The EAN-2 is a supplement to the
EAN Ean may refer to:
People
* Ean Campbell (1856–1921), Anglican bishop in the early 20th century
* Ean Elliot Clevenger, multi-instrumentalist, vocalist, and songwriter
* Ean Evans (1960–2009), bassist for Lynyrd Skynyrd from 2001 until his de ...
-13 and UPC-A barcodes. It is often used on magazines and periodicals to indicate an issue number.
Encoding
The encoding of EAN-2 characters is very similar to that of the other
European Article Number
The International Article Number (also known as European Article Number or EAN) is a standard describing a barcode symbology and numbering system used in global trade to identify a specific retail product type, in a specific packaging configurati ...
s. The only difference is that the digits are separated by 01. The EAN-2 always begins with "01011". Also, the R-Code is not used.
The structure of the barcode is based on the value of the two digit to be encoded. The two digits treated as a single two-digit number is reduced modulo 4 and used to find the parity pattern to be used. The parity pattern repeats every 4 values.
{, class="wikitable" style="text-align:center"
, +Example - encoding 53
, -
! Start !! 5 (L) !! Separator !! 3 (G)
, -
, , , , , , , {{mono, 0100001
References
U.P.C. Symbol Specification Manual - Appendix D
Barcodes