History of mobile phonesMobile phones have a long and Mobile phones have a long and

varied history. In 1908 a wireless varied history. In 1908 a wireless telephone was issued to Nathan telephone was issued to Nathan B.Stubblefield of Murray, B.Stubblefield of Murray, Kentucky, the USA. He applied his Kentucky, the USA. He applied his patent to “cave radio” telephones patent to “cave radio” telephones and not directly to cellular and not directly to cellular telephony as the term is currently telephony as the term is currently understood. understood.

Cells for mobile phone base stations Cells for mobile phone base stations were invented in 1947 by Bell Labs were invented in 1947 by Bell Labs engineers at AT&T and further engineers at AT&T and further developed by Bell Labs during the developed by Bell Labs during the 1960s.1960s.

Martin Cooper, a Motorola researcher and executive is Martin Cooper, a Motorola researcher and executive is considered to be the inventor of the first practical mobile considered to be the inventor of the first practical mobile phone for hand-held use in non-vehicle setting. phone for hand-held use in non-vehicle setting.

Cooper is the first inventor named on “Radio telephone Cooper is the first inventor named on “Radio telephone system” filed on October 17, 1973. system” filed on October 17, 1973.

Cooper made the first call on a hand-held mobile phone on Cooper made the first call on a hand-held mobile phone on April 3, 1973 to a rival, Dr. Joel S. Engel of Bell Labs.April 3, 1973 to a rival, Dr. Joel S. Engel of Bell Labs.

The Categories of mobile phones The Categories of mobile phones

There are several categories of mobile phones, from basic There are several categories of mobile phones, from basic phones to feature phones such as music phones and phones to feature phones such as music phones and camera phones. There are also smart phones, the first camera phones. There are also smart phones, the first smart phone was the Nokia 9000 Communicator in 1996 smart phone was the Nokia 9000 Communicator in 1996 which incorporated PDA functionality to the basic which incorporated PDA functionality to the basic mobile phone at the time. mobile phone at the time.

The mobile phone companies

Mobile phone featuresText messagesText messagesVoice callsVoice callsGPS navigationsGPS navigationsMusic (MP3)Music (MP3)Video (MP4)Video (MP4)RDS radio receiver RDS radio receiver Alarms Alarms Bluetooth Bluetooth Internet e-mailInternet e-mailTouch screens Touch screens

The first SIM cards