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GB/T 41208-2021 English PDF

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GB/T 41208-2021: Data matrix code
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PDF similar to GB/T 41208-2021


Standard similar to GB/T 41208-2021

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Basic data

Standard ID GB/T 41208-2021 (GB/T41208-2021)
Description (Translated English) Data matrix code
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L71
Word Count Estimation 83,817
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41208-2021: Data matrix code

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Data matrix code ICS 35:040 CCSL71 National Standards of People's Republic of China data matrix code (ISO /IEC 16022:2006, Information technology-Automatic identification and Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Foreword V 1 Scope 1 2 Normative references 1 3 Terms, Definitions, Symbols and Mathematical/Logical Symbols 1 3:1 Terms and Definitions 1 3:2 Symbol 2 3:3 Math/Logical Notation 2 4 Symbol description 2 4:1 Basic Features 2 4:2 Summary of Additional Features 3 4:3 Symbolic Structure 3 5 Technical requirements for ECC200 4 5:1 Coding Process Overview 4 5:2 Data Encoding 4 5:3 User Defined Matters 11 5:4 Extended Interpretation (ECI) 12 5:5 Data Matrix Code (ECC200) Symbol Characteristics 13 5:6 Structural Linking 15 5:7 Error Checksum Correction 16 5:8 Building symbols 17 6 size 18 6:1 Basic requirements for dimensions 18 6:2 Recommended dimensions for GS1 system applications 18 7 Symbol quality 19 7:1 General Principles of Symbol Quality 19 7:2 Symbol Quality Parameters 19 7:3 Overall Symbol Level 19 7:4 Process Control Testing 19 8 Data Matrix Code Reference Decoding Algorithm 19 9 User Guidelines 27 9:1 Interpretation for human reading 27 9:2 Automatic identification capability 27 9:3 System Considerations 27 10 Data transfer 27 10:1 General data transmission 27 10:2 Protocol for FNC1 in the first position (GS1 Data Matrix Code) 27 10:3 Protocol for FNC1 in the second position 27 10:4 Protocol with macro word in first position (ECC200 only) 28 10:5 ECI protocol (only for ECC200) 28 10:6 Symbology identifiers 28 10:7 Example of transferring data 28 Appendix A (Informative) ECC200 Coding Example 29 Appendix B (normative) ECC200 Interleaving Diagram and Description 31 B:1 Schematic illustration 31 B:2 Interleaving start sequence for symbols of different sizes 31 Appendix C (Informative) Data Character Encoding Using Minimum ECC200 Symbols 34 Appendix D (normative) ECC200 Mode Random Algorithm 37 D:1 253 State Randomization Algorithm 37 D:1:1 253 Overview of State Randomization Algorithms 37 D:1:2 253 State Random Algorithms 37 D:1:3 253 State Derandom Algorithm 37 D:2 255 State Randomization Algorithm 37 D:2:1 255 Overview of State Randomization Algorithms 37 D:2:2 255 State Random Algorithms 37 D:2:3 255 State Derandom Algorithm 38 Appendix E (normative) ECC200 Coded Character Set 39 Appendix F (normative) ECC200 correction pattern 43 Appendix G (normative) ECC200Reed-Solomon Error Checksum Correction 45 G:1 Error Correction Codeword Generator Polynomial 45 G:2 Error Correction Operations 46 G:3 Error Correction Codeword Algorithm 47 Appendix H (Normative) ECC200 Symbol Character Placement 49 H:1 Symbol Character Placement Procedure 49 H:2 Symbol Character Placement Rules 52 H:2:1 Irregular Symbol Character Shapes 52 H:2:2 Arrangement of Symbolic Characters 54 H:3 ECC200 Symbol Character Placement Example 56 Appendix I (informative) Recommended dimensions of FNC1 in the first position DataMatrix code (GS1 data matrix code) application area 61 I:1 Routine Retail POS Scanning, Non-Routine Delivery Trade Items 61 I:2 Trade Items for Regular Delivery Only 61 I:3 Non-POS Scanning or Regular Retail Trade Items [General Distribution or Regulated Healthcare Items (Retail or)] 61 I:4 Logistics units to be scanned for routine distribution 62 I:5 Unconventional Scanned Regulated Non-Retail Medical Trade Items62 I:6 2D barcode application for direct marking of parts (DPM) 62 I:7 Routine distribution of scannable trade items by retail or non-retail pharmacies (storage packaging) 63 I:8 Regulated Routine Distribution Scannable Medical Retail Trade Item 63 I:9 Related applications such as GDTI, GRAI, GIAI and GLN used to identify the GS1 system64 I:10 GRSN application for identification of the GS1 system 64 Appendix J (Informative) System Considerations 65 Appendix K (normative) Printing quality of two-dimensional matrix barcodes --- Inherent graphic contamination index 66 K:1 Overview of Intrinsic Pattern Defilement Indicators for Data Matrix Codes 66 K:2 Inherent pattern contamination of data matrix codes 66 K:2:1 Graphical part to be evaluated 66 K:2:2 Classification of L-shaped edges of intrinsic figures 66 K:2:3 Grading of the finder pattern and its adjacent parts of the same color area 68 K:2:4 Calculation and Grading of Average Grades 71 K:3 Scan Level 72 Appendix L (Informative) Process Control Technology 73 L:1 Overview of Process Control Technology 73 L:2 Sign Contrast 73 L:3 Special reference symbols 73 L:4 Evaluation of axial inconsistencies 74 L:5 Visual inspection of symbol deformation and defects 74 Appendix M (Informative) Automatic Identification Performance 75 Appendix N (normative) Symbology identifiers 76 Reference 77

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document refers to ISO /IEC 16022:2006 "Information Technology Automatic Identification and Data Acquisition Technology Data Matrix Code Barcode Specification" Drafted, the degree of consistency is non-equivalent: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed and managed by the National Standardization Technical Committee of Logistics Information Management (SAC/TC267): This document is drafted by: China Article Numbering Center, Zhejiang Institute of Standardization, Xiamen Institute of Standardization, Jiangxi Institute of Standardization Research Institute, Shenzhen Institute of Standards and Technology, Liaoning Institute of Standardization, Qingdao Institute of Standardization: The main drafters of this document: Wang Yi, Li Sucai, Liu Xiaoyan, Ding Wei, Du Jingrong, Li Zhenliang, Dong Xiaowen, Deng Huipeng, Shen Dingcheng, Chen Hao, Miao Yanhui, Meng Ruopu, Li Zheng, Zhang Tianyi, Sun Junlin, Lu Xiyuan, Li Danli, Wu Xinxin, Shi Wei, Wen Xiaoxiang: data matrix code

1 Scope

This document specifies the symbol characteristics, symbol structure, data encoding, symbol size and printing quality requirements, error correction rules, Refer to technical content such as decoding algorithm, data transmission, and user-selectable application parameters: This document applies to the generation and reading of data matrix codes:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 12905-2019 Barcode Terminology GB/T 15273:1 Information Processing Octet Single-Byte Coded Graphic Character Set Part 1: Latin Alphabet One GB /Z 19257-2003 Supply Chain Data Transmission and Exchange GB/T 23704-2017 Inspection of printing quality of two-dimensional barcode symbols ISO /IEC 646 ISO 7-bit Coded Character Set for Information Technology Information Interchange (Informationprocessing-ISO 7-bit codedcharactersetforinformationinterchange) ISO /IEC 8859-5:1999 Information technology 8-bit single-byte coded graphic character set - Part 5: Latin alphabet/cyrillic characters Mother (Informationtechnology-8-bitsingle-bytecodedgraphiccharactersets-Part 5:Latin/Cyrilic alphabet) ISO /IEC 19762 Information technology automatic identification and data acquisition technology unified vocabulary [Informationtechnology- Automaticidentificationanddatacapture(AIDC)techniques-Harmonizedvocabulary] 3 Terms, Definitions, Symbols and Mathematical/Logical Symbols 3:1 Terms and Definitions Terms and definitions defined in ISO /IEC 19762 and GB/T 12905-2019 and the following terms and definitions apply to this document: 3:1:1 codeword The value of the 2D barcode character: Intermediate value converted from barcode logic to character set: [Source: GB/T 12905-2019, 2:54]: 3:1:2 module module The narrowest constituent unit of symbol characters in one-dimensional barcodes and layered two-dimensional barcodes, or the smallest information-carrying unit in matrix two-dimensional barcodes: [Source: GB/T 12905-2019, 2:29]: 3:1:3 patternrandomising In order to improve the decodability of the symbol, according to the pseudo-randomization algorithm given in this document, the specific acquisition of the original coded codeword sequence is carried out:

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