JB/T 7474.2-2014Automatic Camera Technology Conditions - Part 2: DX Check Code (English PDF)
自动照相机技术条件 第2部分：DX检码
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 7474.2-2014 is the English-translated version of 自动照相机技术条件 第2部分：DX检码.
The second part of the automatic camera series, JB/T 7474.2-2014 is a recommended Chinese machinery industry standard on the DX check code function. It fixes the technical requirements and the test methods for DX code detection in a camera, expressly leaving out the detection of the film exposure latitude code.
Its field is 35 mm cameras equipped with a DX detection function. JB/T 8249.7 is the document it quotes. It takes the place of JB/T 7474.2-1994, and it is classified N46 with ICS 37.040.10. Issued on 6 May 2014, it has applied since 1 October 2014.
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Document preview — JB/T 7474.2-2014
National Standard of the People's Republic of China
- ICS
- 37.040.10
- Replacing
- JB/T 7474.2-1994
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- [Preview only]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Technical requirements
- 4.1 General requirements
- 4.2 Model designation
- 6 Test methods
- 6.1 Factory inspection
- 6.2 Type inspection
- 7 Inspection rules
- 8 Marking, packaging, transportation and storage
- 8.1 Marking
- 8.2 Packaging
1 Foreword
JB/T 7474.2-2014 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 6 May 2014 and has been in force since 1 October 2014.
It replaces the earlier edition JB/T 7474.2-1994.
It is one of 8 parts of the JB/T 7474 series.
2 Scope Preview
The second part of the automatic camera series, JB/T 7474.2-2014 is a recommended Chinese machinery industry standard on the DX check code function. It fixes the technical requirements and the test methods for DX code detection in a camera, expressly leaving out the detection of the film exposure latitude code. Its field is 35 mm cameras equipped with a DX detection function. JB/T 8249.7 is the document it quotes. It takes the place of JB/T 7474.2-1994, and it is classified N46 with ICS 37.040.10.
JB/T 7474.2-2014 falls under ICS 37.040.10, in the field of image technology.
This catalogue holds 169 other JB/T standards in that field.
In this catalogue, JB/T standards carry edition years from 1967 to 2026.
3 Normative references
JB/T 8249.7
4 Where this standard sits
JB/T 7474.2-2014 is classified under ICS 37.040.10, in the field of image technology.
It cites one other standard, JB/T 8249.7, listed in full above.
It is one part of the JB/T 7474 series, of which this catalogue holds 8 parts.
5 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
6 Related standards
Other parts of this standard:
JB/T 7474.1-1994 — Cameras - Built-in flash - Technical specifications
JB/T 7474.1-2016 — Technical requirements for automatic cameras - Part 1: Built-in flash
JB/T 7474.3-1994 — Specifications for camera magazine and reverse layer
JB/T 7474.3-2014 — Part 3: Automatic Film Winding and Film Rewinding
JB/T 7474.4-1994 — Cameras - Automatic focusing - Technical specifications
JB/T 7474.4-2014 — Part 4: Automatic Focusing
JB/T 7474.5-1994 — Acceptance conditions for basic performance of cameras
Other editions:
JB/T 7474.2-1994 (earlier edition)
Standards on related subjects:
DY/T 8-2023 — Technical requirements and measurement methods for digital cinema LEDauditorium
JB/T 8249.3-2016 — Camera general requirement - Part 3: Shutter cable release tip and socket
JB/T 9434-2016 — Tripods for cameras
7 Classification and status
International classification (ICS): 37.040.10
Chinese Standard Classification (CCS): N 46
Prefix JB/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.
Referenced standards
Normative references
Similar standards
Editions of JB/T 7474.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7474.2-2014 | Automatic Camera Technology Conditions - Part 2: DX Check Code | current edition | Current |
| JB/T 7474.2-1994 | Automatic Camera Technology Conditions - Part 2: DX Check Code | previous edition | Superseded |
This page sells the current edition, JB/T 7474.2-2014. Earlier editions are listed for reference only.
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Related Standards
JB/T 8249.7-1995 — Automatic exposure control camera
JB/T 8249.7-1999 — Cameras - Automatic exposure control
JB/T 7474.3-2014 — Automatic Camera Technology Conditions - Part 3: Automatic Film Winding and Film Rewinding
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