ISO/IEC INTERNATIONAL 23634 STANDARD First edition 2022-04 Information technology Automatic identification and data capture techniques JAB Code polychrome bar code symbology specification Reference number IS0/IEC 23634:2022(E) IEC ISO @ IS0/IEC 2022 Copyright International Organization for Standardization IS0/IEC23634:2022(E) COPYRIGHT PROTECTED DOCUMENT IS0/IEC2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or ISo's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland Copyright l/tlenatioal Organizationfr tandardization @IS0/IEC2022-Allrightsreserved IS0/IEC 23634:2022(E) Contents Page Foreword. ..V Introduction. .. vi 1 Scope. .1 2 Normativereferences 3 Terms, definitions, abbreviated terms and symbols 3.1 Terms and definitions Abbreviated terms.. 3.2 Mathematical symbols 3.3 .3 3.4 Mathematical and logical operations .3 Symbol description ..4 4 4.1 Basic characteristics 4 .5 4.2 Summary of additional features Symbol structure.. .5 4.3 4.3.1 Square primary symbol .5 4.3.2 Rectangle primary symbol 5 4.3.3 Square secondary symbol 5 4.3.4 .5 Rectangle secondary symbol 4.3.5 .1 Symbol side size 4.3.6 Module dimension. 1.9 4.3.7 Finder pattern. 9 4.3.8 Alignment pattern 10 Colour palette. 4.3.9 .13 4.3.10 Metadata. 13 4.3.11 Encoded data .14 4.4 Metadata structure .14 Metadata of a primary symbol .14 4.4.1 Metadata of a secondary symbol 4.4.2 .16 4.4.3 Metadata error correction encoding ..18 4.4.4 Reserved modules for metadata and colour palette. 18 4.5 Symbol Cascading 20 4.5.1 Symbol docking rules. .20 4.5.2 Symbol decoding order 20 Symbol generation .24 5 5.1 Encoding procedure overview .24 5.2 Data analysis 25 5.3 Encoding modes. 25 .25 5.3.1 Encoding modes and character set. 5.3.2 Uppercase mode. 26 5.3.3 Lowercase mode 27 5.3.4 Numeric mode. 28 5.3.5 Punctuation mode. 28 5.3.6 Mixed mode.. 28 5.3.7 Alphanumeric mode. 28 5.3.8 Byte mode 29 5.3.9 Extended Channel Interpretation (ECI) mode 29 5.3.10 FNC1 mode.. 29 5.4 Error correction .29 5.4.1 Error correction levels. .29 5.4.2 Error correction parameters. 30 5.4.3 30 Padding Bits. 5.4.4 Generating the error correction stream 31 5.5 Data interleaving 31 iii CopyrightInternatinal Orgz1$61fd22n- All rights reserved