Guard Bar

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    Also known as:
    
    guard pattern
    
  

  

  
  
Fixed bar patterns at the start, center, and end of EAN/UPC barcodes that frame the data region.


  



  

  
  
  
  

    
Related Symbologies

    

      
      
        UPC-A
      
      
      
        EAN-13
      
      
    

  

  
  

  
  
  
  

    
Related Terms

    

      
      UPC-A
      
      EAN-13
      
      Start Character
      
      Stop Character
      
    

  

  
  

  
  
  

    
Related Content

    

      
      
        

          
          
EAN-13 Deep Dive: The World's Most Scanned Barcode

          
          Symbology Deep Dives
          
        

        
        
        
…digit) and a right half (6 digits), separated by a center guard pattern. Encoding System EAN-13 uses three character sets: L codes…