IEC 61073-2-1993 光纤和光缆的接头.第2部分:分规范:光纤和光缆的连接组织导体和锁合
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来源:标准资料网
【英文标准名称】:Splicesforopticalfibresandcables;part2:sectionalspecification:spliceorganizersandclosuresforopticalfibresandcables
【原文标准名称】:光纤和光缆的接头.第2部分:分规范:光纤和光缆的连接组织导体和锁合
【标准号】:IEC61073-2-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:光波导;电气工程;玻璃纤维电缆;绞接件;绞接器材;电缆;分规范;紧固件
【英文主题词】:cables;fasteners;sectionalspecification;electricalengineering;opticalwaveguides;splices;splicedfittings;glassfibrecables
【摘要】:
【中国标准分类号】:L91
【国际标准分类号】:33_180_20
【页数】:125P;A4
【正文语种】:英语
【英文标准名称】:Electroacoustics-Hearingaids-Part4:Inductionloopsystemsforhearingaidpurposes-Magneticfieldstrength
【原文标准名称】:电声学.助听器.第4部分:助听器用感应回路系统.磁场强度
【标准号】:BSEN60118-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;音频;听力测定;定义;电气工程;电声学;电磁感应;场强(电);频率;助听器;感应;感应环路;磁场测量;磁场强度;磁场;测量;测量技术;无线电话;规范(验收);声频
【英文主题词】:
【摘要】:Thisinternationalstandardisapplicabletoaudio-frequencyinductionloopsystemsproducinganalternatingmagneticfieldataudiofrequenciesandintendedtoprovideaninputsignalforhearingaidsoperatingwithaninductionpick-upcoil.Thestandardspecifiesrequirementsforthefieldstrengthinaudio-frequencyinductionloopsforhearingaidpurposes,whichwillgiveadequatesignal-to-noiseratiowithoutoverloadingthehearingaid.Thestandardalsospecifiestheminimumfrequencyresponserequirementsforacceptableintelligibility.Methodsformeasuringthemagneticfieldstrengtharespecified,andinformationisgivenonappropriatemeasuringequipment(seeAnnexB),informationthatshouldbeprovidedtotheoperatorandusersofthesystem(seeAnnexC),andotherimportantconsiderations.Thestandarddoesnotspecifyrequirementsforloopdriveramplifiersorassociatedmicrophoneoraudiosignalsources,orforthefieldstrengthproducedbyequipment,suchastelephonehandsets,withinthescopeofITU-TP.370.
【中国标准分类号】:L31
【国际标准分类号】:11_180_15
【页数】:44P.;A4
【正文语种】:英语
Product Code:SAE J602
Title:Headlamp Aiming Device for Mechanically Aimable Headlamp Units (STABILIZED Feb 2011)
Issuing Committee:Road Illumination Devices Standards Committee
Scope:This document applies to the requirements of a device used in the field and inspection stations to aim and check aim of mechanically aimable headlamp units.The purpose of this document is to provide a laboratory test procedure to determine whether the devices under test are capable of accurately positioning headlamp units from their aiming pads and maintaining their accuracy in service within the tolerances designated in this document.
