DIN EN 60268-4-2004 声系统设备.第4部分:传声器
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【英文标准名称】:Soundsystemequipment-Part4:Microphones(IEC60268-4:2004);GermanversionEN60268-4:2004
【原文标准名称】:声系统设备.第4部分:传声器
【标准号】:DINEN60268-4-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-07
【实施或试行日期】:2004-07-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;测量技术;参考弧线;特性;测量;电气设备;天然噪音压力;参考釜;作标记;使用条件;环境条件;参数;声压级;阻抗;传输装置;声压;传声器;频率响应;频率曲线;传输系统;畸变系数;影响量;波幅;对称;传输系数;动力学;电声学;试验;非线性;噪声;电声器件;电气工程;电压测量;声传输
【英文主题词】:Acoustoelectricdevices;Amplitude;Classification;Distortionfactors;Dynamics;Electricalengineering;Electricalequipment;Electroacoustics;Environmentalcondition;Frequencycurve;Frequencyresponse;Impedance;Influencequantity;Marking;Measurement;Measuringtechniques;Microphones;Naturalnoisevoltage;Noise;Non-linearity;Operatingconditions;Parameters;Properties;Referenceaxes;Referencecurve;Soundpressure;Soundpressurelevel;Soundtransmission;Symmetry;Testing;Transfercoefficient;Transmissiondevices;Transmissionsystems;Voltagemeasuring
【摘要】:ThispartofIEC60268specifiesmethodsofmeasurementfortheelectricalimpedance,sensitivity,directionalresponsepattern,dynamicrangeandexternalinfluencesofsoundsystemmicrophones,andalsogivesrecommendationsastocharacteristicstobespecified.
【中国标准分类号】:M72
【国际标准分类号】:33_160_50
【页数】:49P.;A4
【正文语种】:德语
【英文标准名称】:Assistiveproductsforpersonswithdisability-Generalrequirementsandtestmethods.
【原文标准名称】:残疾人用技术辅助器具.试验方法和通用要求
【标准号】:NFS96-301-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-08-01
【实施或试行日期】:2012-08-18
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:可访问的;适用于残疾人的设计;调节元件;辅助设备;残疾人辅助器具;磨切;床上用品;刹车系统;药液;分类;清洁处理;兼容性;污染物;耐腐蚀性;传染危险性;危险物质;定义(术语);设计;残疾人;效率;电热毯;电气安全性;电磁兼容性;电磁兼容性(EMC);紧急断开;人类工效学;紧固件;易燃性;可折叠行为;缺陷者;残废人;情报系统;信息系统;喷射铸造零件;负载限值;材料选择;材料;床垫;机械卷边连接;机械性能;医疗器械;医疗设备;医学科学;智力缺陷人;危险分析;风险分析;安全;警告;危险管理;安全性;安全要求;安全性要求;声音;规范(验收);无菌;灭菌;;表面温度;专门装备;温度;试验;测试;痕量元素分析;残疾人的运送;用户信息;用户接口;振动;警告装置;报警装置
【英文主题词】:Accessible;Adapteddesigningfordisabledpersons;Adjustingelements;Aids;Aidsforthedisabled;Attrition;Bedding;Brakingsystem;Chemicals;Classification;Cleaning;Compatibility;Contamination;Corrosionresistance;Dangerofinfection;Dangerousmaterials;Definitions;Design;Disabledpeople;Efficiency;Electricblankets;Electricalsafety;Electromagneticcompatibility;EMC;Emergency-off;Ergonomics;Fasteners;Flammability;Foldingbehaviour;Handicappedpeople;Handicappedpersons;Informationsystems;Injectionmouldingparts;Loadlimit;Materialselection;Materials;Mattresses;Mechanicalcrimping;Mechanicalproperties;Medicaldevices;Medicalsciences;Mentally-handicappedpeople;Riskanalysis;Safety;Safetyrequirements;Sound;Specification(approval);Sterility;Sterilization(hygiene);Suitableforhandicappedpersons;Surfacetemperatures;Technicalaid;Temperature;Testing;Transportationofhandicappedpersons;Userinformation;Userinterface;Vibration;Warningdevices
【摘要】:
【中国标准分类号】:C45
【国际标准分类号】:11_180_01
【页数】:61P;A4
【正文语种】:其他
【英文标准名称】:Helical-scandigitalcomponentvideocassetterecordingsystemusing12,65mm(0,5in)magnetictape-FormatD-5
【原文标准名称】:使用12.65mm(0.5in)磁带的螺旋扫描数字视频盒式录音系统D-5格式
【标准号】:IEC61835-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:盒式磁带;盒式录象带;娱乐电子学;磁带记录;规范(验收);视频记录;数字录制技术
【英文主题词】:Acousticsignals;Cassettes(magnetictapes);Digitalrecordingtechnique;Digitalsignals;Dimensions;Electricalengineering;Entertainmentelectronics;Helicalscanrecording;Magnetictaperecordings;Magnetictapes;Parameters;Properties;Recording;Specification(approval);Videocassettes;Videorecording;Videosignals;Videotaperecordings;Videotapes
【摘要】:ThisInternationalStandarddefinestheelectricalandmechanicalcharacteristicsofequipmentwhichpermittheinterchangeabilityof12,65mmcassettescontainingdigitallyrecordedcomponentvideoprogrammes.Itspecifiesthecontent,formatandrecordingmethodofthedatablocksformingthehelicalrecordsonthetapecontainingvideo,audioandassociateddatausingthe12,65mm(0,5in)typeD-5cassettes.Inaddition,thisstandardspecifiesthecontent,formatandrecordingmethodofthelongitudinalrecordcontainingtrackinginformationforthescanningheadassociatedwiththehelicalrecords,aswellasthelongitudinalcueaudioandtimeandcontrolcodetracks.Onevideochannelandfourindependentaudiochannelsarerecordedinthedigitalformat.Eachofthesechannelsisdesignedtobecapableofindependentediting.Thevideochannelrecordsandreproducesacomponenttelevisionsignalinthe525-linesystemwithaframefrequencyof29,97Hz(hereinafterreferredtoas"525/60system")and625-linesystemwithaframefrequencyof25,00Hz(hereinafterreferredtoas"625/50system").
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:295P.;A4
【正文语种】:英语