History of Mobile Phones

The term “Mobile Phone” is not a new to us and is one of those things which we don’t forget to carry wherever we go. Although it is considered as a product of 21st century it is not so. We can trace it’s origin to the early days when Alexander Graham Bell invented a machine which could carry messages from one end to the other by manually switching of networks.

However the form which we find today of mobile phones is not what it was some years back and its journey is also quite fascinating. In the year 1908 Nathan Stubblefield of US applied for a patent for something called as “cave radio” which was a wireless system. In Europe this system was used for the first time in 1926 in a first class passenger train and during the same time it was introduced in passenger airplanes for air traffic safety. This wireless system was then widely used during World War II by the German Tanks. But during all this while trained personnel only got to use this mechanism.

In year 1947 the engineers of Bell Lab proposed the first hexagonal cells for mobile phones in vehicles. But the actual credit of handheld mobile phones in non-vehicle set up should be given to Dr. Martin Cooper of Motorola who invented such system in the 1947.

The First generation of mobile phones was different from its previous systems as it could be used in various cell sites, so people could carry on with conversations as they travelled through various sites. The first computerized cellular network was launched by NTT in Japan in1979; this network could then cover the whole population of Tokyo. The next launch of first generation (1G) phones by NMT was done in Denmark, Norway, Sweden and Finland in 1981. NMT was also the first company to have introduced the international roaming facility.

The Second generation of mobile phones was advanced compared to its earlier counterparts and unlike early transmissions made use of digital transmissions.

Considering the usage and growing demand of mobile phones the Third generation of mobiles was launched. And now in the Fourth generation mobiles we also find internet accessibility to name a few.

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June 1st, 2010 in General