ANSI/UL 2044-2004 商用闭路电视设备的安全标准
时间:2024-05-01 21:09:32 来源: 标准资料网 作者：标准资料网 阅读：9637
【英文标准名称】:StandardforSafetyforCommercialClosed-CircuitTelevisionEquipment(ProposaldatedMay2,2008)
【原文标准名称】:商用闭路电视设备的安全标准
【标准号】:ANSI/UL2044-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;接地;电气安全;安全;信号传输;信号;电视设备;电视接收机;电视系统;电视技术;测试;电视工程;视频设备;磁带录像机;视频放大器
【英文主题词】:Definition;Definitions;Earthing;Electricalsafety;Safety;Signaltransmission;Signals;Televisionequipment;Televisionreceivers;Televisionsystems;Televisiontechnology;Testing;Videoengineering;Videoequipment;Videotaperecorders;Videofrequencyamplifiers
【摘要】:TheserequirementsCCTVequipmentintendedforcommercialuseonsupplycircuitsasdefinedinNFPA70,andreceivetheirsignalsfromavideo-recordedmediumorimage-producingdevicesinaCCTVsystem.TheserequirementsCCTVequipmentsuchasvideotaperecorders;video-receiving,-processing,-recording,-producing,and-amplificationequipment;videocameras;aux.equipmentandaccessoriesintendedforusewithCCTVsystems;portableCCTVequipmentthatareintendedforusewithavehicular,marine,oranyotherbatterycircuitasthepowersupplymeans.
【中国标准分类号】:M70
【国际标准分类号】:33_160_99
【页数】:
【正文语种】:英语
【英文标准名称】:Measurementofthermalconductivityofthinfilmsonsiliconsubstrates
【原文标准名称】:硅基质上薄膜导热性的测量
【标准号】:ISO/TTA4-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Insulations;Materialstesting;Microelectronics;Samples;Silicon;Testing;Thermalconductivity;Thermaltesting;Thickness;Thinfilms;Thin-filmtechnology
【摘要】:1.1Astandardprocedureforthethree-omegamethodisproposedformeasuringthethermalconductivityofathin,electricallyinsulatingfilm,onasubstratehavingathermalconductivitysignificantlygreaterthanthethermalconductivityofthefilm.Thismethodisapplicabletoafilmonasiliconsubstratewiththefollowingcharacteristics:a)thefilmiselectricallyinsulating;b)thefilmhasathermalconductivitythatislessthanonetenththethermalconductivityofsilicon;c)thefilmisuniforminthicknessandthethicknessliesintherange0,25μmto1μm;d)themaximumdimensionsofthefilmarelimitedbythesizesofthepreparationandmeasurementapparatus;e)theminimumdimensionsofthefilmarelimitedbytheminimumsizeofthecircuitelementthatcanbeplacedonthefilmsurface.NOTEAspecimenapproximately15mmby25mmisofanappropriatesizealthoughspecimensassmallas10mm×10mmareusable.1.2Themethodisdirectlyapplicabletofilmsofsilicondioxideonsiliconwafersubstrates.1.3Themethodmaybeapplicabletoinsulatingfilmsonotherhigh-thermalconductivitysubstratesprovidedthattheparametersofthesubstratematerialaresubstitutedfortheparametersofsiliconusedinthismethodandtheassociatedcomputerprogram.1.4Themethodisapplicabletomeasurementsnearroomtemperature.
【中国标准分类号】:L40
【国际标准分类号】:17_200_99;19_100;31_080_01
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:Plastics-Determinationofhardness-Part1:Ballindentationmethod(ISO2039-1:2001);GermanversionENISO2039-1:2003
【原文标准名称】:塑料.硬度测定.第1部分:球压入法
【标准号】:ENISO2039-1-2003
【标准状态】:现行
【国别】:
【发布日期】:2003-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:球压试验;硬度测量;定义;塑料;硬度;耐压痕;试样;测定;HB;压痕试验;渗透性试验;球;试验;质量控制;硫化橡胶;硬橡胶;压痕硬性
【英文主题词】:Ballcompressiontest;Balls;Definition;Definitions;Determination;Ebonite;Hardness;Hardnessmeasurement;HB;Indentationhardness;Indentationtests;Penetrationtests;Plastics;Qualitycontrol;Resistancestoindentation;Testspecimens;Testing;Tests;Vulcanizedrubber
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:12P.;A4
【正文语种】:英语