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[1] The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
Telephones portal. The iPhone is a line of smartphones produced by Apple that use Apple's own iOS mobile operating system. The first-generation iPhone was announced by then–Apple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates.
Philipp Reis, 1861, constructed the first telephone, today called the Reis telephone. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois.
A smartphone is a mobile phone that can also be used as a computer. [1] . They work as a computer but are mobile devices small enough to fit in a user's hand. They use a System on a chip or Minimal instruction set computer so they can be small. Uses include: Sending and receiving emails, text, photographs and multimedia messages.
A mobile phone (also known as a hand phone, cell phone, or cellular telephone) is a small portable radio telephone. This cell phone can be used to communicate over long distances without wires. It works by communicating with a nearby base station (also called a "mobile tower") which connects it to the main phone network.
A telephone, also known as a phone, is a communication tool. People use it to talk with people far away. Originally, it was an electric tool sending analogue speech through wires. Many telephones in the 21st century are electronic tools sending digital signals on wires or radio transmission.
This timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone . Charles Bourseul. Johann Philipp Reis. Elisha Gray.
