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The Code 11
barcode is a barcode symbol mainly used in the
telecommunications field. It was developed by Intermec in 1977
to meet the special application requirements of high information
density matrices.
Its name comes from
the fact that it can encode 11 characters, including the digits
0 to 9 and a dash (-), as well as a start/stop character,
usually printed as "*". Its structure is similar to the matrix
of 2/5.
An example of a Code
11 barcode application is the labeling of telecommunications
equipment, where it can be used to represent the device's serial
number or other information. For example, a Code 11 barcode
could represent a string like this: 123-456789. This barcode
consists of 12 characters, including the start and end symbols
(*), and each character consists of 5 lines, 3 black lines and 2
white lines.
Code 11 barcodes
are mainly used in the telecommunications field, such as
identifying telephone lines, switches, etc. It can also be used
to mark inventory, serial numbers, etc.
The reason why Code
11 barcodes are used in the telecommunications field is because
it can efficiently encode large amounts of digital information
and has high reliability and error tolerance because it has two
check digits, which improves reliability and error tolerance.
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