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The barcode was invented by Norman Joseph Woodland and Bernard Silver and patented in the US in 1951.[1] The invention was based on Morse code[2] that was extended to thin and thick bars.
(The same sort of mobile device could also read 1D barcodes, depending on the application software.) The barcode was invented by Norman Joseph Woodland and Bernard Silver and patented in the US in 1951. The invention was based on Morse code that was extended to thin and thick bars.