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1、 The history of cell phoneThe history of cell phoneIn 1902, an American named Nathan Stabfield built the first wireless telephone device in a rural home in Murray, Kentucky. This wireless mobile phone was the earliest human exploration of mobile phone technology.In 1938, Bell Laboratories made the w
2、orlds first mobile phone for the U.S. military. In April 1973, Martin Cooper, a famous American Motorola engineer, invented the worlds first mobile phone for civilian use. The first true sense of the birth of mobile phones! April 3, 1973.第1页/共9页第一页，共10页。The presence of cell phoneThe presence of cell
3、 phone（appearanceappearance）Clamshell(翻盖式） If the main screen If the main screen or button is or button is visible only when visible only when the lid is turned the lid is turned over, and there is over, and there is only one screen, only one screen, the phone is the phone is called a single-called
4、a single-screen flip phone.screen flip phone.Candy bar （直板式(bnsh)） A direct cell phone means that the screen and keys are in the same plane, and the cell phone is not clamshell. Thats what we call direct phone. The characteristic of vertical mobile phone is that it can directly see the content displ
5、ayed on the screenSlippery cover（滑盖式） Mobile phone is mainly Mobile phone is mainly refers to the mobile refers to the mobile phone to pull through to phone to pull through to see all the fuselage. see all the fuselage. Some models see keys Some models see keys by sliding down the cover, by sliding
6、down the cover, while others see while others see keyboards by pulling up keyboards by pulling up the screen. To some the screen. To some extent, the sliding phone extent, the sliding phone is an extension and is an extension and innovation of flip phone. innovation of flip phone. Wristwatch （腕表(wn
7、bio)式） Watch-style mobile phones, mostly simple small features in the early days, but to the smartphone stage, watch-style mobile phones have more complete functions.Rotary type （旋转式） Similar to sliding Similar to sliding cover, the most cover, the most important thing is important thing is to see t
8、he to see the keyboard after 180 keyboard after 180 degree rotation.degree rotation.I think you need choose whats right appearance I think you need choose whats right appearance for youfor you第2页/共9页第二页，共10页。The presence of cell phoneThe presence of cell phone（priceprice）The price of cell is also im
9、portant for you.Because you need The price of cell is also important for you.Because you need The price of cell is also important for you.Because you need The price of cell is also important for you.Because you need know how much of phone is right for you.I think the cell need know how much of phone
10、 is right for you.I think the cell need know how much of phone is right for you.I think the cell need know how much of phone is right for you.I think the cell need not expensive and not cheep.We are students so we neednt not expensive and not cheep.We are students so we neednt not expensive and not
11、cheep.We are students so we neednt not expensive and not cheep.We are students so we neednt expensive phone.But if the phone is so cheep.it will affect us expensive phone.But if the phone is so cheep.it will affect us expensive phone.But if the phone is so cheep.it will affect us expensive phone.But
12、 if the phone is so cheep.it will affect us to use that.I think the cell phone price need 4000-7000 yuan.to use that.I think the cell phone price need 4000-7000 yuan.to use that.I think the cell phone price need 4000-7000 yuan.to use that.I think the cell phone price need 4000-7000 yuan.第3页/共9页第三页，共
13、10页。The presence of cell phoneThe presence of cell phone（popular popular branksbranks）The phone have different popalar branks.The famous have IPHONE,Huawei,VIVO,OPPO and others.So when you buy phone you need think about this.What popular branks you want.Because they have different system.IOS and And
14、roid.Different people like different system.So choose you want is important. 第4页/共9页第四页，共10页。The presence of cell phoneThe presence of cell phone（functionfunction）I think the most important question is the I think the most important question is the I think the most important question is the I think
15、the most important question is the function.Why we need buy a phone.Because we function.Why we need buy a phone.Because we function.Why we need buy a phone.Because we function.Why we need buy a phone.Because we need use that.More function mains we can use need use that.More function mains we can use
16、 need use that.More function mains we can use need use that.More function mains we can use phone do more things.The first phone only can phone do more things.The first phone only can phone do more things.The first phone only can phone do more things.The first phone only can call up.But now our phone
17、 can do lots of call up.But now our phone can do lots of call up.But now our phone can do lots of call up.But now our phone can do lots of things.Such as surf the Internet or play things.Such as surf the Internet or play things.Such as surf the Internet or play things.Such as surf the Internet or pl
18、ay games,many people also like take photos.So when games,many people also like take photos.So when games,many people also like take photos.So when games,many people also like take photos.So when you buy a phone you need choose powerful one.you buy a phone you need choose powerful one.you buy a phone
19、 you need choose powerful one.you buy a phone you need choose powerful one.第5页/共9页第五页，共10页。The presence of cell phoneThe presence of cell phone（problems and problems and solutionssolutions）第6页/共9页第六页，共10页。The future of cell phoneThe future of cell phoneMaybe in the future ther wont have phone.Because phone gradually become chip.People can implantation it in body.It can act on us nerve.When we have a thought.It can help us do that.第7页/共9页第七页，共10页。THANK Y O U第8页/共9页第八页，共10页。感谢您的观赏(gunshng)！第9页/共9页第九页，共10页。内容(nirng)总结The history of cell phone第十页，共10页。
