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Code 128
Code 128 is a linear 1D barcode. The
Code 128 character set includes the digits 0-9, the letters A-Z
(upper and lower case), and all standard ASCII symbols and control
codes. The codes are divided into three subsets A, B, and C. There
are three separate start codes to indicate which subset will be
used; in addition, each subset includes control characters to switch
to another subset in the middle of a barcode. Subset A includes the
standard ASCII symbols, digits, upper case letters, and control
codes. Subset B includes standard ASCII symbols, digits, upper and
lower case letters. Subset C compresses two numeric digits into each
character, providing excellent density.
Uses:
Code 128 provides excellent density for
all-numeric data and good density for alphanumeric data.
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