【英文标准名称】:Electronicprojection.Measurementanddocumentationofkeyperformancecriteria.Variableresolutionprojectors
【原文标准名称】:电子投影.关键性能标准的测量和文献.可调分辨率的投影仪
【标准号】:BSEN61947-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-16
【实施或试行日期】:2002-04-16
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;音频的;阴极射线管;计算机绘图;计算机技术;定义;显示装置;溶解;失真;电气工程;电子仪器;扩展;电影放映机;固定的;调焦点;格栅体系;指示范围;指示;指示器;激光器;液晶显示屏(LCD);光;光分布;液晶显示屏;数学计算;测量;高层投影;画面尺寸;投影法(制图);性能;评定;分辨率;风标;变量;视频信号;可视图文
【英文主题词】:Acousticsignals;Audio;Cathode-raytubes;Computergraphics;Computertechnology;Definitions;Displayunits;Dissolution;Distortion;Electricalengineering;Electronicinstruments;Enlarging;Filmprojectors;Fixed;Focusing;Gridsystems;Indicationranges;Indications;Indicators;Lasers;LCD;Light;Lightdistributions;Liquidcrystaldisplays;Mathematicalcalculations;Measurement;Overheadprojection;Picturesizes;Projection(drawing);Properties;Ratings;Resolution;Telltales;Variable;Videosignals;Videotex
【摘要】:ThispartofIEC61947specifiesrequirementsformeasuringanddocumentingkeyperformanceparametersforCRTandlaser-basedprojectorsandothervariableresolutionprojectorsthatarecapableofmultiplevariableresolutionsandinwhichtheimageisraster-scanned.Theprovisionsofthisstandardaredesignedtocodifythemeasurementoftheperformanceofvariableresolutionprojectorsandarenotintendedtoprovidedesigngoalsformanufacturersofsuchequipment.Thisstandardisintendedforvariableresolutionprojectors(includingprojectiondisplaysthatarecapableofmultiplevariableresolutions)thataredesignedforusewithprimarilydiscretecolour(RGB)raster-scannedvideo,text,andgraphicssignalsgeneratedbycomputerequipment.NOTEThesedevicesmayalsoacceptcompositeorcomponenttelevisionvideosignalsencodedtoNTSC/RS170A,PAL,SECAM,orfutureHDTV,orATVstandards,whicharefullydescribedintheirrespectivedocumentationandarenotwithinthescopeofthispartofIEC61947.InthispartofIEC61947,allofthesesignalsarereferredtoastelevisionvideo(TVvideo)(seeIEC60107-1[27]).Displayswithfixedresolutions(i.e.individualpixellightsourcesormatrixdisplayssuchasliquidcrystal,DMD,plasma,orelectroluminescentpanels),arenotfullyaddressedbythisstandard,andreferenceshouldbemadetoIEC61947-1.FactorsoutsidethescopeofthisstandardthatmayhaveabearingonprojectorperformancearelistedinannexE.AdiscussionofconsiderationsinformingthedevelopmentofstandardappearsinannexC.
【中国标准分类号】:L81
【国际标准分类号】:33_160_99;37_040_10
【页数】:48P;A4
【正文语种】:英语