Valid

GB/T 18805-2002Commodity bar code printability test (English PDF)

商品条码印刷适性试验

Preview PDF

This is a limited preview

Buy now to download the full PDF (15 pages)

Need quotation for your management?

Get a formal quotation for GB/T 18805-2002 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 9, 2002

Implementation date

April 1, 2003

Scope

GB/T 18805-2002 is the English-translated version of 商品条码印刷适性试验.

GB/T 18805-2002 is the Chinese national standard covering commodity bar code printability test. It was issued on 9 August 2002 and has been in force since 1 April 2003, as a first edition.

The document is under the responsibility of the Standardization Administration of China. This page is published from the official record of the 2002 edition. The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.

Found what you need?

Document preview — GB/T 18805-2002

National Standard of the People's Republic of China

ICS: 35.040
Classification: A 24

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

[Preview only]
1 Scope
1.2 Normative references
1.3 Principles and rules followed
1.4 Limitation
2.1 Terms and Definitions
2.2 Symbols and Abbreviations
2.3 Method of describing bit stream syntax
2.4 Transport Stream bitstream requirements
2.5 Program Stream Bitstream Requirements
2.6 Program and Program Element Descriptors
2.7 Restrictions on the Multiplexed Stream Semantics
2.8 Compatibility with GB/T 17191
2.9 Compatibility with GB/T 20090
3.2 Abbreviations
3.3 Naming and addressing terminology
3.4 Indicates that the service term
3.5 B-picture; bidirectionally predictive-coded picture
3.6 Backward compatibility
3.7 Backward motion vector
4.1 Environmental conditions
4.2 Measurement apparatus
4.3 Sample
4.4 Bitwise Operators
4.5 Assignment
4.6 Mnemonics
4.7 Constants
5 Conventions
5.1 Overview
5.2 Evaluation parameters of scan reflectance profile
5.3 Reserved, Forbidden and Marker_bit
5.4 Arithmetic Precision
5.5 Concept of process
5.6 Processes in this standard
5.7 Application of the process
5.8 Process Reference Model
6 Measurement Methodology
6.1 General requirements
6.2 Scan reflectance profile
6.3 Scan reflectance profile assessment parameters
6.4 Technical Process Group
7 Symbol Grading
7.1 Scan reflectance profile grading
7.2 Determination of symbol grade
7.3 Expression of symbol grade
7.4 Integration of each single evaluation parameter of scan reflectance profile
7.5 Inverse DCT
7.6 Motion Compensation
7.7 Spatial Scalability
7.8 SNR Scalability
7.9 Temporal Scalability
8 Profiles and Levels
8.1 GB/T 17191.2 Compatibility
8.2 Relationship between Defined Profiles
8.4 Scalable Layers
8.5 Parameter Values for Defined Profiles, Levels and Layers
8.6 Compatibility Requirements for Decoder
9 XML instance documents
9.1 Functional architecture
9.2 Functional components
9.3 Redefine the Header class
9.4 Control class

1 Foreword

GB/T 18805-2002 was issued by State Administration for Market Regulation; Standardization Administration of the PRC on 9 August 2002 and has been in force since 1 April 2003.

The GB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 15 pages in English translation.

2 Scope Preview

GB/T 18805-2002 falls under ICS 35.040, in the field of information technology.

This catalogue holds 3,378 other GB/T standards in that field.

In this catalogue, GB/T standards carry edition years from 1963 to 2026.

3 About this standard

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

English translation: about 15 pages

4 Related standards

Other editions:

GB/T 18805-2026 (later edition)

Standards on related subjects:

GB/T 18348-2022 — Bar code for commodity - Bar code symbol print quality verification

GB/T 16828-2021 — Bar code for commodity - Global location numbering and bar code marking

GB/T 18347-2001 — Code 128

GB/T 18391.1-2026 — Information technology - Metadata registries (MDR) - Part 1: Framework

GB/T 18804-2022 — Codes for types of means of transport

5 Classification and status

International classification (ICS): 35.040

Chinese Standard Classification (CCS): A 24

Prefix GB/T: recommended standard.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Similar standards

GB/T 32915-2026|GB/T 42382.2-2026|GB/T 42382.3-2026|GB/T 47277-2026|GB/T 47312-2026|GB/T 47681.1-2026

How to Download GB/T 18805-2002

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.