First, here is a quick UPC primer. A UPC bar code is a series of 59 alternating black and white lines of different widths. This combination of lines, when read by an optical scanner at the ...

A consumer just scans the code already on the package, and the application provides product related information. The application now serves as an assistant to consumers doing product research in ...

The roots of bar codes go back decades before the UPC came on the scene. One U.S. patent, No. 1,985,035, was granted on Dec. 18, 1934 for a card sorter device to read a simple code consisting of ...