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GB/T 27766-2011 English PDF

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GB/T 27766-2011: Two-dimensional barcode -- Grid matrix code
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GB/T 27766-2011English1419 Add to Cart 10 days [Need to translate] Two-dimensional barcode -- Grid matrix code Valid GB/T 27766-2011

PDF similar to GB/T 27766-2011


Standard similar to GB/T 27766-2011

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Basic data

Standard ID GB/T 27766-2011 (GB/T27766-2011)
Description (Translated English) Two-dimensional barcode -- Grid matrix code
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L71
Classification of International Standard 35.040
Word Count Estimation 64,659
Date of Issue 2011-12-30
Date of Implementation 2012-05-01
Quoted Standard GB/T 1988; GB/T 12905; GB 18030; GB/T 23704; ISO/IEC 15424; AIM ECI norms
Regulation (derived from) Announcement of Newly Approved National Standards No. 22 of 2011
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the grid matrix code symbol structure, information encoding and decoding methods, error correction coding and decoding method, an information arrangement method, the reference symbol decoding algorithms and quality requirements and other technical content. This standard applies to the generation and grid matrix code reading.

GB/T 27766-2011: Two-dimensional barcode -- Grid matrix code

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Two-dimensional barcode. Grid matrix code ICS 35.040 L71 National Standards of People's Republic of China Grid Matrix two-dimensional bar code Issued on. 2011-12-30 2012-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms, definitions, abbreviations and conventions 1 4 Symbol Description 2 Symbol structure 4 5 Symbol generator 6 6 7 symbols printed 21 8 character quality 22 9 decoding process 23 10 data transmission 24 Appendix A (normative) codeword block parameters C language source code 26 Annex B (informative) to optimize the length of the bit stream 30 Appendix C (Informative Appendix) GM code printed User Guide 40 Annex D (normative) Correction generator polynomial 43 Appendix E (normative) reference decoding algorithm 50 References 59

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. The EAN standard by the National Standardization Technical Committee (SAC/TC287) centralized. This standard was drafted. Wuhan Syscan Technology Co., Ltd., China Electronics Standardization Institute. The main drafters. Zhang Wei, Zhang Ye Ping, Liu Bo, Zhang Yu was, Fan Xuchuan.

Introduction

When issuing authority of the document drew attention to the statement of compliance with this document may involve Chapter 5, Chapter 6, Chapter 9, Chapter 10 related The use of patents. The issuing authority for the patent document authenticity, validity and scope without any position. The patent holder has to ensure that the issuing authority of the document, he was willing to reasonable and non-discriminatory terms and conditions with any applicant, Patent licensing negotiations. The patent holder's statement has been filed in the release mechanism of the present document. Information is available by linking Department of the following ways. Patent Owner. Wuhan Syscan Technology Co., Ltd. Address. Wuhan Economic Development Zone, East Lake Wujiashan way Photoelectric Industrial Park in Wuhan Syscan Postal Code. 430040 Contact. He Liuqing Tel. 027-61675589 Fax. 027-61675592 E-mail. [email protected] Please note that in addition to the above patents, some of the contents of this document may still involve patents. The issuing authority of this document does not undertake to recognize these special Lee responsibility. Grid Matrix two-dimensional bar code

1 Scope

This standard specifies the symbol structure Grid Matrix Code, the information encoding and decoding method, an error correction encoding and decoding method, an information arrangement method, reference decoding Algorithms and symbolic quality requirements and other technical content. This standard applies to Grid Matrix Code generation and reading.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1988 Technical information interchange bit coded character set GB/T 12905 Tiaoma term GB 18030 Information technology - Chinese coded character set GB/T 23704 Information technology - Automatic identification and data capture technology two-dimensional bar code symbol print quality test ISO /IEC 15424 Information technology - Automatic identification and data capture techniques - Data Carrier Identifiers AIM International Technical specification extends explanation. Part 1. Identify the programs and Agreement ( "AIMECI norms") 3 Terms, definitions, abbreviations and conventions 3.1 Terms and Definitions GB/T 12905 and as defined in the following terms and definitions apply to this document. 3.1.1 Correction block errorcorrectioncodewordblock After the error correction code word for grouping a set of codewords. 3.1.2 Border frame 20 outermost unit modules macro module, these cell modules with a dark (low reflectance) or with a light color (high reflectance). 3.1.3 Layer layer Surround macroblock center of the ring macro module. 3.1.4 Layer identification number layerIDnumber Assigned value of the macro module upper left corner of two cell modules, the value based on the error correction level, and number macroblock layer where the determination can be used to refer to Directions Ming GM codes. 3.1.5 Macroblock macromodule GM substructure code, the 6 × 6 cells modules.

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