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Code 11

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Title: Code 11  
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Subject: Barcodes, Patch Code, RM4SCC, SPARQCode, EZcode
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Code 11

"0123452" encoded in Code 11

Code 11 is a barcode symbology developed by Intermec in 1977. It is used primarily in telecommunications. The symbol can encode any length string consisting of the digits 0-9 and the dash character (-). One or two modulo-11 check digit(s) can be included.

It is a discrete, binary symbology where each digit consists of three bars and two spaces; a single narrow space separates consecutive symbols. The width of a digit is not fixed; three digits have one wide element, while the others have two wide elements.

The valid codes have one wide bar, and may have one additional wide element (bar or space).

Code 11 digits
Code Meaning Code Meaning
||▮ 0 | ▮| 6
▮|▮ 1 || ▮ 7
| |▮ 2 ▮| | 8
▮ || 3 ▮|| 9
|▮▮ 4 |▮| - (dash)
▮▮| 5 |▮ | * (start/stop)
Code 11 decoding
Wide
element
Wide bar
Left Middle Right
Left bar 9 5 1
Left space 3 6 2
Middle bar 5 - 4
Right space 8 * 7
Right bar 1 4 0

External links

  • Code 11 Symbology Specification
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