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  1. 21 de may. de 2021 · Alexander Graham Bell was born on March 3, 1847, in Edinburgh, Scotland. He was immersed in the study of sound from the beginning. ... Bell patented his device on March 7, 1876, and it quickly began to spread. By 1877, construction of the first regular telephone line from Boston to Somerville, ...

  2. Alexander Graham Bell, nacido el 3 de marzo de 1847 en Edimburgo, Escocia, fue un inventor y científico conocido por ser el pionero en el desarrollo del teléfono, un invento que revolucionó las comunicaciones en todo el mundo. Bell era hijo y nieto de profesores de elocución, y desde joven mostró un gran interés por la ciencia y la ...

  3. 19 de oct. de 2018 · A senior official in the patent office, Ellis Spear, dismissed the ‘interference’ between Gray’s and Bell’s applications. On 7 March 1876, Bell was granted US patent 174465A, for a method of transmitting speech by telegraphy—the telephone. The decision has been disputed by scholars ever since, although a 2020 paper by Benjamin Lathrop ...

  4. 24 de nov. de 2009 · On March 7, 1876, 29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father, Melville Bell ...

  5. Graham Bell lo patentó el 7 de marzo de 1876, en Washington, con la patente nº 174.465, la cual dicta que «el método y el aparato para transmitir los sonidos vocales u otros sonidos telegráficamente … causando ondulaciones eléctricas similares en forma a las vibraciones del aire que acompaña a dicho sonido vocal u otro sonido.».

  6. Alexander Graham Bell 3 tháng 3 năm 1847 Edinburgh, Scotland: Mất: 2 tháng 8 năm 1922 (75 tuổi) ... The Telephone Patent Conspiracy of 1876: The Elisha Gray - Alexander Bell Controversy. Jefferson, North Carolina: McFarland Publishing, 2000. ISBN 0-7864-0883-9. Gray, Charlotte.

  7. Bell's telephone patent beat that of American Elisha Gray, whose own device worked on similar principles. Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born inventor, scientist, and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT ...