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Bar Code Fundamentals

Anatomy of a bar code:

 

Bars and Spaces reflect light (spaces) or the absence of light (bars) back to the scanner.

 

A set of modules or elements of varying widths represent data. The smallest module is called the x-dimension and is the fundamental key to the overall size of the bar code symbol and how it is scanned.

 

 

 

 

 

The x-dimension and it's relationship to scanning.

 

 

 

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