Telephone - Wikipedia
WEBA telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly.
Telephone | History, Definition, Invention, Uses, & Facts
WEBTelephone, 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.
History of the telephone - Wikipedia
WEBPhilipp 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 …
History of the telephone in the United States - Wikipedia
WEBThe telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward.
Alexander Graham Bell: Telephone & Inventions | HISTORY
WEBNov 9, 2009 · Updated: April 25, 2024 | Original: November 9, 2009. copy page link. Print Page. Bettmann / Getty Images. Alexander Graham Bell, best known for his invention of the telephone, revolutionized...
Telephone - Invention, Alexander Graham Bell, Communication
WEBAlexander Graham Bell, inventor who patented the telephone in 1876, lecturing at Salem, Massachusetts (top), while friends in his study at Boston listen to his lecture via telephone, February 12, 1877.
telephone summary | Britannica
WEBtelephone, Instrument designed for simultaneous transmission and reception of the human voice. It works by converting the sound waves of the human voice to pulses of electric current, transmitting the current, and then retranslating the current back to sound.
The Invention and Evolution of the Telephone - ThoughtCo
WEBMay 21, 2021 · How the Telephone Was Invented. Industry. Bettmann / Contributor / Getty Images. By. Mary Bellis. Updated on May 21, 2021. In the 1870s, Elisha Gray and Alexander Graham Bell independently designed devices that …
How do telephones work? - Explain that Stuff
WEBJul 29, 2023 · It's a very basic electrical circuit: a loop of cable linking together a lamp, a switch, and a battery. Normally, when the light is off, the switch is set so it breaks the circuit. The switch is a kind of "drawbridge" that stops current flowing.
The Story Behind the Telephone | The Franklin Institute
WEB06, 30, 2022. Kara Wexler. 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. Most people know Alexander Graham Bell as the inventor of the telephone, but there is so much more to that story.
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