• 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)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2002

    Publisher:  Comitato Elettrotecnico Italiano

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

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    Committee CT 100
    Development Note Classificazione CEI 100-91. (12/2002)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    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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