IEEE C 63.19-2001 无线通信设备和助听器之间兼容性测量的方法

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【英文标准名称】:Methodsofmeasurementofcompatibilitybetweenwirelesscommunicationsdevicesandhearingaids
【原文标准名称】:无线通信设备和助听器之间兼容性测量的方法
【标准号】:IEEEC63.19-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:校正;规范(验收);射频;电信;定义;测量;兼容性;无线;无线电设备;测量技术;无线电信号;无线电干扰;无线通信业务;助听器
【英文主题词】:Calibration;Compatibility;Definition;Definitions;Hearingaids;Measurement;Measuringtechniques;Radiodisturbances;Radioequipment;Radiosignals;Radiofrequencies;Specification(approval);Telecommunications;Wireless;Wirelesscommunicationservices
【摘要】:Thisstandardappliestobothwirelesscommunicationsdevices(WD)andhearingaids.Itsetsforthuniformmethodsofmeasurementandparametricrequirementsfortheelectromagneticandoperationalcompatibilityandaccessibilityofhearingaidsusedwithwirelesscommunicationsdevices,includingcordless,cellular,andPersonalCommunicationsService(PCS)phones,operatingintherangeof800MHzto3GHz.However,thisversionisfocusedonexistingservices,whichareincommonuse.Accordingly,inthisversiontestsareprovidedforservicesinthe800-950MHzand1.6-2.0GHzfrequencybands.Futureversionsmayaddtestsforthe2.4GHzorotherfrequencybands,astheycomeintomorecommonuse.Thisstandardisintendedtoapplytoalltypesofhearingaidswithacousticoutput,including(asexamples):behind-the-ear(BTE),in-the-ear(1TE),in-the-canal(ITC),andcompletely-in-the-canal(CIC)types.Testmethodsareprovidedforhearingaidsoperatinginacoustic(microphoneinput)modeorinT-coilinputmode.ThefieldlevelscalledforinvariousplacesshallbemaintainedwithinthelimitsforRFsafety,setforthinIEEEStdC95.1,1999Edition.
【中国标准分类号】:L06
【国际标准分类号】:11_180_15;33_070_01
【页数】:102P;A4
【正文语种】:英语


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基本信息
标准名称:钢格栅板
英文名称:Stell grating
中标分类: 冶金 >> 钢铁产品 >> 钢板、钢带
ICS分类: 冶金 >> 钢铁产品 >> 扁平钢和半成品
替代情况:替代YB 4001-91
发布日期:1990-10-25
实施日期:1998-12-01
首发日期:1900-01-01
作废日期:2007-07-01
归口单位:全国钢标准化技术委员会
起草单位:全国钢标准化技术委员会
出版社:中国标准出版社
出版日期:2004-04-19
页数:27页
书号:155066.2-12431
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所属分类: 冶金 钢铁产品 钢板 钢带 冶金 钢铁产品 扁平钢和半成品
【英文标准名称】:StandardTestMethodforRubber-DeteriorationbyHeatinginAir(TestTubeEnclosure)
【原文标准名称】:橡胶的空气中加热变质的标准试验方法(试管封闭法)
【标准号】:ASTMD865-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D11.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:变坏;合成橡胶;试验;炭黑;橡胶;天然橡胶
【英文主题词】:acceleratedaging;elevatedtemperature;heataging;oxidativeaging;rubberarticles;rubberproducts;thermalaging
【摘要】:Rubberandrubberproductsmustresistthedeteriorationofphysicalpropertieswithtimecausedbyoxidativeandthermalaging.Withthistestmethod,thesecharacteristicsmaybedeterminedinawaythatisfreeofsomeofthecomplicationsinherentincommunity-typeagingdevices,thatiswherenumerouscompounds(specimens)areagedinthesameenclosure.Theisolationofcompound(specimens)bytheuseofindividualcirculatingairtesttubeenclosurespreventsanycrosscontaminationfromvolatileproductsandpermitsamorerepresentativeassessmentofagingperformance.PleaserefertotheAnnexinTestMethodD573forimportantinformationonstandardcompoundsusedforprecisiontestingforacceleratedtestagingevaluation.1.1Thistestmethoddescribesaproceduretodeterminethedeteriorationinducedbyheatingrubberspecimensinindividualtesttubeenclosureswithcirculatingair.Thisisolationpreventscrosscontaminationofcompoundsduetolossofvolatilematerials(forexample,antioxidants)andtheirsubsequentmigrationintootherrubbercompounds(specimens).Theabsorptionofsuchvolatilematerialsmayinfluencethedegradationrateofrubbercompounds.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:4P.;A4
【正文语种】: