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An early communicating device was invented around 1854 by Antonio Meucci, who called it a telettrofono (lit. "electrophone"). In 1871 Meucci filed a patent caveat at the US Patent Office.
Nov 9, 2009 · Learn about the life and achievements of Alexander Graham Bell, the inventor of the telephone and other devices. Find out how he revolutionized communication, faced legal challenges and helped the deaf community.
History of the telephone. Actor portraying Alexander Graham Bell in a 1932 silent film. Shows Bell's second telephone transmitter ( microphone ), invented 1876 and first displayed at the Centennial Exposition, Philadelphia.
Bell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light.
May 8, 2024 · Learn about the invention of the telephone by Alexander Graham Bell and other key figures, and the functional components of the modern telephone instrument. Explore the history of the public switched telephone network and related technologies.
May 8, 2024 · 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.
May 28, 2024 · Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886).
