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New edition " bar code of Chinese level book number " carry out since this month
From;    Author:Stand originally

The reporter published center of total arrange bar code to learn from news a few days ago, released formally on January 9 " bar code of Chinese level book number " (GBT 12906-2008) , rose to be carried out formally on August 1. Since executive day, its will be replaced original " bar code of Chinese level book number " (GBT 12906-2001) .

" bar code of Chinese level book number " (GBT 12906-2008) basically reach a binary system to express by structure of symbol of structure of code of bar code symbol, bar code, technical requirement and bar code print a few parts such as the position to comprise. From the point of actual application angle, this standard provided sign of dimension of bar code symbol, bar code of empty color collocation and bar code print the position.

According to introducing, this standard provided the standard measure of bar code symbol, have certain enlarge coefficient. Bar code symbol can magnify along with the change of enlarge coefficient or narrow. The standard gave out at the same time enlarge coefficient is main dimension contrasts watch. In applying actually, to satisfy the requirement of bar code user, news publishs center of total arrange bar code to make bar code for the dimension of 0.8 according to enlarge coefficient.

As we have learned, bar code prints the position to also have in this standard relatively major key is whole, be about to original " bar code of Chinese level book number " (GBT 12906-2001) formulary actor chooses the position to be back cover (or book jacket to it corresponding position) actor of left instead playing role chooses the position to be back cover (or book jacket to it corresponding position) right next horn; The bar code brim of will original provision is apart from brim of bar code of instead of 4mm of ± of foul line 10mm to be apart from foul line to not be less than 15mm. This standard withheld upper part of bar code symbol to presswork with OCR-B font Chinese level book number, the regulation that the bar code of the hardcover book of the cover that be not paper pressworks to seal the other and prominent place of the top left corner of 2 or books to wait in books.