HP INCFollow


The current issue is the 2D barcode easy be scratch by pencil or nail. The scratch

always makes scanner failure. For a test, standard needs using the 2H pencil to repeat

scratch barcode and the barcode still could be read.

The invention carving the barcode inside the cover and illumination with light. The

pattern will appear at the outside of cover then barcode could be read by the scanner.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License.