Yalnizca The World and Modern Science
  • First Cell Phones

    Filed under News
    Sep 2

    The first mobile phone weighs about 35 kg, which could only only on cars. Mobile phone was heavy and would not want to nor carry a heavy phone. However, in those years, it was in 1947, mobile phone used in automobiles, heavy weight of the device is without power. The first developer of such devices was firm at & T, which was engaged in the creation and development of portable devices for communication. In 1953, company, then operating under the name Motorola was employed engineer, scientist Martin Cooper. He and his team have developed a phone that does not already weighed 34 kilograms and 11 kilograms, all the same little battery has not been made. Soon, in 1973 managed to create a portable phone, weighing not much more than 1 kg, which has no screen, and if I had the display, the phone would be very difficult.

    Portable phone has 12 keys, 10 tsifernye keys for dialing phone, and the 2 button to reset and call. This is the first in the history of the portable phone, which was used for communication. Now, Motorola is a leading manufacturer of mobile phones. As well as a brand that does not left indifferent to our souls, releasing more and more new phones. For example already released a completely new and unique mobile phone Motorola RAZR2 V8 2Gb Expresso. This can not please fans of mobile phones Motorola.

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