ISO IEC 16022 CORR 1-2008 Information technology - Automatic identification and data capture techniques - Data Matrix bar code symbology specification Technical.pdf

1、ICS 01.080.50; 35.040 Ref. No. ISO/IEC 16022:2006/Cor.1:2008(E) ISO/IEC 2008 All rights reserved Published in Switzerland INTERNATIONAL STANDARD ISO/IEC 16022:2006 TECHNICAL CORRIGENDUM 1 Published 2008-10-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION

2、 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION LECTROTECHNIQUE INTERNATIONALEInformation technology Automatic identification and data capture techniques Data Matrix bar code symbology specification TECHNICAL CORRIGENDUM 1 Technologies de linformation Techniques automatiques didentification et

3、 de capture des donnes Spcification de symbologie de code barres Data Matrix RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to ISO/IEC 16022:2006 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 31, Automatic identification and data capture technique

4、s. Page 106, M.1.2 Replace list items b) to e) with the following: b) For each modulation grade level apply the parameter grade overlay technique described in ISO/IEC 15415: 1) For each side of the L (L1 and L2 in Figure M.1) and each quiet zone area (QZL1 and QZL2, adjacent to L1 and L2 respectivel

5、y in Figure M.1), assume that all modules not achieving that grade or a higher grade are module errors, and derive a notional damage grade based on the grade thresholds shown in Table M.1. Take the lower of the modulation grade level and the notional damage grade. 2) The grade for each segment shall

6、 be the highest resulting grade for all modulation grade levels. ISO/IEC 16022:2006/Cor.1:2008(E) 2 ISO/IEC 2008 All rights reservedc) Additionally, for both square and rectangular symbols with more than one data region, repeat steps a) and b) above where L1 and L2 start with the module in the quiet

7、 zone and end at the module in the clock track area of the same data region and QZL1 and QZL2 consist of the quiet zone adjacent to these L1 and L2 segments as defined like Figure M.1. In other words treat the lower left data region as if it were a symbol with a single data region. If this grade is

8、lower than that obtained from L1, L2, QZL1, and QZL2 in steps a) and b) then replace the grade obtained in steps a) and b) with this grade. d) Additionally, for segments L1 and L2, verify that all gaps are separated by at least four correct modules and that no gaps are wider than three modules; if t

9、his test fails, the grade obtained from the above steps shall be reduced to 0 at that modulation grade level. Page 107, M.1.3 Replace the first paragraph with the following: This section defines the measurement of damage to the internal alignment patterns (when present) and also external clock track

10、s and associated quiet zone areas. These tests are applied separately to each segment of the internal alignment patterns, the clock tracks, and associated quiet zone areas that bound the data region, or individual data regions of larger symbols. Each segment consists of a clock track portion and a s

11、olid area portion (which is part either of the quiet zone or of an internal alignment bar). A clock track portion commences with a dark module in the L side or internal alignment bar perpendicular to it and continues to the light module preceding either the quiet zone or the next internal alignment

12、bar. A solid area portion with the alignment bar not adjacent to a quiet zone commences with the module adjacent to the first module of the associated clock track portion and continues to the module one past the last module of the associated clock track portion. Figure M.4 (a) illustrates the struct

13、ures of these segments. The solid segments which correspond to portions of the external quiet zone are defined in this same way, as shown in Figure M.2. A solid area portion with the alignment bar adjacent to a quiet zone commences with the module adjacent to the first module of the associated clock

14、 track portion and continues to the module adjacent to the last module of the associated clock track portion. Figure M.4 (b) illustrates the structures of these segments. Page 107, M.1.3, Figure M.2 Insert the following note immediately above the figure title: NOTE Figure M.2 depicts an internal ali

15、gnment pattern segment which terminates at another internal alignment segment of the same color. ISO/IEC 16022:2006/Cor.1:2008(E) ISO/IEC 2008 All rights reserved 3Page 110, Figure M.4 Replace Figure M.4 with the following: Figure M.4 Internal alignment pattern segment which terminates at the extern

16、al quiet zone Pages 110-111, from EXAMPLE after Figure M.5 to Table M.5, inclusive Replace with the following: Figure M.6 Example showing the 37 modules graded for an L side of a 36 36 module symbol EXAMPLE Figure M.6 shows an example based on grading the L1 segment of a 36 36 symbol, with SC = 89 %

17、 and GT = 51 %. The reflectance and modulation values, and modulation grade, are shown in Table M.4 for module 0 to 36 in the segment. The extended module on the quiet zone adjacent to the L corner is indicated as module 0. ISO/IEC 16022:2006/Cor.1:2008(E) 4 ISO/IEC 2008 All rights reservedTable M.4

18、 Example of modulation grading of 36-module segment Module 0 1 2 3 4 5 6 7 8 9 Reflectance (%) 84 15 13 13 13 9 11 84 11 10 MOD 74 80 86 86 86 94 90 (74) 90 92 MOD Grade 4 4 4 4 4 4 4 0 4 4 Module 10 11 12 13 14 15 16 17 18 Reflectance (%) 9 11 70 13 12 15 11 11 11 MOD 94 90 (42) 86 88 80 90 90 90 M

19、OD Grade 4 4 0 4 4 4 4 4 4 Module 19 20 21 22 23 24 25 26 27 Reflectance (%) 27 11 14 10 12 50 12 11 14 MOD 54 90 83 92 88 2 88 90 83 MOD Grade 4 4 4 4 4 0 4 4 4 Module 28 29 30 31 32 33 34 35 36 Reflectance (%) 13 12 37 13 12 13 11 13 12 MOD 86 88 31 86 88 86 90 86 88 MOD Grade 4 4 2 4 4 4 4 4 4 NO

20、TE Modules 0, 7 and 12 are clearly light; module 24, and to a lesser extent module 30, suffer from low modulation. Based upon these values, the segment grading would be as shown in Table M.5. Table M.5 Example of grading segment MOD grade level No. of modules Cum. No. Of modules Remainder “damaged” modules Damaged modules % Notional damage grade Lower of grade 4 33 33 4 10,8 2 2 3 0 33 4 10,8 2 2 2 1 34 3 8,1 3 2 1 0 34 3 8,1 3 1 0 3 37 0 0 4 0 Final Grade for segment highest of last column 2