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Although Edison was awarded the first patent in mid-1877, Hughes had demonstrated his working device in front of many witnesses some years earlier, and most historians credit him with its invention. Thomas Alva Edison took the next step in improving the telephone with his invention in 1878 of the carbon grain "transmitter" (microphone) that ...
Edison credited him as the "first inventor of the telephone". [12] The Italian inventor and businessman Antonio Meucci has been recognized by the U.S. House of Representatives for his contributory work on the telephone. [13] Several other controversies also surround the question of priority of invention for the telephone.
This timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone. Charles Bourseul Johann Philipp Reis Elisha Gray Thomas Edison Alexander Graham Bell Thomas Augustus Watson Tivadar Puskás Emile Berliner Charles Sumner Tainter Theodore Newton Vail
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. [ 1 ] [ 2 ] [ 3 ] He developed many devices in fields such as electric power generation , mass communication , sound recording , and motion pictures. [ 4 ]
Edison is credited for contributing to various inventions, including the phonograph, the kinetoscope, the dictaphone, the electric lamp (in particular the incandescent light bulb), and the autographic printer. He also greatly improved the telephone by inventing the carbon microphone. Most of these inventions were not completely original but ...
Baldwin was on the payroll of the Bell Telephone Company at the same time he was representing Gray in a patent office action involving the Bell company. [36] [37] Gray did not tell anybody about his new invention for transmitting voice sounds until Friday, February 11, 1876 when Gray requested that Baldwin prepare a caveat for filing. Sometime ...
A photo of the original purchase order from Thomas Edison to Corning for the glass encasement for Edison’s lightbulb in 1880. CEO Wendell Weeks keeps the purchase order framed in his office as a ...
Thomas Augustus Watson (January 18, 1854 – December 13, 1934) was an assistant to Alexander Graham Bell, notably in the invention of the telephone in 1876.