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GB/T 17934.1-2021Graphic technology - Process control for the production of half-tone colour separations, proof and production prints - Part 1: Parameters and measurement methods (English PDF)

印刷技术网目调分色版、样张和生产印刷品的加工过程控制第1部分：参数与测量方法

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 21, 2021

Implementation date

December 1, 2021

Scope

GB/T 17934.1-2021 is the English-translated version of 印刷技术网目调分色版、样张和生产印刷品的加工过程控制第1部分：参数与测量方法.

GB/T 17934.1-2021 is the Chinese standard "Graphic technology - Process control for the production of half-tone colour separations, proof and production prints - Part 1: Parameters and measurement methods".

Its scope clause reads: This part of GB/T 17934 specifies and explains the minimum parameter set required for four-color printing process control, which is used to uniquely determine the printed matter Image visual characteristics and related technical characteristics of printed products, as well as basic process control that has nothing to do with the process under fully characterized printing conditions parameter. Its clauses include terms and definitions.

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Document preview — GB/T 17934.1-2021

National Standard of the People's Republic of China

Classification: A 17

Issued by: State Administration for Market Regulation, China National Standardization Administration

1 Scope
2 Normative references
3 Terms and definitions
3.1 Achromatic colour
3.2 Axisofascreen
3.3 Chromaticcolour

1 Scope

This part of GB/T 17934 specifies and explains the minimum parameter set required for four-color printing process control, which is used to uniquely determine the printed matter

Image visual characteristics and related technical characteristics of printed products, as well as basic process control that has nothing to do with the process under fully characterized printing conditions parameter.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.

ISO 5-3 Photographic Density Measurement Part 3.Spectral Conditions (Photographyandgraphictechnology-Density measurements-Part 3.Spectralconditions)

ISO 5-4 Photographic Density Measurement Part 4.Geometric Conditions of Reflection Density (Photographyandgraphictechnolo- gy-Densitymeasurements-Part 4.Geometricconditionsforreflectiondensity)

ISO 12647 (all parts) Printing technology, screen adjustment, color separation, proofs and process control of printed matter (Graphic technology-Processcontrolfortheproductionofhalftonecolourseparations,proofandproduction prints)

ISO 13655.Spectral measurement and chromaticity calculation of printed images in printing technology (Graphictechnology-Spectralmeasure- mentandcolorimetriccomputationforgraphicartsimages)

3 Terms and definitions

The following terms and definitions apply to this document.

Note. The unit of the quantity is given together in the definition, and the dimensionless unit is 1.

3.1 Achromatic colour

A color that has no sense of hue in vision.

Note 1.Achromatic colors generally refer to black, white, and gray. For transmissive materials, "colourless" and "neutral" are also used to describe.

Note 2.In printing practice, achromatic color can be produced by a single black ink, or it can be produced by a proper balance of three color (and an achromatic) ink.

[CIE17.4,845-02-26]

3.2 Axisofascreen

Among the two directions of the halftone pattern, the direction that presents the highest number of image elements (such as the number of points or lines) per unit length.

3.3 Chromaticcolour

A color with a sense of hue in vision.

Note. The printing primary colors cyan, magenta and yellow are colored inks.

GB/T 16784 | GB/T 42496 | WB/T 1120 | GB/T 17934.9 | GB/T 17934.6 | GB/T 17934.4 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 5 · ISO 12647 · ISO 13655

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