IEC 61947-1:2002
Current
The latest, up-to-date edition.
Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed resolution projectors
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, English - French, Spanish, Castilian
09-08-2002
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 Light transmission for fixed resolution projection
systems: liquid-crystal imaging devices (LCD) used
with an overhead projector (OHP)
5.5 Small area contrast ratio for alternating black and
white pixel lines
6 Fixed resolution projectors characteristics
6.1 Displayable format (IEC resolution)
6.2 Aspect ratio
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 Number of colours
6.8 Keystone correction
7 Range of focus and image size
8 Audio characteristics
9 Light source specification
10 Maximum acoustical noise level
11 Power consumption
12 Weight
13 Dimensions
14 Sync hierarchy - Recommended practice
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) Conversion equations
Annex F (informative) Possible causes of photometric
measurement errors
Annex G (informative) Photometer precision and veiling glare
Annex H (informative) Light measuring devices
Annex I (Informative) Figure of merit for projection display
colour gamut
Bibliography
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.