An employee at Marsh supermarket in Troy scanned groceries using a UPC (Universal Product Code) and scanner for the first time on June 26, 1974. It started with a pack of gum that was scanned using an ...
A Spectra Physics Model A supermarket scanner—one of the first ten ever produced. A laser within the unit projects a beam onto a mirror that redirects it through the glass plate on the top. Cade ...
NEW YORK (Reuters) - Norman Woodland, co-inventor of the bar code, the inventory tracking tool that transformed global commerce in the 1970s and saved shoppers countless hours on the supermarket ...