- Telephone | History, Definition, Invention, Uses, Facts | Britannica
What is a telephone? A telephone is an instrument designed for the simultaneous transmission and reception of the human voice Telephones are inexpensive and simple to operate, and they offer an immediate, personal type of communication Billions of telephones are in use around the world
- How Telephones Work | HowStuffWorks
Telephones are one of the most important and useful modern inventions Learn about telephone operation, creating a telephone network and tones and bandwidth
- How do telephones work? - Explain that Stuff
An easy-to-understand introduction to how telephones and telephone exchanges work, with photos showing what's inside a typical phone
- Telephone - Invention, Alexander Graham Bell, Communication | Britannica
Telephone - Invention, Alexander Graham Bell, Communication: Beginning in the early 19th century, several inventors made a number of attempts to transmit sound by electric means
- Telephone - Invention, Technology, History | Britannica
Telephone - Invention, Technology, History: The telephone instrument continued to evolve over time, as can be illustrated by the succession of American instruments described below
- The History of the Telephone and How It Was Invented - ThoughtCo
The history of the telephone started in 1876 with Alexander Graham Bell’s invention, which made it possible to transmit speech over wires
- Telephone - New World Encyclopedia
The telephone (or phone) (from Greek: tele = far away; phone = voice) is a telecommunications device that is used to transmit and receive sounds (most commonly voice and speech) across distances
- Telephones - Engineering and Technology History Wiki - ETHW
The telephone is the equipment that a person uses to access the telephone network and talk to another user Along with telephone transmission and switching, the telephone is one of three major subsystems that make up a telephone network
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