Basically it consists of 5 bars: 2 wide bars and 3 narrow bars. former 4 bars in 5 have weight and the sum of weight indicates the value.
As the table above, except 0, the sum of weight comes the digit of character. Adding a parity bit for self check, the number of 1 (= wide bar) comes to 2.
This simple structure breeds many type of 2 of 5 barcodes
Conversely, its low density and its simple bar structure, is suitable for cardboard printing, so it is now often used for management of physical distribution.
|* Character Set||Numeric|
|* Code Type||Discrete|
|* Length of symbol||variable|
|* Self Check||Yes|
|* Character Density||low density (not decided)|
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