[google5c69d2d86a1bf98c.html] Autos, Test Drive, Noticias y mucho más.: Martin Cooper - The man who invented the Mobile


viernes, mayo 16, 2008

Martin Cooper - The man who invented the Mobile

Mobile Phone History:
1876 - Alexander Graham Bell makes first telephone call.

1906 - Guglielmo Marconi makes first voice transmission using radio waves.

1912 - First commercial telephone calls made in UK.

1921 - First car-mobile radio used by Detroit police department.

1925 - Wireless telegraphy used on ships, aircraft and in police cars.

1946 - Radiotelephones introduced in USA.

1947 - Bell Labs developed cellular technology basis for modern mobile phone networks.

1956 - First car phone released in Stockholm. The size of a suitcase and weighing 40kg, it ran off a car battery.

1979 - First cellular phone system deployed in Japan.

1983 - UK gets analogue TACS system.

1985 - Phones with 20kg batteries introduced.

1991 - European Community unifies digital networks with GSM1994 - SMS text messaging launched.

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