发明名称 TWO-DIMENSIONAL CODE, AND ITS READER
摘要 <P>PROBLEM TO BE SOLVED: To provide a two-dimensional code capable of recording a second two-dimensional code without reducing the amount of information of the original two-dimensional code. <P>SOLUTION: According to a QR code 10 related to this embodiment, since a micro QR code 16 is recorded instead of a bright module or dark module of the same color arranged in a square n&times;n module 11' being an aggregate of unit modules 11 or unit cells constituting a functional pattern, the micro QR code 16 can be recorded without reducing data patterns DP and regions thereof. Thereby, the micro RQ code 16 can be recorded without reducing the amount of information of the original QR code 10. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009087286(A) 申请公布日期 2009.04.23
申请号 JP20070259545 申请日期 2007.10.03
申请人 DENSO WAVE INC 发明人 MIZUGUCHI YOSHIHITO
分类号 G06K19/06;G06K7/10 主分类号 G06K19/06
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