IEC 61947-1-2002 Electronic projection - Measurement and documentation of key performance criteria - Part 1 Fixed resolution projectors《电子投影.主要性能标准的测量和文件化.第1部分 固定分辨投影仪》.pdf
《IEC 61947-1-2002 Electronic projection - Measurement and documentation of key performance criteria - Part 1 Fixed resolution projectors《电子投影.主要性能标准的测量和文件化.第1部分 固定分辨投影仪》.pdf》由会员分享,可在线阅读,更多相关《IEC 61947-1-2002 Electronic projection - Measurement and documentation of key performance criteria - Part 1 Fixed resolution projectors《电子投影.主要性能标准的测量和文件化.第1部分 固定分辨投影仪》.pdf(74页珍藏版)》请在麦多课文档分享上搜索。
1、 IEC 61947-1 Edition 1.0 2002-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Electronic projection Measurement and documentation of key performance criteria Part 1: Fixed resolution projectors Projection lectronique Mesure et documentation des critres principaux de performance Partie 1: Projecteurs
2、rsolution fixe IEC 61947-1:2002 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2002 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
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16、2002-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Electronic projection Measurement and documentation of key performance criteria Part 1: Fixed resolution projectors Projection lectronique Mesure et documentation des critres principaux de performance Partie 1: Projecteurs rsolution fixe INTERNATIO
17、NAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE V ICS 35.180; 37.020; 33.160.60 PRICE CODE CODE PRIX ISBN 978-2-83220-632-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sur
18、e that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61947-1 IEC:2002 CONTENTS FOREWORD . 3 INTRODUCTION . 4 1 Scope . 5 2 Normative references 5 3 Definitions 6 4 General requirements
19、. 10 5 Light output measurement and specification 11 5.1 Light output specifications 12 5.2 Light output uniformity . 13 5.3 Contrast ratio . 13 5.4 Light transmission for fixed resolution projection systems: liquid-crystal imaging devices (LCD) used with an overhead projector (OHP) 13 5.5 Small are
20、a contrast ratio for alternating black and white pixel lines . 14 6 Fixed resolution projectors characteristics . 15 6.1 Displayable format (IEC resolution) 15 6.2 Aspect ratio . 15 6.3 Viewing angle (half/gain) specification for devices with an integral screen 15 6.4 Input signal format compatibili
21、ty . 16 6.5 Response time 16 6.6 Colour measurements 16 6.7 Number of colours . 17 6.8 Keystone correction . 17 7 Range of focus and image size . 17 8 Audio characteristics . 18 9 Light source specification. . 18 10 Maximum acoustical noise level 18 11 Power consumption 18 12 Weight 19 13 Dimensions
22、 . 19 14 Sync hierarchy Recommended practice 19 Annex A (normative) Figures 20 Annex B (normative) Pattern generator specifications . 23 Annex C (informative) Considerations in formulating this standard 24 Annex D (normative) Complete sample specification . 26 Annex E (informative) Conversion equati
23、ons. 27 Annex F (informative) Possible causes of photometric measurement errors 28 Annex G (informative) Photometer precision and veiling glare . 29 Annex H (informative) Light measuring devices 31 Annex I (Informative) Figure of merit for projection display colour gamut . 32 Bibliography 34 61947-1
24、 IEC:2002 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRONIC PROJECTION MEASUREMENT AND DOCUMENTATION OF KEY PERFORMANCE CRITERIA Part 1: Fixed resolution projectors FOREWORD 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all n
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