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The history of mobile devices.

When we say mobile the first thing that comes into mind is, the ability to move freely and easily. Mobile is somehow a broad topic,but in this case we are going to discuss about mobile phones, handsets and telephones and also the people who invented them.

Somebody may ask him or herself, what is mobile phone? And the common answer to this question is that, mobile phone is a device with cellular radio system that can be used over a wide area, without a physical connection of a network.

The first cellular mobile phone was invented and demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing 2kg ( 4.4 In ).

The first commercial automated cellular network ( 1G ) analog was launched in Japan by Nippon telegraph and telephone in the year 1979.

Telephone: A system of transmitting voices over a distance by using wire or radio,by converting acoustic vibrations to electricals signals. The discovery of telephone was done by Alexander Graham Bell, he was a Scottish-born inventor, scientist and engineer.

Handset: A handset is a component of a telephone that a user hold to the ear and mouth to receive audio.

Handset was invented by Cyrille Duquet, Robert G. Brown.

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John F. Mobile

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