手机发展史英文版.ppt

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1、TheDevelopmentOfMobilePhoneUnconsciously,mobilephonehascomeintoourlifefornearly30years.Aspeople'slivingstandardimproved,mobilephonehasevolvedfromaluxurytoanowverypopularconsumerelectronicproduct.Recallingtheprocessofmobilephonedevelopment,intermsofshapeorfuncti

2、onhasenormouschange.Mobilephone’sdevelopmenthasalsochangedagainandagain.Todayithasavarietyoffunctionsandshapes.Mobilenowismorethanacommunicationtool.Itisanecessityinourmodernlife.October13,1983,Ameritechcompany’sexecutivesBobBarnettusedthefirstcommercialmobilep

3、honetomakeacall.It’smodelisDynaTAC8000X.ItwasmanufacturedbyMotorola.Itweighs2poundsanditjustcanworkhalfanhour.Butthepriceofitupto$3,500.Thisistheprototypeofwhatweoftencall"BigBrother"Theworld'sfirstmobilephone—DynaTAC8000XThefirstphoneinChinesemobilephonemarket

4、ThefirstmobilephoneenteredtheChinesemarketin1987.ThemodelofitisMotorola3200.It’sstyleanddesignarenearlythesameasDynaTAC8000X.Itwasverypopularas"BigBrother”atthattime.Motorola3200ThefirstfliptypemobilephoneMotorola8900Motorola8900commonlyknownasthe“brick”.Itente

5、redChinainthe1980s.Asthebeltcover,youwouldnotaccidentallytouchedabuttonandsetoffsignal.ThenMotorolalaunchedtheMotorola9900whichissmallerandlighterthan8900.Itusedtobeverypopularwithwomenwhite-collar.Butituseofnickel-cadmiumbatteriesthesameas8900whichpoweristoosm

6、all.Ithasbeenleadingthefashionuntil1995.Thehighestpriceofithadreached20000.ThefirstfoldingmobilephoneTheword“palmpilot”hasanunshakablepositionintheheartofmanyfirstgenerationmobilephoneusersinChina.Itcompletelychangedthepeople’straditionalimageofmobilephones.And

7、it’sappearhavelaidtheMotorola’sdominancepositioninthefieldoffoldingmobilephone.Motorola328cThefirstbuilt-inantennamobilephoneThefirstbuilt-inantennamonoblockmobilephoneisHanNogaCH9711.ChinaconsumersreallycomeintocontactwiththefirstinternalantennamodelisNokia321

8、0fold.Nokia3210Thefirstdual-bandmobilephoneThemeasurementofNokia6150is129×47×28mmanditweights142g.ItisapplicabletoGSM900MHz/1800MHznetwork.Andithasblueandredtwooptionalcolor