ARTICLES DISPLAYING TWO DIMENSIONAL BARCODES

摘要

An article displaying a two dimensional barcode is disclosed, the article including a metal piece with an exterior surface having one or more recesses, where the recessed metal is tarnished so that is contrasts with the than the exterior surface color and the one or more recesses are shaped, sized and positioned to visually display a two-dimensional barcode. In addition, an article of jewelry displaying a two dimensional barcode is disclosed, the jewelry including a metal piece having recesses displaying a two-dimensional barcode and a wearing attachment for wearing the jewelry. Moreover, a process is disclosed including casting a metal piece to have one or more recesses, tarnishing the metal piece, and removing the tarnish from the non-recessed exterior surface so the recessed metal contrasts the color of the metal's exterior surface and visually displays a two-dimensional barcode.

主权项

1. An article displaying a two dimensional barcode comprising:
a metal piece comprising an exterior surface, wherein the exterior surface has an exterior color; and one or more recesses in the exterior surface, wherein the recessed metal is tarnished such that it has a visual appearance that contrasts with the exterior color; wherein the one or more recesses are shaped, sized and positioned in the exterior surface such that the contrast between the exterior surface of the metal and the tarnished recess metal visually displays a two-dimensional barcode on the metal piece.