The EAN-2 is a supplement to the
EAN Ean may refer to:
People
* Ean Campbell (1856–1921), Scottish Anglican cleric, bishop of Glasgow and Galloway
* Ean Elliot Clevenger, American multi-instrumentalist, vocalist, and songwriter
* Ean Evans (1960–2009), bassist for Lynyrd Skynyr ...
-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
International Article Number, also known as European Article Number (EAN), is a global standard that defines a barcode format and a unique numbering system used in retail and trade. It helps identify specific types of retail products based on thei ...
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