The Evolutionary Process Of Mobile Phone
From heavy FM radio telephone to the iPhone with the latest collection of touch screen and MP3 camera
, and how to evolute is the wireless communications device? Please run over the following evolutionary process of mobile phone:
1. In 1940, the engineers of Galvin Corporation (later became the MOTOROLA) have developed SCR536 type portable and Wireless walkie-talkie with FM radio, and is widely used in the second world war.
2. In 1943, Galvin Corporation designed and manufactured the portable FM two-way radio again which was the first one in the world, (the wireless communication device "walkie-talkie of the backpack SCR300 type), for the special use of the United States army transport. This communication device weighed close to 35 pounds, effective distance calls for 16 to 30 kilometers.
3. in 1956, the type of mobile phone was borned in Sweden's automatic mobile phone, which used MTA communication system (mobile phone system); It weighed 88 pounds, was the first dial-up type mobile phones which dont need manual control.
In 1969, the mobile communication technology has been applied in cruise car and taxis for the first time, it is actually our todays interphone.
4. In 1973, MOTOROLA developed prototype mobile phone based on cellular mobile communication system, its biggest technological progress is portable and have the low consumption.
5. In 1982, MOTOROLA developed and made the world's first portable mobile phone-DynaTAC8000X (at that time it also called palm phone interiorly), its weight was about two pounds, and the single price was more than RMB 30000 ($3995). It is the optimization version of mobile phone in 1973 , it change the worse charateristics of the previous communication mobile which is not easy to carry for its heavy properties, it was as a revolutionary leap at that time. As for the technical performance, just at that moment his battery can support the phone calls for one hour, and still can store 30 phone numbers, that is nothing to make a fuss in nowadays, but at that time it is already a quite amazing technology progress.
6. In 1996, MOTOROLA producted flip phone, which was much loved by the user because it was so small and light with the new style.
7. In 2001, the first clamshell smart phones with type double input method was borned, it had QWERTY keyboard input, also can be replaced by handwritten input.This is the first time for built-in camera in the mobile phone.
8. iPhone (view our iPhone 5 accessories) was officially launched on June 29, 2007, which have attracted a large amount of fans to be crazy for this machine.
The above innovation process is just for the mobile phone. We could learn more information about our phone by it. NewFrog.com as an old reliable Chinese phone wholesaler luckily witness half of the mobile phone evolutionary development. From traditional board mobile phone till current iphone like smart phones we keep ourselves developing with time and technology development. It's not easy but we find it's worth because all our customers smile after our efforts.
by: Frog_sister
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