Mobile Phone Essay

2922 WordsMar 5, 201312 Pages
A mobile phone (also known as a cellular phone, cell phone and a hand phone) is a device that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. By contrast, a cordless telephone is used only within the short range of a single, private base station. In addition to telephony, modern mobile phones also support a wide variety of other services such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming and photography. Mobile phones that offer these and more general computing capabilities are referred to as smartphones. The first hand-held mobile phone was demonstrated by John F. Mitchell[1][2][3]and Dr Martin Cooper of Motorola in 1973, using a handset weighing around 2.2 pounds (1 kg).[4] In 1983, the DynaTAC 8000x was the first to be commercially available. From 1990 to 2011, worldwide mobile phone subscriptions grew from 12.4 million to over 6 billion, penetrating about 87% of the global population and reaching the bottom of the economic pyramid.[5][6][7][8] In 2012, for the first time since 2009 mobile phone sales to end users is declining by 1.7 percent to 1.75 billion units which is dominated by Samsung for 385 million units (53.5 percent is smartphones) and Apple for 130 million units of all smartphones History Inventor Charles E. Alden claimed, in the 29 April 1906 issue of the New York World, to have invented a device called the “vest pocket telephone" although Alden never had the chance to produce this device in large quantities.[10][11][12] The first mobile telephone calls were made from cars in 1946. Bell System's Mobile Telephone Service was made on 17 June in St. Louis, Missouri, followed by

More about Mobile Phone Essay

Open Document