Barcode: Difference between revisions

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The barcode as printed on the item.
The full barcode as printed on the item.
* We do not use this field for other numbers.
* We do not use this field for other numbers.
* If two barcodes are listed, they are separated with a semi-colon.
* If two barcodes are listed, they are separated with a semi-colon.
* No_barcode is checked if no barcode is present.
* No_barcode is checked if no barcode is present.
* The barcode field can be turned off for a series if no issues have a barcode.
* The barcode field can be turned off for a series if no issues have a barcode.
* On the compare page a note will say if the number is a valid barcode according to the [http://en.wikipedia.org/wiki/Universal_Product_Code UPC] or [http://en.wikipedia.org/wiki/European_Article_Number EAN] standard. Note that publishers might have used barcodes which do not fulfil these standards, for example Marvel (till 1987) and DC (till July 1988) did use barcodes without the necessary check digit at the end.
* On the compare page a note will say if the number is a valid barcode according to the [http://en.wikipedia.org/wiki/Universal_Product_Code UPC] or [http://en.wikipedia.org/wiki/European_Article_Number EAN] standard. Note that publishers used barcodes which do not fulfil these standards, for example Marvel (till 1987) and DC (till July 1988) did use barcodes without the necessary check digit at the end. Such non-standard barcodes should still be entered.
** UPC = 12 numbers
** UPC = 12 numbers
** EAN = 13 numbers
** EAN = 13 numbers
** the extra two numbers are called EAN-2, the extra five numbers are called EAN-5, both do not matter for validation purposes
** the extra two numbers are called EAN-2, the extra five numbers are called EAN-5, both do not matter for validation purposes

Revision as of 15:45, 3 July 2011

The full barcode as printed on the item.

  • We do not use this field for other numbers.
  • If two barcodes are listed, they are separated with a semi-colon.
  • No_barcode is checked if no barcode is present.
  • The barcode field can be turned off for a series if no issues have a barcode.
  • On the compare page a note will say if the number is a valid barcode according to the UPC or EAN standard. Note that publishers used barcodes which do not fulfil these standards, for example Marvel (till 1987) and DC (till July 1988) did use barcodes without the necessary check digit at the end. Such non-standard barcodes should still be entered.
    • UPC = 12 numbers
    • EAN = 13 numbers
    • the extra two numbers are called EAN-2, the extra five numbers are called EAN-5, both do not matter for validation purposes