Optical readable bar code for use in product package, has dark bars placed on clear background, where background has illustration printed in red color and not recognized as darkened by existing optical box readers

摘要

The code (1) has dark bars (2) placed on a clear background (3), where the code is separable and cut from a product package by a line (5). The clear background has an illustration (4) containing trading stamps, which is printed in red color, where the illustration is not recognized as darkened by existing optical box readers.