GB/T 27767-2011Two-dimensional barcode - Compact matrix code (English PDF)
二维条码 紧密矩阵码
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
May 1, 2012
Scope
GB/T 27767-2011 is the English-translated version of 二维条码 紧密矩阵码.
GB/T 27767-2011 is the Chinese standard "Two-dimensional barcode - Compact matrix code".
Its scope clause reads: This standard specifies the symbol compact matrix code, 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 close the matrix code generation and reading. Its clauses include terms, definitions, abbreviations and conventions.
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Document preview — GB/T 27767-2011
National Standard of the People's Republic of China
- ICS
- 35.040
- Classification
- L 71
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms, definitions, abbreviations and conventions
- 4 Symbol Description
- 7 symbols printed
- 8 character quality
- 9 decoding process
- Appendix A (normative) codeword block parameters C language source code
- Annex B (informative) to optimize the length of the bit stream
- Appendix C (Informative Appendix) CM code symbols printed User Guide
- Annex D (normative) Correction generator polynomial
- Appendix E (Informative Appendix) CM code symbol generation example
- Appendix F (Normative Appendix) CM code proprietary indicators quality rating requirement
- Annex G (normative) reference decoding algorithm
1 Scope
This standard specifies the symbol compact matrix code, 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 close the 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
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 Function Graphical
Used to indicate location and identification features of graphics, including graphic start, stop patterns, graphics and data segments separated positioning hole pattern.
3.1.2 Start Graphics startpattern
Graphic symbols used to indicate the start.
3.1.3 End Graphics stoppattern
Symbols used to represent the end of the graphics.
3.1.4 The positioning hole pattern
CM column is used to indicate the synchronization code pattern information.
3.1.5 Data segments separated graphic
Coding region for the separated pattern.
3.1.6 Mask masking
For the symbols dark (low reflectance) module and light (high reflectivity) of a balanced distribution module, and power symbol appears in the coding region
GB 18030-2022 | GB/T 37036.3-2019 | GB/T 37036.2-2019 | GB/T 42382.3-2026 | GB/T 42382.2-2026 | GB/T 27766-2011 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 38 pages — is available in the English PDF.
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