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Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 23704-2017: Two-dimensional bar code symbol print quality test Status: Valid GB/T 23704: Historical versions
Basic dataStandard ID: GB/T 23704-2017 (GB/T23704-2017)Description (Translated English): Two-dimensional bar code symbol print quality test Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: L71 Classification of International Standard: 35.040 Word Count Estimation: 46,468 Date of Issue: 2017-12-29 Date of Implementation: 2018-07-01 Older Standard (superseded by this standard): GB/T 23704-2009 Regulation (derived from): National Standards Bulletin 2017 No. 32 Issuing agency(ies): General Administration of Quality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 GB/T 23704-2017: Two-dimensional bar code symbol print quality test---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Two-dimensional bar code symbol print quality test ICS 35.040 L71 National Standards of People's Republic of China Replacing GB/T 23704-2009 Inspection of two - dimensional bar code symbol printing quality (ISO /IEC 15415.2011, Informationtechnology-Automatic identification and Two-dimensionalsymbols, MOD) 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ Introduction Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 symbols and abbreviations 3 5 quality grade 3 5.1 Overview 3 5.2 Quality level of parameters 3 5.3 symbol level value 4 5.4 Symbol level representation 4 6-tier row of two-dimensional bar code symbol detection method 5 6.1 Overview 5 6.2 Allowed cross-scan symbols 5 6.3 Symbols to be scanned line by line 9 7 matrix two-dimensional bar code detection method 9 7.1 Overview 9 7.2 Acquire the measurement image 10 7.3 Measurement of reference reflectivity 10 7.4 Scanning Requirements 13 7.5 scanning grading 13 7.6 Grading Process 13 7.7 Additional Measurement of Reflectance in the Expanded Area 13 7.8 Image Evaluation Parameters and Grading 13 7.9 scan grading 19 7.10 symbol level 20 7.11 Printing increment 20 8 composite code detection method 20 Printed substrate characteristics 20 Appendix A (Informative) Applied Standards Selection Grading Parameter Guide 21 Appendix B (Informative) Correction of parameter levels applied to two-dimensional bar code symbologies Appendix C (informative) matrix two-dimensional bar code symbol quality grading flow chart 26 Appendix D (Normative) Specific Parameters for Specific Symbologies for Symbol Ranking 27 Appendix E (Informative) Description of Scanning and Symbol Levels 31 Appendix F (Informative) Printing substrate characteristics 33 Appendix G (informative) two-dimensional bar code symbol test report example 35 References 39 ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 23704-2009 "automatic identification and data acquisition technology of information technology two-dimensional bar code symbol printing quality Test ", and GB/T 23704-2009 compared to the main changes are as follows. --- The standard name changed to "two-dimensional bar code symbol printing quality inspection"; --- Added ISO /IEC 19762, GB/T 18284, GB/T 21049, GB/T 35402, ISO /IEC 16022, ISO /IEC 16023 And ISO /IEC 24778 (see Chapter 2); --- Added "Modulation and modulation ratio" terms and definitions (see 3.12); --- By scanning a symbol to obtain the level of measurement, does not require symbols to be measured 5 times (see 7.4); --- Increasing the contrast uniformity, the definition of modal modulation ratio parameters, an increase of "modular modulation ratio" "code modulation ratio" "symbol modulation ratio" "Modulo-Modulation Modulation Ratio of Modules", "Modulo Modulation Ratio of Codewords" and "Modulo Modulation Ratio of Signature" (see 7.8.4); --- "For each parameter, the temporary parameter level of each codeword is the highest of the parameter levels obtained for all scans of that codeword." To "For each parameter, the temporary parameter level for each codeword is the highest for all parameters obtained by scanning the codeword value. "(See 6.2.5); --- The proprietary parameters of each code system used for symbol ranking concerning DataMatrix codes and quick response matrix codes will not be described in detail, only Give the code standard that contains these parameters (see Appendix D); --- Increase the "modal modulation ratio" "format information" "version information" quality parameters (see Appendix G). This standard uses redrafted Law Amendment using ISO /IEC 15415.2011 "Information Technology Automatic Identification and Data Acquisition Technology Article Code symbol printed quality inspection specification two-dimensional symbols. " This standard and ISO /IEC 15415.2011 technical differences and the reasons are as follows. --- On normative references, this standard made a technical difference with the adjustment to adapt to China's technical conditions, adjust the situation Concentration reflected in the second chapter "Normative references", the specific adjustments are as follows. ● Replacing ISO /IEC 15416 with GB/T 14258 modified to use international standards; ● GB/T 11186.2 modified to adopt international standards instead of ISO 7724-2.1984; ● Replacing ISO /IEC 19762-1 and ISO /IEC 19762-2 with the newly revised ISO /IEC 19762; ● Added GB/T 2828.1, GB/T 6378.1, GB/T 12905, GB/T 18284, GB/T 21049, GB/T 35402, ISO /IEC 16022, ISO /IEC 16023 and ISO /IEC 24778 (see Chapter 2). --- Representation of the matrix matrix two-dimensional bar code detection process (see 7.1); --- Modify the level corresponding to each level of the table corresponding to the range of parameters, for example, will be in Table 2, the corresponding level 3 parameters Wai changed to 0.64 ≤ CY < 0.71, ISO /IEC 15415.2011 Table 2, with ≥ 64% of the parameter range is not accurate (See Table 2, Table 3, Figure 2, Table 5, Table 6, Table 8, Table 9, Table 10, Table 11); --- "Provisional codeword level for each parameter (modulation ratio, defect level and decodability) is the level of all the scans of that parameter Highest value "to" For each parameter, the temporary parameter level of each codeword is all the parameters obtained by scanning the codeword, etc. Highest level "(see 6.2.5); --- Added "Module Modulation Ratio" "Codeword modulation ratio" "Symbol modulation ratio" "Module of the school modulation ratio" "Codeword modulation ratio" and The notion of "symbolic modulo modulation" (see 7.8.4). This standard also made the following editorial changes and structural adjustments. --- Adjustments to the order of appendices in the ISO /IEC 15415.2011 standard, Appendix A to the appendix of ISO /IEC 15415.2011 D, Appendix B is Appendix F of ISO /IEC 15415.2011, Annex C is Appendix B of ISO /IEC 15415.2011, Appendix D is Appendix A of ISO /IEC 15415.2011, Appendix E is Appendix C of ISO /IEC 15415.2011, Appendix F is Annex E of ISO /IEC 15415.2011. --- Added Appendix G (informative) "two-dimensional bar code symbol test report example." This standard by the National Logistics Information Management Standardization Technical Committee (SAC/TC267) and focal point. This standard was drafted unit. China Article Coding Center, Shanghai Institute of Quality and Standardization Institute of Standardization, Fujian Province, the national bar code Quality Supervision and Inspection Center, Shandong Institute of Standardization, China Association for Automatic Identification Technology, Beijing Jiaotong University, Beijing Network Imagination technology hair Exhibition Co., Ltd. The main drafters of this standard. Liu Wei, Yan Ruo, Su Hang, Yuan Jing, Hu Min, Yang Zilong, Yan Feng, Wang Yi, Wu Hong, Liu Yan, Wang Long, Zhao Ying, Zhang Yongpei, Tang Cheng, Zhang Jian, Zhang Duo, Hou Hanping, Zhang Qiuxia.IntroductionBar code technology is based on the coding of graphics identification technology. According to the rules will be converted to a certain character size bar, empty or module array Bar code symbol graphics, this rule is called the code standard. Bar code can be divided into one-dimensional bar code and two-dimensional bar code, two-dimensional bar code can be divided into layers (stacked) two-dimensional bar code and matrix two-dimensional bar code. A barcode that is formed by a combination of a one-dimensional barcode portion and a two-dimensional barcode portion and represents a set of information or related data is referred to as a composite code, where two The position of the dimension bar code part and the position of the one-dimensional bar code part maintain a specific relationship. Layer-by-layer two-dimensional bar code symbol is a series of vertical lines formed by the rectangular symbol to represent a whole piece of data information. Each of them Consists of the symbolic characters that represent data and prefixes. Each symbol character has the characteristics of a one-dimensional bar code symbol character, and each line is also the same One-dimensional bar code symbol features. Therefore, each line can be read by one-dimensional scanning technology, but in the entire message sent to the application Before, the data in all the lines in the symbol must be read. Matrix two-dimensional bar code symbol is usually a rectangular symbol of dark and light color modules, the center of the module is located at the intersection of the grid. for To read matrix two-dimensional bar code symbols, you need to know the coordinates of each module, symbols should be analyzed in two dimensions before decoding. point The code is a subset of the matrix two-dimensional bar code, a single point code module and other adjacent modules are not directly connected, separated by space between them. Unless otherwise specified, the "symbol" in this standard refers to these two types of two-dimensional bar code symbols. As a machine-readable data carrier, bar code symbols must be printed so that they can be read when used. In order to objectively evaluate the quality of bar code symbols, bar code equipment manufacturing, bar code symbol production and use requires a common standard test rules As a basis for developing equipment, developing application standards or evaluating symbol quality. This standard can be used as bar code equipment, bar code symbol production And use the basis of process control and quality evaluation. The performance of test equipment for testing bar code symbols may be in accordance with ISO /IEC 15426-2 and ISO / This standard follows the one-dimensional bar code symbol printed quality inspection standard GB/T 14258 general principles, the quality evaluation results and GB/T 14258 has some comparability. The application of this standard needs to be combined with the code system code of the tested bar code symbol, and the code system specification should be provided The specific details of the symbols needed in use. Tier two-dimensional bar code symbol detection is based on the method of GB/T 14258 carried out in the first 6 The chapter describes the changes and the parameters and methods used for matrix two-dimensional bar codes are different. At present, there are many ways to evaluate the quality of bar code symbologies at different stages of symbol production. This standard gives the method for the symbolic producers and Trading partners have provided a common standardization tool for quality assessment of 2D bar code symbologies and do not replace existing others Quality control methods. Should be based on the requirements of the applicable code system specification, the reference decoding algorithm and other measurement rules described in this standard In addition, mandatory code and application standards can be changed or replaced with these procedures. Each participant may adopt other quality assessment methods through negotiation or as part of the application standard. Inspection of two - dimensional bar code symbol printing quality1 ScopeThis standard specifies the layer row and matrix two-dimensional bar code symbol test, classification and symbol overall quality evaluation method is given Deviation from the best possible level of possible causes and the corresponding error correction measures. This standard applies to two-dimensional bar code system specifications have been given reference decoding algorithm two-dimensional bar code symbol printing quality inspection, the method is also Can be used in part or all of the other two-dimensional code system bar code symbol test.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1 Sampling procedures for sampling inspection - Part 1. Batch inspection sampling plan retrieved by acceptance quality limit (AQL) (GB/T 2828.1-2012, ISO 2859-1.1999, IDT) GB/T 6378.1 Metrology Sampling inspection procedures Part 1. Retrieve by Quality of Receiver Limit (AQL) for a single quality characteristic and a single AQL batch-by-sample inspection (GB/T 6378.1-2008, ISO 3951-1.2005, IDT) GB/T 11186.2 paint film color measurement methods Part 2. Color measurement (GB/T 11186.2-1989, idtISO 7724- 2.1984) GB/T 12905 bar code terminology GB/T 14258 Information Technology Automatic Identification and Data Acquisition Bar code symbol quality inspection (GB/T 14258- 2003, ISO /IEC 15416.2000, MOD) GB/T 18284 Fast Response Matrix Code (GB/T 18284-2000, neqISO /IEC 18004.2000) GB/T 21049 Han code GB/T 35402 parts directly marked two-dimensional bar code symbol quality inspection (GB/T 35402-2017, ISO /IEC TR 29158.2011, MOD) ISO /IEC 16022 Information Technology Automatic Identification and Data Acquisition DataMatrix Bar Code System Specification (Information technology-Automatic identification and datacuretechniques-DataMatrixbarcodesymbology specification ISO /IEC 16023 Information Technology Automatic Identification and Data Acquisition Bar Code System Specification MaxiCode (Information technology-Automatic identification and data capture techniques-Bar code symbology specification-MaxiCode) ISO /IEC 19762 Information Technology Automatic Identification and Data Acquisition (AIDC) technology coordination of terms (Informationtech- nology-Automatic identification and datacapture (AIDC) techniques-Harmonized vocabulary) ISO /IEC 24778 Information Technology Automatic Identification and Data Acquisition Bar Code System Specification Aztec Code System Specification (In- formationtechnology-Automatic identification and datacture technologies-AztecCodebarcode symbologyspecification) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23704-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 23704-2017_English as soon as possible, and keep you informed of the progress. 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