In other barcodes, one character corresponds to a data which it expresses. In CODE-128, with selective use of start character, code set character,and shift character, one character can express three type of data in any position.
|=||following character expresses a full-ASCII.|
|=||following character expresses a 1-digit alpha-numeric or a mark.|
|=||following character expresses a 2-digit number.|
|CODE-A||:||changes the type of following character to full-ASCII.|
|CODE-B||:||changes the type of following character to 1-digit alpha-numeric.|
|CODE-C||:||changes the type of following character to 2-digit numbers.|
With its flexible functionality, it has adopted as UCC/EAN-128 Supplemental Code Symbol, which in full progress of its establishment as worldwide-common supplemental code for physical distribution.
In Japan, it is standardized in 1994, as JIS X 0503.
|* Character Set||
|* Code type||Continuous|
|* Length of symbol||variable|
|* Self Check||Yes|
|* Checkdigit||Needed (modulus 103)|
|* Character Density||about 5.83 chars/cm|
List of Barcode Types