CEI EN 61947-2 : 2002
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)
Hardcopy , PDF
English
01-01-2002
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.