Keyword Analysis & Research: telephone
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Telephone - Wikipedia
https://en.wikipedia.org/wiki/Telephone
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.
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Telephone | History, Definition, Invention, Uses, & Facts
https://www.britannica.com/technology/telephone
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.
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History of the telephone - Wikipedia
https://en.wikipedia.org/wiki/History_of_the_telephone
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 a …
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The Invention and Evolution of the Telephone - ThoughtCo
https://www.thoughtco.com/history-of-the-telephone-alexander-graham-bell-1991380
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 …
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History of the telephone in the United States - Wikipedia
https://en.wikipedia.org/wiki/History_of_the_telephone_in_the_United_States
WEBThe telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward.
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Telephone - Invention, Alexander Graham Bell, Communication
https://www.britannica.com/technology/telephone/Development-of-the-telephone-instrument
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.
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Alexander Graham Bell: Telephone & Inventions - HISTORY
https://www.history.com/topics/inventions/alexander-graham-bell
WEBNov 9, 2009 · Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep-rooted and personal, as both his wife...
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telephone summary | Britannica
https://www.britannica.com/summary/telephone
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.
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How Telephones Work | HowStuffWorks
https://www.howstuffworks.com/telephone.htm
WEBJul 18, 2023 · How Telephones Work. By: Marshall Brain & Yara Simón | Updated: Jul 18, 2023. Before smartphones — in fact, before cell phones existed at all — there were rotary telephones. George Marks / Getty Images.
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How do telephones work? - Explain that Stuff
https://www.explainthatstuff.com/telephone.html
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.
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