ISO/IEC 20830:2021

Information technology — Automatic identification and data capture techniques — Han Xin Code bar code symbology specification

This document defines the requirements for the symbology known as Han Xin Code. It specifies the Han Xin Code symbology characteristics, data encoding process, symbol structure, dimensions and print quality requirements, error correction rules, reference decoding algorithm, and user-selectable application parameters.

Technologies de l'information — Techniques d'identification et de capture de données automatiques — Spécification des symboles du code à barres de Han Xin

General Information

• Status: Published
• Publication Date: 26-Aug-2021
• ICS: 35.040.50 - Automatic identification and data capture techniques
• Technical Committee: ISO/IEC JTC 1/SC 31 - Automatic identification and data capture techniques
• Drafting Committee: ISO/IEC JTC 1/SC 31/WG 1 - Data carrier
• Current Stage: 6060 - International Standard published
• Start Date: 27-Aug-2021
• Completion Date: 27-Aug-2021

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 20830
First edition
2021-08
Information technology — Automatic
identification and data capture
techniques — Han Xin Code bar code
symbology specification
Technologies de l'information — Techniques d'identification et de
capture de données automatiques — Spécification des symboles du
code à barres de Han Xin
Reference number
©
ISO/IEC 2021
© ISO/IEC 2021
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
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Published in Switzerland
ii © ISO/IEC 2021 – All rights reserved

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and symbols . 1
3.1 Terms and definitions . 1
3.2 Mathematical and logical symbols . 3
4 Symbology description. 4
4.1 Symbology characteristics . 4
4.1.1 Basic characteristics . 4
4.1.2 Summary of additional features . 5
4.2 Symbol structure . 5
4.2.1 General. 5
4.2.2 Symbol Versions and Sizes . 6
4.2.3 Finder Pattern . 8
4.2.4 Position Detection Pattern separator.10
4.2.5 Alignment Pattern . . .10
4.2.6 Assistant Alignment Pattern .13
4.2.7 Structural Information Region .13
4.2.8 Data Region.14
4.2.9 Quiet Zone.14
5 Requirements .15
5.1 Encode procedure overview.15
5.2 Data analysis .16
5.3 Mode .17
5.3.1 General.17
5.3.2 Numeric mode . .19
5.3.3 Text mode .19
5.3.4 Binary byte mode .19
5.3.5 Common Chinese Characters in Region One mode .19
5.3.6 Common Chinese Characters in Region Two mode .20
5.3.7 GB18030 2-byte Region mode .20
5.3.8 GB18030 4-byte Region mode .20
5.3.9 Extended Channel Interpretation (ECI) mode .20
5.3.10 Unicode mode .20
5.3.11 GS1 mode .20
5.3.12 URI mode .21
5.4 Data encoding .21
5.4.1 General.21
5.4.2 Constructing the information bit stream .21
5.4.3 Constructing information codewords sequence .21
5.4.4 Numeric mode encoding .21
5.4.5 Text mode encoding .23
5.4.6 Binary mode encoding .24
5.4.7 Common Chinese Characters in Region One mode encoding .25
5.4.8 Common Chinese Characters in Region Two mode encoding.26
5.4.9 GB18030 2-byte Region mode encoding .27
5.4.10 GB18030 4-byte Region mode encoding .28
5.4.11 ECI mode encoding .29
5.4.12 Unicode mode .30
5.4.13 GS1 mode encoding .33
5.4.14 URI mode .36
© ISO/IEC 2021 – All rights reserved iii

5.4.15 Mixed modes encoding .41
5.5 Error detection and correction .42
5.5.1 General.42
5.5.2 Generating the error correction codewords .42
5.5.3 Error correction capacity .44
5.6 User considerations for encoding data in a Han Xin Code symbol .44
5.6.1 General.44
5.6.2 User selection of error correction level.44
5.6.3 User selection of mode .44
5.6.4 User selection of Extended Channel Interpretation .45
5.6.5 User selection of symbol size .45
5.7 Construction of final data bit stream .45
5.8 Symbol construction .45
5.8.1 General.45
5.8.2 Fixed Pattern placement .45
5.8.3 Data placement.46
5.8.4 Masking .48
5.8.5 Structural Information placement .49
6 Symbol dimensions .50
6.1 Dimensions .50
6.2 Quiet zone.50
7 User guidelines .50
7.1 Human readable interpretation .50
7.2 Autodiscrimination capability .51
7.3 Principle of Han Xin Code symbol printing an
...