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Telephone - Wikipedia A telephone, commonly shortened to phone, is a telecommunications device that enables 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 | Britannica 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
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
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History of the telephone - Wikipedia The telephone emerged from the making and successive improvements of the electrical telegraph In 1804, Spanish polymath and scientist Francisco Salva Campillo constructed an electrochemical telegraph [7] The first working telegraph was built by the English inventor Francis Ronalds in 1816 and used static electricity [8] An electromagnetic telegraph was created by Baron Schilling in 1832
The history of telephones explained - TechTarget The invention of the telephone wasn't a single Eureka moment, but rather the culmination of works by various inventors -- from Meucci's early sketches and Reis' precursor that transmitted simple tones to Bell's eventual patent
telephone summary | Britannica Alexander Graham Bell was an inventor, scientist, and teacher of the deaf whose foremost accomplishments, during a life lived in Canada and the United States, were the invention of the telephone (patented in 1876) and the refinement of the phonograph (patented in 1886)