温馨提示：本站仅提供公开网络链接索引服务，不存储、不篡改任何第三方内容，所有内容版权归原作者所有
AI智能索引来源：http://www.eb.com/technology/modem
点击访问原文链接

Modem | Definition, Development, & Facts | Britannica

进入原网站 导航首页
SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideosmodemIntroductionOperating parametersDevelopment of voiceband modemsThe first generationThe second generationThe third generationCable modemsDSL modemsReferences & Edit HistoryRelated TopicsImagesmodem summaryComputers and Technology QuizComputers and Operating SystemsWhat is Bluetooth?Who developed Bluetooth?What was revolutionary about the iPhone’s interface?When was the iPhone 17 released?What is a computer?TechnologyComputersFacebookXhttps://www.britannica.com/technology/modemOpen Educational Resources Collective - Digital Evidence Manual - Routers and modemsIBM - ModemsLifewire - What is a Modem in Computer Networking?The History of Computing Podcast - The History Of The Computer ModemDavid E. Borth Corporate Vice President and Director, Communications Research Laboratories, Motorola Inc., Schaumburg, Illinois. Coauthor of Introduction to Spread Spectrum Communications.Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....Historydigitalsignalsanalogdatatelecommunications mediacommunicatione-mailpersonal computersfaxWorld Wide WebserverbandwidthCable modemstelevisiontelephonepersonal computerprotocolsInternational Telecommunication UnionDatabitsDevelopment of voiceband modemscarrier wavetransmittedBritannica Quiz Computers and Operating SystemsfaxBell SysteminherentUnited StatesAT&Tfrequency-shift keyingphase-shift keyingbinaryperipheral devicecable modemoperating standardvoiceband modemOpen Educational Resources Collective - Digital Evidence Manual - Routers and modemsSee all related contentSUBSCRIBE Between 1965 and 1980, significant efforts were put into developing modems capable of even higher transmission rates. These efforts focused on overcoming the various telephone line impairments that directly limited data transmission. In 1965 Robert Lucky at Bell Laboratoriesnominalquadrature amplitude modulationelectromagnetic wavehertztechnologytransmit

智能索引记录