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1、TheDevelopmentOfMobilePhoneImperceptibly,mobilephoneintoourlifehasbeenmorethan30years.Aspeople'slivingstandardsimprove,mobilephonehasgraduallyfromtheluxury,developmentuptonow,hasbecomeverypopularconsumerelectronicproducts.Reviewofmobilephonedevelopmentprocess,
2、whetherfromtheappearanceorfunctionhaveturntheworldupsidedownchanges.Mobilephonedevelopmentisalsopassedthroughatimechange,beforetheformationofthenowvarietyofshapes,avarietyoffunctions,ratherthanasinglecommunicationtools.October13,1983,Ameritechcompanyexecutives
3、BobBarnettstoppedhiscarattheChicagoSoldierFieldoutsidethestadium,calledtheUnitedStatesthefirstevercommercialmobilephone,itsmodelDynaTAC8000XiscomposedofMotorolaproduction,weighs2pounds,talktimeofhalfanhour,thesalespriceof$3995。Theworld'sfirstmobilephone—DynaTA
4、C8000XThefirstfliptypemobilephoneMotorola8900Motorola8900commonlyknownasthe"brick",80timeendbeginstoentertheChinesemarketofmobilecommunicationofthefirstgenerationofnewmobilephone,canalsobeusedforself-defense.Thoughuglyinone'sappearance,butitisthefirstlidtypemo
5、bilephone.Asthebeltcover,inyourpocketwillnotaccidentallytouchedakeythestartingsignalMotorolaCompanyandlater,intheearly90'sintroducedasuccessortothe8900productsin9900,becauseofitssmallsize,lightweightanddurable,wasthefemalewhite-collar'spet.Butitandtype8900,the
6、nickelcadmiumbattery,poweristoosmall.Before1995,hasbeenleadingthemobilephonefashion,thehighestpriceeveramountedto20000yuan.ThefirstantennamonoblockmobilephoneNokia3210ThefirstantennamonoblockmobilephoneistheNokia3210.In1999,itappearsthatNokiastraightmachineiti
7、sthedomesticfirmfooting,butalsoforthe2000Nokia8210hugesuccesslaidasolidfoundationforthemarket.Nokia8210Thefirst"3-proof"mobilephoneWiththedevelopmentofmobilephonefashion,"3-proofmobilephone"thisconceptalsoappearsinthefieldofmobilephone,waterproof,dustproof,sho
8、ckprooffunctionmakesthistypeofmobilephonebythemajorityofoutdoorsportsenthusiasts.1999EricssonlaunchedR250PROappearanceletyoufirstfeel"befearless"shock.AfterEricssonalsolaunchedthes
