BS EN 61262-7:1996
Current
The latest, up-to-date edition.
Characteristics of electro-optical X-ray image intensifiers for medical electrical equipment Determination of the modulation transfer function
Hardcopy , PDF
English
15-06-1996
Foreword
Introduction
1 Scope
2 Normative references
3 Terminology
3.1 Definitions
3.2 Degree of requirements and reading instructions
4 Requirements
4.1 Test set-up
4.2 X-RAY IMAGE INTENSIFIER - Operating conditions
4.3 Input RADIATION
4.4 Test device
4.5 Measurement equipment
5 Determination of the MODULATION TRANSFER FUNCTION
5.1 Preparation
5.2 Measurement
5.3 Corrections
5.4 Determination of the LOW-FREQUENCY DROP
5.5 Overall accuracy of determination
6 Presentation of the MODULATION TRANSFER FUNCTION
7 Statement of compliance
Figure
1 Measuring arrangement
Annexes
A Terminology - Index of defined terms
B Construction of the TEST DEVICE
C Determination of the MTFA of the MTF ANALYSER
D Bibliography
ZA (normative) Normative references to international
publications with their corresponding European
publications
Applies to electro-optical X-ray image intensifiers for medical use, as components of diagnostic X-ray equipment.
| Committee |
CH/62/2
|
| DevelopmentNote |
Also numbered as IEC 61262-7 Supersedes 95/560960 DC (11/2005)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard applies to electro-optical X-ray image intensifiers for medical use, as components of diagnostic X-ray equipment. This International Standard describes a method of determining the modulation transfer function of X-ray image intensifiers.
| Standards | Relationship |
| DIN EN 61262-7:2002-05 | Identical |
| NBN EN 61262-7 : 1996 | Identical |
| EN 61262-7:1995 | Identical |
| I.S. EN 61262-7:1997 | Identical |
| NF EN 61262-7 : 1996 | Identical |
| UNE-EN 61262-7:1997 | Identical |
| BS 6641:1985 | Glossary of medical radiology terms |
| ISO 11421:1997 | Optics and optical instruments — Accuracy of optical transfer function (OTF) measurement |
| BS EN 61262-4:1995 | Characteristics of electro-optical X-ray image intensifiers for medical electrical equipment. Determination of the image distortion |
| ISO 9334:2007 | Optics and photonics — Optical transfer function — Definitions and mathematical relationships |
| BS EN 60336:2005 | Medical electrical equipment. X-ray tube assemblies for medical diagnosis. Characteristics of focal spots |
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