【英文标准名称】:Dentalinstruments;dentalforceps,typeLondonCollege
【原文标准名称】:口腔科器械；LondonCollege型牙镊
【标准号】:DIN58268-1971
【标准状态】:作废
【国别】:德国
【发布日期】:1971-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;材料;公差;移液管;医学科学;尺寸;牙科学;砝码
【英文主题词】:dimensions;materials;weights;pipettes;dentistry;medicalsciences;tolerances(measurement);marking
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:0690
【页数】:2P;A4
【正文语种】:德语


【英文标准名称】:Liquidcrystalandsolid-statedisplaydevices-Measuringmethodsforliquidcrystalmodules-Transmissivetype
【原文标准名称】:液晶和固态显示器件.液晶模块的测量方法.传输类型
【标准号】:BSEN61747-6-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-06-14
【实施或试行日期】:2004-06-14
【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】:模数;液晶;液晶显示;指示器;合格;试验;电子设备及元件;质量保证;电气工程;设计;电子工程;质量;测量技术;型式;指示;认可;制造;生产;元部件
【英文主题词】:Approval;Components;Conformity;Design;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Endurancetesting;Environmentaltesting;Indications;LCD;Liquidcrystaldisplays;Liquidcrystals;Manufacturing;Measuringtechniques;Mechanicaltesting;Modules;Production;Quality;Qualityassurance;Randomsamples;Telltales;Testing;Types;Visualinspection(testing)
【摘要】:ThispartofIEC61747givesdetailsofthequalityassessmentprocedures,inspectionrequirements,screeningsequences,samplingrequirementsandtestandmeasurementproceduresrequiredfortheassessmentofliquidcrystaldisplaymodules.Thisstandardisrestrictedtotransmissiveliquidcrystaldisplay(LCD)modulesusingeithersegment,passiveoractivematrixandachromaticorcolourtypeLCDs(seeClause3,chromaticityandpixeldefinitions)thatareequippedwiththeirownintegratedsourceofilluminationorwithouttheirownsourceofillumination.Forbothrearprojection-displaysystemsandfrontprojection-displaysystems,opticalperformanceonthescreenisnotonlydeterminedbythepanelperformanceasdescribedinthisstandard,butalsobythelightingsystem,suchastheprojectionlens,screen,lightfilter,etc.Therefore,thisstandardisnotapplicabletosuchprojection-displaysystems.(Nevertheless,forthedeterminationof"onthescreen"opticalperformanceofrearprojection-displaysystems,thisstandardmaybeusedasaguideline).Inordertoachieveausefulanduniformdescriptionoftheperformanceofthedisplaydevicescoveredinthisstandard,specificationsforcommonlyacceptedrelevantparametersareprovidedandfallintothefollowingcategories:a)generaltype(e.g.pixelresolution,diagonal,pixellayout);b)optical(e.g.contrastratio,responsetime,viewingdirection,cross-talk,etc.);c)electrical(e.g.powerconsumption,EMC);d)mechanical(e.g.modulegeometry,weight);e)passedenvironmentalendurancetest;f)reliabilityandhazard/safety.Inmostcategories,thespecificationisself-explanatory.Forsome,however,notablyintheareaofopticalandelectricalperformance,thespecifiedvaluemaydependonthemeasuringmethod.Theobjectofthisstandardistoindicateandlisttheprocedure-dependentparametersandtoprescribethespecificmethodsandconditionsthataretobeusedfortheiruniformnumericaldetermination.Itisassumedthatallmeasurementsareperformedbypersonnelskilledinthegeneralartofradiometricandelectricalmeasurementsasthepurposeofthisstandardisnottogiveadetailedaccountofgoodpracticeinelectricalandopticalexperimentalphysics.Furthermore,allequipmentneedstobesuitablycalibratedbycompetentpersonnel,andrecordsofthecalibrationdataandtraceabilityneedtobekept.
【中国标准分类号】:L47
【国际标准分类号】:31_120
【页数】:44P;A4
【正文语种】:英语