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CEI EN 61947-2 : 2002

Current
Current

The latest, up-to-date edition.

ELECTRONIC PROJECTION - MEASUREMENT AND DOCUMENTATION OF KEY PERFORMANCE CRITERIA - PART 2: VARIABLE RESOLUTION PROJECTORS (IEC 61947-2:2001)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2002

FORWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 Light output measurement and specification
6 Variable resolution projector characteristics
7 Range of focus and image size
8 Audio characteristics
9 Light source specification
10 Noise: maximum sound level
11 Power consumption
12 Weight
13 Dimensions
14 Recommended practices
Annex A (normative) - Figures
Annex B (normative) - Pattern generator specifications
Annex C (informative) - Considerations in formulating
        this standard
Annex D (normative) - Complete Sample Specification
Annex E (informative) - Other issues, outside the scope of
        this standard, that may affect picture clarity
Annex F (informative) - Possible causes of photometric
        measurement errors
Annex G (normative) - Alternative method for measuring
        resolution using the NIDL grille contrast method
Annex H (informative) - Photometer precision and veiling
        glare
Annex I (informative) - Light measuring devices
Annex J (informative) - Figure of merit for projection
        display colour gamut
Annex ZA (normative) - Normative references to international
         publications with their corresponding European publications
Bibliography

Provides requirements for measuring and documenting key performance parameters for CRT and laser-based projectors and other variable resolution projectors that are capable of multiple variable resolutions and in which the image is raster-scanned.

Committee
CT 100
DevelopmentNote
Classificazione CEI 100-91. (12/2002)
DocumentType
Standard
Pages
52
PublisherName
Comitato Elettrotecnico Italiano
Status
Current

Standards Relationship
IEC 61947-2:2001 Identical
EN 61947-2:2002 Identical

IEC 60050-845:1987 International Electrotechnical Vocabulary (IEV) - Part 845: Lighting
EN ISO 3741:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms (ISO 3741:2010)
IEC 61947-1:2002 Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed resolution projectors
EN ISO 7779:2010 Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:2010)
PIMA IT7.227 : 1998 AUDIOVISUAL SYSTEMS - ELECTRONIC PRODUCTION - VARIABLE RESOLUTION PROJECTORS
ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
ISO 9241-8:1997 Ergonomic requirements for office work with visual display terminals (VDTs) Part 8: Requirements for displayed colours
ISO 7779:2010 Acoustics Measurement of airborne noise emitted by information technology and telecommunications equipment

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