 code

When the file content is too long to be represented by a PDF417 code, it can be represented by a macro PDF417 code containing a plurality of (1 to 99999) bar code blocks.

Taking the PDF417 code as an example, the characteristics and features of the two-dimensional bar code are introduced.