条码发展历史过程

一维条码发展历史
1949 Circular
1962 ACI
1965 Pharma code
1971 Plessey (Library Code)
1972 ITF & Codabar
1973 UPC / EAN (Retail)
1974 Code 39
1980 Postnet
1981 Code 128
1987 Code 49 (first stacked Barcode)
1988 Code 16k (stacked Barcodes)
1989 PDF 417 (stacked Barcode)

二维条码的发展历史
1989 Datamatrix Code
1989 Maxi Code (UPS Code)
1994 Super Code (stacked Barcode)
1994 QR Code
1995 Aztec Code
Snow Flake Code