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Nov 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...
Feb 16, 2022 · Here is a brief history of the telephone, beginning from the earliest forms of audio transmission to the invention of the first cell phone: Table of Contents. The History of Phones: The Earliest Audio Communication Devices.
Bell patented his telephone on February 14, 1876 — a mere two hours before a rival, Elisha Gray, submitted an almost identical application, and just in time to present a working version at the ...
In 1876, Alexander Graham Bell was the first to be granted a United States patent for a device that produced clearly intelligible replication of the human voice at a second device. [2] . This instrument was further developed by many others, and became rapidly indispensable in business, government, and in households .
Innocenzo Manzetti considered the idea of a telephone as early as 1844, and may have made one in 1864, as an enhancement to an automaton built by him in 1849. Charles Bourseul was a French telegraph engineer who proposed (but did not build) the first design of a "make-and-break" telephone in 1854.
Alexander 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.
Apr 19, 2024 · Alexander Graham Bell (born March 3, 1847, Edinburgh, Scotland—died August 2, 1922, Beinn Bhreagh, Cape Breton Island, Nova Scotia, Canada) was a Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and the refinement of the phonograph (1886).
