EAN-2
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The EAN-2 is a supplement to the EAN-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 Numbers. 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.
| Digit | L-code | G-code |
|---|---|---|
| <templatestyles src="Mono/styles.css" />0 | <templatestyles src="Mono/styles.css" />0001101 | <templatestyles src="Mono/styles.css" />0100111 |
| <templatestyles src="Mono/styles.css" />1 | <templatestyles src="Mono/styles.css" />0011001 | <templatestyles src="Mono/styles.css" />0110011 |
| <templatestyles src="Mono/styles.css" />2 | <templatestyles src="Mono/styles.css" />0010011 | <templatestyles src="Mono/styles.css" />0011011 |
| <templatestyles src="Mono/styles.css" />3 | <templatestyles src="Mono/styles.css" />0111101 | <templatestyles src="Mono/styles.css" />0100001 |
| <templatestyles src="Mono/styles.css" />4 | <templatestyles src="Mono/styles.css" />0100011 | <templatestyles src="Mono/styles.css" />0011101 |
| <templatestyles src="Mono/styles.css" />5 | <templatestyles src="Mono/styles.css" />0110001 | <templatestyles src="Mono/styles.css" />0111001 |
| <templatestyles src="Mono/styles.css" />6 | <templatestyles src="Mono/styles.css" />0101111 | <templatestyles src="Mono/styles.css" />0000101 |
| <templatestyles src="Mono/styles.css" />7 | <templatestyles src="Mono/styles.css" />0111011 | <templatestyles src="Mono/styles.css" />0010001 |
| <templatestyles src="Mono/styles.css" />8 | <templatestyles src="Mono/styles.css" />0110111 | <templatestyles src="Mono/styles.css" />0001001 |
| <templatestyles src="Mono/styles.css" />9 | <templatestyles src="Mono/styles.css" />0001011 | <templatestyles src="Mono/styles.css" />0010111 |
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.
| Data to encode | Parity pattern | |
|---|---|---|
| <templatestyles src="Mono/styles.css" />00 | <templatestyles src="Mono/styles.css" />LL | Encode as 0 from L table followed by 0 from L table |
| <templatestyles src="Mono/styles.css" />01 | <templatestyles src="Mono/styles.css" />LG | Encode as 0 from L table followed by 1 from G table |
| <templatestyles src="Mono/styles.css" />02 | <templatestyles src="Mono/styles.css" />GL | Encode as 0 from G table followed by 2 from L table |
| <templatestyles src="Mono/styles.css" />03 | <templatestyles src="Mono/styles.css" />GG | Encode as 0 from G table followed by 3 from G table |
| <templatestyles src="Mono/styles.css" />04 | <templatestyles src="Mono/styles.css" />LL | Encode as 0 from L table followed by 4 from L table |
| <templatestyles src="Mono/styles.css" />05 | <templatestyles src="Mono/styles.css" />LG | Encode as 0 from L table followed by 5 from G table |
| <templatestyles src="Mono/styles.css" />06 | <templatestyles src="Mono/styles.css" />GL | Encode as 0 from G table followed by 6 from L table |
| <templatestyles src="Mono/styles.css" />07 | <templatestyles src="Mono/styles.css" />GG | Encode as 0 from G table followed by 7 from G table |
| <templatestyles src="Mono/styles.css" />... | <templatestyles src="Mono/styles.css" />... | |
| <templatestyles src="Mono/styles.css" />98 | <templatestyles src="Mono/styles.css" />GL | Encode as 9 from G table followed by 8 from L table |
| <templatestyles src="Mono/styles.css" />99 | <templatestyles src="Mono/styles.css" />GG | Encode as 9 from G table followed by 9 from G table |
| Start | 5 (L) | Separator | 3 (G) |
|---|---|---|---|
| <templatestyles src="Mono/styles.css" />01011 | <templatestyles src="Mono/styles.css" />0110001 | <templatestyles src="Mono/styles.css" />01 | <templatestyles src="Mono/styles.css" />0100001 |