Codabar label reader

G - Physics – 06 – K

Patent

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354/56

G06K 7/14 (2006.01) G06K 7/016 (2006.01)

Patent

CA 1159567

Title "CODABAR" LABEL READER Abstract of the Disclosure A method for reading bar-coded labels by taking ratios of successive bars and spaces, then discriminating and categorizing the ratios of one of four possibilities. This output is combined and decoded into characters using a read-only-memory. The characters along with information on spacing between the characters is then passed to a microprocessor. The microprocessor decides which of the characters are valid and assembles a complete scans worth of information by making use of the data relating to the separation between characters. Handling the data in this fashion provides a means to assemble data from partial scans of the label into one complete scan. RD-3046

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