BAR CODE SET AND BAR CODE READER

摘要

PROBLEM TO BE SOLVED: To perform visual unification among bar codes attached to each article in using a bar code to identify each article among identical articles and to provide a bar code whose content is difficult to recognize with the naked eye.

SOLUTION: In accordance with the total length of a data bit 43 of each trading card 17, a dummy bit 49 with an appropriate length is added or not added. The total lengths of all kinds of bar codes 21 are made even by the dummy bit 49.

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