手机的发展史(英文版)精品PPT课件

The first flip type mobile phone
Motorola 8900
• Motorola 8900 commonly known as the " brick", 80 time end begins to enter the Chinese market of mobile communication of the first generation of new mobile phone, can also be used for selfdefense. Though ugly in one's appearance, but it is the first lid type mobile phone. As the belt cover, in your pocket will not accidentally touched a key the starting signal Motorola Company and later, in the early 90's introduced a successor to the 8900 products in 9900, because of its small size, lightweight and durable, was the female whitecollar 's pet. But it and type 8900, the nickel cadmium battery, power is too small. Before 1995, has been leading the mobile phone fashion, the highest price ever amounted to 20000 yuan.
The world's first mobile phone
—DynaTAC 8000X
• October 13, 1983, Ameritech company executives Bob Barnett stopped his car at the Chicago Soldier Field outside the stadium, called the United States the first ever commercial mobile phone, its model DynaTAC 8000X is composed of Motorola production, weighs 2 pounds, talk time of half an hour, the sales price of $3995。
Nokia 3210
Nokia 8210
The first " 3-proof " mobile phone
• With the development of mobile phone fashion, "3proof mobile phone " this concept also appears in the field of mobile phone, waterproof, dustproof, shockproof function makes this type of mobile phone by the majority of outdoor sports enthusiasts. 1999 Ericsson launched R250 PRO appearance let you first feel " be fearless " shock. After Ericsson also launched the second generation of 3-proof mobile phone R310, also is the people commonly known as "the shark ", until now it is still in the secondary market to see inaccessibly " treasures ".
The Development Of Moຫໍສະໝຸດ Baiduile Phone
• Imperceptibly, mobile phone into our life has been more than 30 years. As people's living standards improve, mobile phone has gradually from the luxury, development up to now, has become very popular consumer electronic products. Review of mobile phone development process, whether from the appearance or function have turn the world upside down changes. Mobile phone development is also passed through a time change, before the formation of the now variety of shapes, a variety of functions, rather than a single communication tools.
The first antenna monoblock mobile phone
• The first antenna monoblock mobile phone is the Nokia 3210. In 1999, it appears that Nokia straight machine it is the domestic firm footing, but also for the 2000 Nokia 8210 huge success laid a solid foundation for the market.