ELECTRONIC PROJECTION - MEASUREMENT AND DOCUMENTATION OF KEY PERFORMANCE CRITERIA - PART 2: VARIABLE RESOLUTION PROJECTORS
International Electrotechnical Committee
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
Defines 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.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 100 |
