User:Aminova Gulsim/Mobile Phone (Cell Phone)

Mobile Phone -device for communication via radio networks.

History
On June 2, 1875,Graham Bell, professor at the Boston University school of Arts, heard his assistant's voice for the first time with the help of connecting wires. This novelty Scottish inventor remained in the history page with the name of the phone. Interestingly, the name of the inventor translated from English means "bell".

About a century later, the first mobile phones appeared. The invention of Martin Hooper, who graduated of the Illinois Technology Institute, is now being used by almost half the world's people today.

The first real history of cell phone communication dates begin in April 3, 1973. The first call of the employee of the cellular company Martin Cooper, the head of the research Department Bell Labs, who took a walk through the streets of new York, is considered to be the establishment of communication with a mobile phone. Cooper himself was the main compiler of the transmission protocol from the transmitter. And the weight of the phone that he used was 1.15 kilograms.

At the same time, New York became the only point in the world where cellular base stations are installed in the world, and in four years 2000 subscriber experimental mobile networks were created in Chicago. And in 1979, the country dates back to the inventive novelty with great interest and began its activity of the first cellular communication, consisting of 88 base stations.

Nowadays, the scope of mobile phones in the world has gone beyond its limitations. Telephones are used in all areas of life.

The mobile phone has become an indispensable helper for today.

Sweden is an officially recognized state to have an Allergy to mobile phone. If you have these diseases and illnesses, you have the right to demand compensation from the Swedish authorities.

General the Level of radiation in a connected mobile phone adversely affects hearing, vision, some parts of the brain.

10. Sweden is an officially recognized state to have an Allergy to mobile phone. If you have these diseases and illnesses, you have the right to demand compensation from the Swedish authorities.