IEC 61947-2:2001
Current
The latest, up-to-date edition.
Electronic projection - Measurement and documentation of key performance criteria - Part 2: Variable resolution projectors
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English, English - French, Spanish, Castilian
17-09-2001
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 Light output measurement and specification
5.1 Light output specifications
5.2 Light output uniformity
5.3 Contrast ratio
5.4 Blanking measurement and specification
5.5 Effective blanking time
5.6 Blanking specification
6 Variable resolution projector characteristics
6.1 Visual resolution measurement and specification
6.2 Video frequency response specifications
6.3 Viewing angle (half/gain) specification for
devices with an integral screen
6.4 Input signal format compatibility
6.5 Response time
6.6 Colour measurements
6.7 Keystone correction
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
14.1 Recommended practice 1 - Sync hierarchy
14.2 Recommended practice 2 - DC restoration
14.3 Recommended practice 3 - Sync
14.4 Recommended practice 4 - Scan range labeling
Annex A (normative) Figures
Annex B (normative) Pattern generator specifications
Annex C (informative) Considerations in formulating
this standard
C.1 General
C.2 Light output measurement
C.3 Visual resolution measurement
C.4 Possible causes for measurement errors
C.5 Input signal levels
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
F.1 Size of measured spot
F.2 Colour measurement
Annex G (normative) Alternative method for measuring
resolution using the NIDL grille contrast method
Annex H (informative) Photometer precision and veiling glare
H.1 Photometer precision
H.2 Integration time
H.3 Veiling glare
Annex I (informative) Light measuring devices
Annex J (informative) Figure of merit for projection
display colour gamut
Bibliography
Figures
IEC 61947-2:2001 specifies 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. This bilingual version (2013-02) corresponds to the monolingual English version, published in 2001-09.
| Committee |
TC 100
|
| DevelopmentNote |
Stability Date: 2024. (11/2012) A Bilingual edition has been published. (03/2013)
|
| DocumentType |
Standard
|
| Pages |
45
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Standards | Relationship |
| NEN EN IEC 61947-2 : 2002 | Identical |
| I.S. EN 61947-2:2002 | Identical |
| PN EN 61947-2 : 2003 | Identical |
| BS EN 61947-2:2002 | Identical |
| EN 61947-2:2002 | Identical |
| NF EN 61947-2 : 2004 | Identical |
| DIN EN 61947-2:2002-07 | Identical |
| UNE-EN 61947-2:2002 | Identical |
| CEI EN 61947-2 : 2002 | Identical |
| BS IEC 62906-5-2:2016 | Laser display devices Optical measuring methods of speckle contrast |
| UNI EN ISO 9241-305 : 2009 | ERGONOMICS OF HUMAN-SYSTEM INTERACTION - PART 305: OPTICAL LABORATORY TEST METHODS FOR ELECTRONIC VISUAL DISPLAYS |
| EN 61947-1:2002 | Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed resolution projectors |
| BS EN ISO 9241-307:2008 | Ergonomics of human-system interaction Analysis and compliance test methods for electronic visual displays |
| I.S. EN ISO 9241-307:2008 | ERGONOMICS OF HUMAN-SYSTEM INTERACTION - PART 307: ANALYSIS AND COMPLIANCE TEST METHODS FOR ELECTRONIC VISUAL DISPLAYS |
| VDI 3786 Blatt 5:2015-10 | Environmental meteorology - Meteorological measurements - Radiation |
| 14/30299433 DC : 0 | BS EN 62906-1-2 - LASER DISPLAY DEVICES - PART 1-2: TERMINOLOGY AND LETTER SYMBOLS |
| I.S. EN 61947-1:2002 | ELECTRONIC PROJECTION - MEASUREMENT AND DOCUMENTATION OF KEY PERFORMANCE CRITERIA - PART 1: FIXED RESOLUTION PROJECTORS |
| IEC 62906-5-2:2016 | Laser display devices - Part 5-2: Optical measuring methods of speckle contrast |
| EN ISO 9241-305:2008 | Ergonomics of human-system interaction - Part 305: Optical laboratory test methods for electronic visual displays (ISO 9241-305:2008) |
| UNI EN ISO 9241-307 : 2009 | ERGONOMICS OF HUMAN-SYSTEM INTERACTION - PART 307: ANALYSIS AND COMPLIANCE TEST METHODS FOR ELECTRONIC VISUAL DISPLAYS |
| DIN EN ISO 9241-305:2009-06 | ERGONOMICS OF HUMAN-SYSTEM INTERACTION - PART 305: OPTICAL LABORATORY TEST METHODS FOR ELECTRONIC VISUAL DISPLAYS |
| CEI EN 61947-1 : 2003 | ELECTRONIC PROJECTION - MEASUREMENT AND DOCUMENTATION OF KEY PERFORMANCE CRITERIA - PART 1: FIXED RESOLUTION PROJECTORS (IEC 61947-1:2002) |
| DIN EN ISO 9241-307:2009-06 | ERGONOMICS OF HUMAN-SYSTEM INTERACTION - PART 307: ANALYSIS AND COMPLIANCE TEST METHODS FOR ELECTRONIC VISUAL DISPLAYS |
| 07/30163156 DC : 0 | BS EN 62433-2 - MODELS OF INTEGRATED CIRCUITS FOR EMI BEHAVIOURAL SIMULATION - ICEM-CE, ICEM CONDUCTED EMISSION MODEL |
| 17/30340372 DC : 0 | BS EN 62906-5-1 ED 1.0 - LASER DISPLAY DEVICES - PART 5-1: MEASUREMENT OF OPTICAL PERFORMANCE FOR LASER FRONT PROJECTION |
| ISO 9241-305:2008 | Ergonomics of human-system interaction — Part 305: Optical laboratory test methods for electronic visual displays |
| ISO 9241-307:2008 | Ergonomics of human-system interaction — Part 307: Analysis and compliance test methods for electronic visual displays |
| EN ISO 9241-307:2008 | Ergonomics of human-system interaction - Part 307: Analysis and compliance test methods for electronic visual displays (ISO 9241-307:2008) |
| BS EN ISO 9241-305:2008 | Ergonomics of human-system interaction Optical laboratory test methods for electronic visual displays |
| ECMA 74 : 14ED 2017 | MEASUREMENT OF AIRBORNE NOISE EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT |
| BS EN 61947-1:2002 | Electronic projection. Measurement and documentation of key performance criteria Fixed resolution projectors |
| I.S. EN ISO 9241-305:2009 | ERGONOMICS OF HUMAN-SYSTEM INTERACTION - PART 305: OPTICAL LABORATORY TEST METHODS FOR ELECTRONIC VISUAL DISPLAYS |
| IEC 60050-845:1987 | International Electrotechnical Vocabulary (IEV) - Part 845: Lighting |
| IEC 61947-1:2002 | Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed 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 7779:2010 | Acoustics Measurement of airborne noise emitted by information technology and telecommunications equipment |
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