【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-39:Particularrequirementsforcommercialelectricmulti-purposecookingpans;Amendment1
【原文标准名称】:家用和类似电器的安全.第2-39部分:商用多用途电平锅的特殊要求.修改件1
【标准号】:IEC60335-2-39AMD1-2004
【标准状态】:作废
【国别】:国际
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC61E
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Y63
【国际标准分类号】:97_040_50
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Fibreopticwavelengthswitches.Genericspecification
【原文标准名称】:光纤波长开关.通用规范
【标准号】:BSEN62099-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-09-13
【实施或试行日期】:2001-09-13
【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】:认可;组装件;组件;连接工艺;定义(术语);设计;尺寸选定;电气工程;电子设备及元件;纤维光学;纤维;检验;作标记;光波导;无源的;质量;质量保证;规范(验收);开关;测试;类型;波长
【英文主题词】:Approval;Assemblies;Components;Connectiontechnology;Definitions;Design;Dimensioning;Electricalengineering;Electronicequipmentandcomponents;Fibreoptics;Fibres;Inspection;Marking;Opticalwaveguides;Passive;Quality;Qualityassurance;Specification(approval);Switches;Testing;Types;Wavelengths
【摘要】:ThisInternationalStandardappliestofibreopticwavelengthswitches.Theterm"fibreopticwavelengthswitch"canbeusedtodescribeawiderangeofdevices,assembliesandsystemsbothactiveandpassive.Therefore,itisnecessarytoelaborateonthescopeandobjectofthisstandard.Thisspecificationisintendedtocoverthosedevicesandassemblieswhichhavethefollowingattributes.-Whiletheswitchactuationmeansisbynecessityactive,theopticalpathsthroughtheswitcharepassive.Thus,neitheropticalamplificationnoropto-electronicconversionisencompassed.-Theswitchfunctionisrestrictedtotheroutingoflightratherthanintentionalpowerdivisionplusrouting.Thus,signalbroadcastfunctionsarenotencompassed.-Theyhavetwoormoreportsforthetransmissionofopticalpowerandhavetwoormorestatesinwhichpowermayberoutedorblockedbetweentheseports.-Theportsareopticalfibresoropticalfibreconnectors.Wavelengthswitchingnormallyinvolvesseparationoftheindividualwavelengthstreamsoflightwhicharere-routedandthenrecombined.Thus,wavelengthswitchesmayinvolvemultipleopticaljunctionsandmultiple-stageswitchinglayoutsinteriortotheswitch.However,thespecificationsrelatetotheopticalperformancefromporttoportoftheoverallassembly.Systemcontrolandmonitoringwiththeirrelatedelectronicsandsoftwarearenotcoveredbythisspecification.Theswitchassemblymayhaveopticalmeanstofacilitatesuchfunctionality(suchasopticaltapsorwavelengthmonitoringmeans),butanyrelateddegradationinswitchperformanceshouldbecoveredbytheoverallswitchspecifications.Thisspecificationdealswithswitchesthatincorporatepassiveopticalpaths,and,therefore,itmaybeassumedthatthesignalperformance,otherthanthroughattenuation,isindependentofthesignalformat.However,particularlyinthecaseofwavelengthswitching,sometechnologiesforswitchingandforwavelengthdiscriminationmayhaveaninfluenceonthesignalsbeingcarriedonthechannels.Somefactorsthatmustbeconsideredare:spatialcrosstalk,crosstalkinthewavelengthdomain,andpolarizationeffects.Thisstandardestablishesuniformrequirementsforthefollowingpoints:-fibreopticwavelengthswitchrequirements;-qualityassessmentprocedures.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:36P.;A4
【正文语种】:英语
基本信息
标准名称: | 微电机产品质量分等 交流侧速发电机 |
中标分类: |
电工 >>
旋转电机 >>
微型电机 |
发布日期: | |
实施日期: | 1992-01-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 4页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 电工 旋转电机 微型电机