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Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use. This article describes the modern telephone’s components and traces its historical development.
Nov 9, 2009 · Alexander Graham Bell is known for his many inventions, especially the telephone and a metal detector. He later created the Bell Telephone Company, now AT&T.
An actor portraying Alexander Graham Bell speaking into an early model telephone. The invention of the telephone was the culmination of work done by more than one individual, and led to an array of lawsuits relating to the patent claims of several individuals and numerous companies.
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.
Jun 30, 2022 · Most people know Alexander Graham Bell as the inventor of the telephone, but there is so much more to that story. In our new video series, Ingenious, Susannah Carroll and Trace Dominguez look at the history of many inventions that have changed our world – including the telephone.
Telephony now includes the technologies of Internet services and mobile communication, including video conferencing. The new technologies based on Internet Protocol (IP) concepts are often referred to separately as voice over IP (VoIP) telephony, also commonly referred to as IP telephony or Internet telephony.
