Bar code encoding system using four-state codes

Details Bar code encoding system using four-state codes Bar code encoding system using four-state codes

G - Physics

06

K

G06K 9/18 (2006.01) G06K 19/06 (2006.01)

Patent

CA 2171886

A bar code encoding system comprising a representing unit for representing an input character by an information symbol of m bits excluding a bit pattern of all "0" bits, a calculating unit for subjecting a series of a k-number of information symbols to error-correction encoding and calculating a check symbol series of a q-number of check symbols, a converting unit for respectively converting an n=(k+q) number of symbols to predetermined bar code patterns, and arrangement converting unit for converting arrangement of the n-number of symbols so that at most three bar code patterns corresponding to the check symbols may not be consecutively arranged.

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