26
BCL 558
i
Leuze electronic
4.4.3
Omnidirectional reading
In order to read arbitrarily oriented bar codes on an object, at least 2 bar code readers are
necessary. If the bar code is not printed over-square, i.e. bar length > code length, bar code
readers with integrated code fragment technology are necessary.
Figure 4.6:
Principle arrangement for omnidirectional reading