发明名称 Method for extending bar code pdf 417 coding capacities
摘要 A process to extend the data encoding capacity using the PDF 417 bar code comprising a first step of compressing the data, the data being read by data acquisition hardware linked to scanning hardware connected to an information system, wherein the data is distributed using specific algorithms into a series of symbols that are dynamically linked to carry out a second compression, an element is introduced to control the integrity of the information and the formatting and reading of the data is controlled directly by the information system.
申请公布号 US2003127517(A1) 申请公布日期 2003.07.10
申请号 US20020297387 申请日期 2002.12.06
申请人 COUVELAERE FRANCIS;PERFETTI MICHEL 发明人 COUVELAERE FRANCIS;PERFETTI MICHEL
分类号 G06K19/06;(IPC1-7):G06K7/10 主分类号 G06K19/06
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