【英文标准名称】:Informationtechnology-Genericdigitalaudio-visualsystems-Part4:Lower-layerprotocolsandphysicalinterfaces
【原文标准名称】:信息技术通用数字音频-可视系统第4部分:低层协议和物理接口
【标准号】:ISO/IEC16500-4-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acousticsignals;Coding(dataconversion);Controlprocedures;Dataconversion;Dataprocessing;Datarepresentation;Definition;Definitions;Digital;Encoding;Generic;Imageprocessing;Informationtechnology;Interfaces(dataprocessing);Layers;Lowerlayers;Multimedia;Perception;Physicallayers;Records;Representations;Soundrecording;Technology;Video;Videorecording;Videosignals
【摘要】:ThispartofISO/IEC16500providesatoolboxconsistingoflowerlayerprotocolsandphysicalinterfaces.Eachtoolisapplicableatoneormoreofthereferencepointswithinthedeliverysystem.ThephysicaldeliverymediathathavebeenidentifiedforthisversionofISO/IEC16500-4arecopperpairs,coaxialcable,microwave,fiberandsatellite.Removableinformationcarryingphysicalmedia(e.g.opticaldiscsandtapes)arenotcovered.Thetoolslistedaddressthethreepartsofthedeliverysystem,namely,thecorenetwork,theaccessnetworkandtheaccess-network-independentinterfacetotheSetTopUnit(STU).ToolsarealsoidentifiedfortheSTUdataportinterfaceandforaserviceprovidersystem(SPS)internalnetworkandanSPS/SPScorenetwork.Clause6specifiesindetailthetoolsprovidedtodigitizethephysicalmediainthecorenetwork.Inthecaseofabroadbandcorenetwork,allthesetoolssupporthighspeedATMtransport.Clause7specifiesindetailthetoolsprovidedtodigitizethephysicalmediaintheaccessnetwork(copperpairs,coax,satellite,microwave,fiber).AllthesetoolssupporthighspeedMPEG-2-TStransportand/orhighspeedATMtransport.Clause8concernstheaccess-network-independentinterfacetotheSTUandprovidesadetailedspecificationofthephysicalinterfacesbetweenthenetworkinterfaceunit(NIU)andtheSTU.ThisphysicalinterfacecanbeinternalorexternaltotheSetTopBox(STB)andisindependentfromthephysicalinterfaceusedintheaccessnetwork.ItsupportsthetransportofMPEG-2-TSandATMbetweenNIUandSTU.Clause9concernstheSTUdataportinterfaceandspecifiesthephysicalinterfacesusedtoconnectanSTBtovariousperipheraldevices.ItdefinesnormativeSTUmultimediadataporttoolsandinterfacesandalsoincludesinformativespecificationsforbothPCandparalleldataports.TheseinterfacessupportthetransportofMPEG-2-TSorIP.Clause10definesthephysicalinterfacesforinterconnectionsbetweencascadedSPSentitieswithorwithoutaninterveningcorenetworkandthephysicalinterfacesfornetworksusedtoconnectvarioushostswithinanSPS.
【中国标准分类号】:L81
【国际标准分类号】:33_160_60;35_040
【页数】:243P.;A4
【正文语种】:英语


【英文标准名称】:Implantsforsurgery-Wearoftotalhip-jointprostheses-Part1:loadinganddisplacementparametersforwear-testingmachinesandcorrespondingenvironmentalconditionsfortest.
【原文标准名称】:外科植入物.全髋关节假体的磨损.第1部分:试验用磨损试验机和相应环境条件的负荷和位移参数
【标准号】:NFS94-173-1-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-03-01
【实施或试行日期】:2012-03-08
【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】:
【英文主题词】:Abrasiontests;Ceramics;Definitions;Hipjointprostheses;Hips;Joints(anatomy);Joints(articulations);Materials;Medicalsciences;Metals;Methodsformeasuring;Orthopaedicequipment;Orthopaedicimplants;Plastics;Prosthesis;Prostheticdevices;Specification;Surgery;Surgicalimplants;Testconditions;Testing;Testingconditions;Wear
【摘要】:
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:13P;A4
【正文语种】:其他